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| Post-doctoral position in theoretical HE multi-messenger astrophysics | Closing date: 2026-03-01
Contact: Martin Lemoine |
| We are pleased to invite applications for a post-doctoral fellowship at APC (Astroparticule & Cosmologie, CNRS - Université Paris-Cité), starting in the Fall of 2026 (2+1 years). The post-doctoral fellow will conduct high-performance GR-MHD numerical simulations of accreting supermassive black holes to investigate particle acceleration in these extreme environments and extract multi-messenger signatures. | | ▸ more | We are pleased to invite applications for a post-doctoral fellowship in theoretical high-energy multimessenger astrophysics at APC (Astroparticule & Cosmologie, CNRS - Université Paris-Cité). The preferred start date for this position is Fall 2026, with an initial appointment of two years and the possibility of renewal for up to three years. This fellowship is part of the ANR-funded HENBoS (High-Energy Neutrinos from Black Hole Systems) project, which seeks to characterise with unprecedented accuracy massive black hole systems as cosmic accelerators and sources of very high-energy photons, cosmic rays and neutrinos.
Interested applicants are invited to submit a CV (including a publication list and research achievements) and a research statement highlighting how the project aligns with the candidate's career goals via the platform:
https://emploi.cnrs.fr/Offres/CDD/UMR7164-KEVVEL-049/Default.aspx?lang=EN
Applications will be reviewed on a rolling basis until the position is filled.
The post-doctoral fellow will conduct high-performance GR-MHD numerical simulations of accreting supermassive black holes using the latest version of the GRAMRVAC code, developed in-house. The primary focus of these simulations will be on identifying and investigating the particle acceleration processes in these extreme environments. To this effect, the post-doctoral fellow will contribute to the development and application of the hybrid simulation code mPIC-GRAVAC in general relativity. This code integrates a magnetohydrodynamic (MHD) description of the thermal plasma with a Particle-In-Cell (PIC) modelling of supra-thermal particles, enabling cutting-edge simulations of the immediate vicinity of supermassive black holes. These simulations constitute the core task of the HENBoS project and will be complemented by theoretical studies to establish definitive predictions for multimessenger emission.
We are seeking highly motivated individuals with robust expertise in computational plasma astrophysics (MHD, GRMHD or PIC) and post-PhD research experience. The ability to work effectively in a collaborative team environment is essential.
The HENBoS project, led by Martin Lemoine, brings together a team of experts in multimessenger theory, GR-MHD simulations, and VHE multimessenger data analysis. The post-doctoral fellow will collaborate closely with Fabien Casse and Peggy Varnière, developers of the mPIC-GRAVAC code, and will have the opportunity to engage with other project collaborators. APC is a vibrant research unit of CNRS and Université Paris-Cité, actively involved in major experimental and theoretical projects in cosmology, multi-messenger astrophysics, and particle physics. The post-doctoral fellow will have access to excellent computing facilities, including a local cluster and national supercomputing centres.
The salary is determined by the administrative rules of French civil service. It ranges from 37k euros to 42k euros per year (gross, pre-tax), depending on the applicant's experience. Benefits include health insurance, 44 days of annual leave, subsidies for meals and public transportation, and the option for remote work (up to two days per week). A specific travel allowance is also provided. CNRS is committed to fostering diversity and inclusion in the workplace.
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| Short-term postdoctoral research in evolution of planetary systems in Hawaii | Closing date: 2026-03-01
Contact: Eric Gaidos |
| A one-year appointment as a postdoctoral assistant researcher in evolution of planetary systems is available at the University of Hawaii at Manoa. The successful applicant will be expected to carry out research within the area of evolving exoplanets and their host stars in collaboration with the colleagues at the Department of Earth Sciences and Institute for Astronomy. | | ▸ more | A one-year appointment as a postdoctoral assistant researcher in evolution of planetary systems is available at the University of Hawaii at Manoa. The successful applicant will be expected to carry out research within the area of evolving exoplanets and their host stars in collaboration with the colleagues at the Department of Earth Sciences and Institute for Astronomy. They will conduct research on one or a combination of the following: gyrochronology of very low-mass stars; observations of inflated and escaping atmospheres of sub-Neptunes; demographics of sub-Neptune exoplanets, particularly young or temperate objects. The successful applicant will disseminate their research findings as a presentation at a scientific conference and as one or more publications in peer-reviewed journals, as appropriate. The successful applicant would have access to all of the telescopes on Maunakea (https://www.maunakeaobservatories.org/) through the University of Hawaii time allocation committee and dedicated computing resources on the Koa cluster (https://datascience.hawaii.edu/about-koa/). The Institute for Astronomy is also a Science Collaboration Institution of the Las Cumbres Observatory Global Telescope (https://lco.global/). The starting date is June 1, 2026 and the appointment ends on May 31 2027. Renewal of the appointment will depend on availability of funds and satisfactory performance. Benefits include a salary commensurate with experience (up to $90,000 annual) plus full benefits, and mentoring on proposal writing, research organization, student supervision, and instruction. Applications must have a PhD in astronomy, astrophysics, or planetary sciences, and have excellent command of written and spoken English. The successful applicant will be granted PI status, have the ability to write grant proposals, and join a Hawaii-based team in the multi-institutional Interdisciplinary Consortium for Astrobiology Research (https://astrobiology.science.ucsc.edu/icar/). Prospective candidates should apply at https://www.rcuh.com/opportunities/job-openings/
for position ID #226054. Applications received by March 1 will receive full consideration. For any inquiries contact Eric Gaidos at gaidos @ hawaii.edu
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| PhD Research Fellow in Extragalactic Astrophysics | Closing date: 2026-03-01
Contact: Sijing Shen |
| We invite applications for a 3-year PhD Position in extragalactic astrophysics at University of Oslo, with starting date no later than October 1, 2026. | | ▸ more | The present position is for a Ph.D. Fellow to join the Extragalactic Astrophysics group and do a thesis project supervised by Prof. Sijing Shen. The research work will be focused on numerical galaxy formation and the interactions between galaxies and their environment. In particular, the successful candidate will be involved in the ESA ARRAKIHS satellite mission with the main goal of understanding the impact of dark matter models and baryonic processes in faint substructures (e.g., dwarf satellites and stellar tidal streams) around disk galaxies.
The successful candidate will design, perform and analyse idealized and cosmological hydrodynamical galaxy formation simulations, develop or improve models for important physical processes which impact galaxy evolution, such as dark matter models, gas accretion, star formation, black hole formation and evolution, and radiative or mechanical feedback from stars and active galactic nuclei. The successful candidate will also post-processing large sets of simulation data and make detailed comparison with multi-wavelength observations of the stellar and gaseous components. The successful candidate will have ample opportunities to collaborate with both simulators and observers worldwide and travel for conferences and collaborative visits.
The applicant should have a M.Sc. degree or equivalent in astronomy, cosmology, physics, or a related topic. Previous experience on astrophysical hydrodynamic simulations and/or high-performance computing will be considered as an asset.
More details and the application link can be found here: https://www.jobbnorge.no/en/available-jobs/job/294727/phd-research-fellow-in-extragalactic-astrophysics
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| Summer 2026 postdoctoral position at the University of Hawaii | Closing date: 2026-03-11
Contact: Eric Gaidos |
| A position as a three-month summer casual hire at the postdoctoral level at the University of Hawaii at Manoa is now open for applications. The employment period will be June-August 2026 and cannot be extended. Applicants must have a PhD in astronomy, astrophysics, planetary science, or a closely related area by the time of employment. The successful applicant will be based at the Institute for Astronomy and spend 50% of their effort on co-directing a summer visitor workshop on Exploring Planetary Systems in the Era of Time-domain Astronomy and 50% of their effort on their own research. | | ▸ more | A position as a three-month summer casual hire at the postdoctoral level at the University of Hawaii at Manoa is now open for applications. The employment period will be June-August 2026 and cannot be extended. Applicants must have a PhD in astronomy, astrophysics, planetary science, or a closely related area by the time of employment. The successful applicant will be based at the Institute for Astronomy and spend 50% of their effort on co-directing a summer visitor workshop on Exploring Planetary Systems in the Era of Time-domain Astronomy and 50% of their effort on their own research. Applications are accepted on a rolling basis until the position is filled, but no later than March 11, 2026. Apply here: https://tinyurl.com/3vfna4r6
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| Exploring trends in rocky planets observed with JWST | Closing date: 2026-03-13
Contact: Elsa Ducrot |
| We invite applications for a fully funded 3-year PhD position in JWST observations and atmospheric modeling of rocky exoplanets, based in Paris (CEA and LMD). The anticipated start date is October 1, 2026. | | ▸ more | Context: The James Webb Space Telescope (JWST) has transformed exoplanet science. A key objective is the first characterization of temperate rocky exoplanet atmospheres, highlighted by the 500-hour 2024 Director's Discretionary program Rocky Worlds (NASA, STScl). The most accessible targets orbit M-type stars, the most common stars in the Galaxy, and currently offer the best opportunity to detect and characterize rocky exoplanet atmospheres and, eventually, biosignatures. However, JWST/MIRI secondary-eclipse and phase-curve analyses rely on heterogeneous tools, limiting cross-comparison and introducing biases that hinder population-level studies. A homogeneous analysis framework is therefore essential to derive robust trends and assess whether these planets can retain atmospheres.
Objectives of the PhD: The main objectives are to: 1) analyse all available public JWST/MIRI eclipse data for rocky exoplanets using a consistent framework; and 2) search for population-level trends and interpret them with 3D atmospheric simulations. Combining observations and models, the candidate will identify global trends (atmospheric presence, albedo, heat transport), relate them to key parameters (stellar flux, surface gravity, stellar type), and provide a coherent physical interpretation of the data.
Supervision: The project is co-supervised by Elsa Ducrot & Pierre-Olivier Lagage at CEA for JWST/MIRI data analysis, and Martin Turbet at Laboratore de Metéorologie Dynamique (LMD) for 3D climate modeling. In the first part, the candidate will work mainly at CEA Saclay (1-2 days/week at LMD), then primarily at LMD in the second part (1-2 days/week at CEA).
Research Environment: The PhD student will benefit from a vibrant national and international network bridging observations and modeling, including Observatoire de Paris, Bordeaux Astrophysics Laboratory (LAB), NASA STScl, University of Liège, University of Geneva, NASA GSFC, and University of Montreal.
Qualifications: The ideal candidate should hold a Master's degree in astrophysics, planetary science, or physics; have a strong interest in exoplanets, solid programming skills (Python or equivalent), and the ability to work collaboratively in interdisciplinary, international teams. The candidate must have good spoken and written English.
Compensation and Benefits:
- 2400 euros gross salary
- Opportunity to teach as a monitor with additional pay
- Full coverage Health insurance
- Possibility of remote work (2 days a week with compensation)
- 28 days of vacation and 23 days of RTT (Reduction of working time, 11 on fixed dates and 12 of your choice). These numbers do not include public holidays.
- 75% of the cost covered for Paris area public transport and a sustainable mobility allowance of up to 300 euros
- Scheduling flexibility
- Meal subsidy in the cafeteria
- Disability Insurance
- Childcare support
- AfterWork activities support
Application Instructions: Applicants should submit their application by email to elsa.ducrot @ cea.fr, martin.turbet @ lmd.ipsl.fr and pierre-olivier.lagage @ cea.fr
Applications must be submitted by March 13, 2026, as a single PDF named in the format lastname_firstname.pdf, and must include:
- A motivation letter
- A curriculum vitae (CV)
- Master's grades to date (if still in progress) and diploma (if already obtained)
- The names and email addresses of two references who may be contacted for recommendation
Application Deadline : March 13, 2026
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| PhD position on radiative-transfer modelling of strongly-lensed supernovae in Marseille, France | Closing date: 2026-03-13
Contact: Stéphane Blondin |
We are looking for a highly-motivated PhD student as part of the recently-awarded international French-German grant "SuperEarly: Constraining Supernova Progenitors through Strong Lensing in the Rubin LSST Era", and whose main task will be to carry out radiative-transfer modelling of supernovae, to compare the predicted light curves and spectra with actual observations of lensed SNe to be discovered by Rubin/LSST.
Starting date: September 2026
Duration: 3 years (fully funded)
Salary: 2300 EUR / month (gross) + employee benefits
Application deadline: 13th March 2026 | | ▸ more | A strongly lensed SN offers a unique opportunity to access the first hours/days of its evolution, providing key information on the progenitor and explosion mechanism. The upcoming Vera Rubin Observatory will discover more than 100 lensed SNe of all types during its ten-year Legacy Survey of Space and Time (LSST). Our three-year project will allow us to obtain the earliest rest-frame UV observations of SNe ever made. Our complementary expertise in deep-learning classification, lens and SN modelling, combined with our access to LSST data and follow-up facilities, will yield unprecedented constraints on the progenitors of all types of SNe shortly after they explode.
Our project is inherently interdisciplinary as it relies on the combination of machine-learning algorithms, astronomical observations, and numerical simulations, to reach our targeted goal of constraining supernova progenitors. These various tasks will be distributed among the French and German partners. The PhD student at LAM will focus on radiative-transfer modelling of supernovae. We will compute synthetic spectra and light curves of various supernova types at early times, to compare with the observations of lensed SNe to be discovered by Rubin/LSST. We will use the radiative-transfer code CMFGEN to post-process previously published explosion models, e.g., such as those available for SNe Ia on the HESMA archive (https://hesma.h-its.org). We will also carry out an extensive exploration of the predicted observable properties of existing radiative-transfer simulations computed by our group and available on the Zenodo repository (https://zenodo.org/communities/snrt/).
Our proposed project builds upon the results from the HOLISMOKES program (http://www.holismokes.org/) that was funded by the European Research Council until May 2024. The PI of that program, Sherry Suyu (TUM/MPA), is also part of the project team. At LAM, in addition to the supervisor J.-C. Bouret, the PhD student will also work closely with postdoc Raoul Cañameras (expert on deep-learning algorithms to search for lensed supernovae) and an additional postdoc to be recruited for this project. There will be regular collaboration visits (twice per year) to our German collaborators on the Garching campus near Munich, Germany. There would also be a possibility for the student to spend part of their PhD (up to 1-2 years, TBD) at the European Southern Observatory (ESO) on the same campus, where the co-supervisor S. Blondin is also located. The PhD student will benefit from full data access rights to the Rubin/LSST project.
Keywords: Supernovae - Gravitational lensing - Radiative transfer - Deep learning - Transient surveys
Application details:
Applications should include:
- CV + cover letter
- Copies of diplomas
- Transcripts and ranking in Master's degree
Applications should be sent in PDF format to jean-claude.bouret @ lam.fr and stephane.blondin @ lam.fr by 13th March 2026. Interviews of shortlisted candidates will take place shortly thereafter.
Two letters of recommendation (internship supervisor, Master Program Director, etc.) should also be sent to the same email addresses by the application deadline.
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| Postdoctoral position on modeling magnetic topologies of M dwarfs at IRAP / Toulouse France | Closing date: 2026-03-15
Contact: Jean-Francois Donati |
| We invite applications for a 2-3yr postdoc position on modeling magnetic fields of M dwarfs at the Institut de Recherche en Astrophysique et Planétologie (IRAP) located in Toulouse, France, within the SPIRou science consortium coordinated by Drs JF Donati and C Moutou in Toulouse. | | ▸ more | This project aims at modeling the evolving magnetic topologies of M dwarfs, monitored with the SPIRou near-infrared spectropolarimeter at the Canada-France-Hawaii Telescope since 2019 in the framework of the SPIRou Large Programs. More specifically, the goal is to exploit an advanced version of Zeeman-Doppler imaging incorporating temporal evolution, to the existing and future SPIRou data collected for a few tens of M dwarfs of various masses, to infer fresh constraints on the dynamo processes operating in largely and fully convective stars. The work will take place at IRAP with Drs JF Donati and C Moutou, starting Q2 2026.
In addition to a PhD in astrophysics, the candidates must have a solid background in stellar magnetic fields and spectropolarimetry, to efficiently analyse data sets collected with SPIRou using the tomographic technique of Zeeman-Doppler imaging, and to reconstruct the parent magnetic topology at the surface of the star. Experience in velocimetry is also welcome.
The candidates should provide the following documents (PDF only, accessible via a file server) by 2026 March 15 :
* a motivation letter (max 2 pages),
* a description of past and current research statements (max 5 pages),
* a CV (max 2 pages)
* a publication list,
* 3 reference letters to be sent directly by the mentors (same deadline)
to Drs JF Donati (jean-francois.donati @ irap.omp.eu) and C Moutou (claire.moutou @ irap.omp.eu). Short-listed candidates will be invited for an on-line interview ~2 weeks after the deadline.
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| PhD position in computational astrochemistry at University College Dublin | Closing date: 2026-03-15
Contact: Marie Van de Sande |
| We invite applications for a PhD position in computational astrochemistry at the School of Physics at University College Dublin, Ireland. You will work with Dr Marie Van de Sande on the ERC Starting Grant ASHES on dust formation in the outflows of asymptotic giant branch (AGB) stars. | | ▸ more | Most stars will go through an AGB phase near the end of their lives, losing their outer layers by means of a stellar outflow and enriching the interstellar medium (ISM) with the building blocks for the next generation of stars and planets. This outflow is driven by dust formation. Despite the importance of dust, we still do not know exactly how it is formed.
You will extend a large chemical reaction network to include dust nucleation, using the results of quantum chemical calculations, and calculate the first 1D bottom-up dust growth models. As a next step, you will create 3D chemical models by post-processing hydrodynamical models, helping to close the gap between theory and observations. As part of the ERC Starting Grant ASHES, there are ample opportunities for attending conferences, workshops, and research stays.
This project would be suitable for a student with a degree in chemistry, physics or astronomy who wants to build on their skills in coding (python and Fortran), data analysis and visualisation, and would like to work in chemical kinetics modelling.
Application instructions
Applications should include a CV (including personal data, education, skills, and expertise), a one-page motivation letter, and the names and contact details of two references. Please send the documents to mvdsande @ strw.leidenuniv.nl before 15 March 2026.
Inquiries
If you have any questions, contact Dr Marie Van de Sande at mvdsande @ strw.leidenuniv.nl
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| Postdoc in Evolved Star Science | Closing date: 2026-03-20
Contact: Wouter Vlemmings |
| We are seeking up to two postdocs to join our research team that focusses on many aspects of the study of evolved stars on the asymptotic giant branch (AGB) and/or in the red supergiant (RSG) phase. The research team is part of the vibrant astronomy research environment encompassing Chalmers' divisions for Astronomy and plasma physics and the Onsala Space Observatory. | | ▸ more | About the research project?
The postdocs will conduct research in one or more topics of focus of the evolved star group: 1) the extended atmospheres, 2) the wind-ISM interaction regions (including hydrodynamical modeling), 3) circumstellar magnetic fields, 4) circumstellar chemistry, 5) dust (formation), 6) (binary) post-AGB stars and/or 7) the mass-loss process. In consultation with the group leaders, the research can be tailored to the successful candidate?s skill and interest. In our studies, we combine novel observational data with advanced analysis and modelling technique.
Who we are looking for
The following requirements are mandatory:
- A doctoral degree or an equivalent foreign degree in physics, astronomy, or a relevant topic. This eligibility requirement must be met no later than the time the employment decision is made.
- Strong written and verbal communication skills in English.
- Experience in the fields AGB and/or RSG studies, including e.g. observations or theory of dust formation, circumstellar chemistry, mass loss processes or hydrodynamics modeling.
- Demonstrated experience with relevant observational techniques, programming, and/or numerical modelling tools or related areas.
- Both team working skills as well as the ability to work independently.
What you will do
- Taking a leading role in project(s) related to one of the aforementioned areas, in collaboration with the group leaders.
- Contributing to the further development of the projects and its scientific direction based on one's own expertise and interests.
- Interacting with the research group members and the scientific environment at the AoP division.
- Supervise master?s and/or PhD students to a certain extent.
Contract terms
The position is a temporary full-time employment for two years with the possibility of a one-year extension.
The position requires residence in Sweden throughout the entire employment. A valid residence permit must be presented by the start date, otherwise the offer may be withdrawn.
Application procedure
The application should be written in English and include:
CV
- A comprehensive CV (max 2 pages), and a complete list of publications.
Details of previous research, supervision, and pedagogical experience.
- Personal letter: A brief introduction about yourself.
- A summary of your previous research fields and key research outcomes (max 2 pages).
- An outline of your future goals and research focus (max 1 page).
We welcome your application no later than March 20, 2026.
For questions, please contact:
Wouter Vlemmings, Theo Khouri, Elvire De Beck and/or Matthias Maercker
(Contact details via the link below).
Applications should be made via the link at the following website:
https://www.chalmers.se/en/about-chalmers/work-with-us/vacancies/?rmpage=job&rmjob=14588&rmlang=UK
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| Postdoc position in solar physics at Hvar Observatory, Zagreb, Croatia | Closing date: 2026-03-23
Contact: Davor Sudar |
| The Solar Physics Group at Hvar Observatory, Faculty of Geodesy, University of Zagreb invites applications for a postdoctoral research position in solar physics within the framework of an ongoing HRZZ-funded project focused on solar activity and sunspot analysis. | | ▸ more | | The successful candidate will contribute to research on solar surface activity, including analysis and interpretation of sunspot data and related observational material, and will collaborate closely with members of our group and international partners. Hvar Observatory has a long tradition of solar observations and maintains numerous international collaborations, providing an active and well-connected research environment. The position is full-time and fixed-term (until 30 November 2027), with details of the contract, eligibility criteria, and required application materials available on the official EURAXESS portal https://euraxess.ec.europa.eu/jobs/411983). Interested candidates are encouraged to apply via EURAXESS; informal inquiries may, but are not required to, be directed to dsudar @ geof.hr.
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| ALMA Regional Centre Scientist | Closing date: 2026-03-25
Contact: Evelina Dietmann |
| The ALMA Regional Centre (ARC) department at ESO provides the interface between the European ALMA Users Community and the ALMA observatory in Chile. In coordination with the ARCs in the other ALMA partner regions, the ARC at ESO promotes and provides support of the highest standards to the ALMA user community and to ALMA observatory global operations. | | ▸ more | The ESO ARC provides important services for the development and operation of ALMA, including software development and testing, Call for Proposals and observation preparations, participation in observing shifts at the ALMA observatory, delivery of quality-assured data products for principal investigators and archive users, and optimisation of capabilities. ALMA is currently undergoing an ambitious upgrade - the Wideband Sensitivity Upgrade (WSU) - and the ARC is heavily involved in the planning, investigations, and preparatory activities required for the transition to WSU operations.
The ARC at ESO is looking for a scientist to help with core ARC duties, particularly the preparation of observations, as well as tasks leading to the optimization of science operations. These core duties are carried out in coordination with colleagues at the ESO ARC, the European ARC network, and the other ALMA partners.
Main Duties and Responsibilities:
-Play a key role in the preparation of ALMA observations; this task includes, but is not limited to, preparing Scheduling Blocks (SBs) for approved ALMA observations, including those for modes that require extra considerations such as Total Power, Full Polarization, Solar, Target of Opportunity and time constrained observations.
-Contribute to the optimisation of the observation preparation process.
-Perform general ARC duties, including answering Helpdesk tickets, contributing to testing of tools and playing a proactive role in the improvement of user documentation.
-Undertake Astronomer-on-Duty shifts in Chile.
-Constructively work together with other ARC staff and ALMA operations staff around the globe.
-Conduct astronomical research for up to 20% of the time.
-The tasks are not limited to the above and a flexible approach and willingness and capability to adapt is required.
Reports to:
The post holder reports to the Head of the ALMA Regional Centre (ARC) Department. The ARC is a department of currently 13 highly skilled and motivated staff and is part of the ESO ALMA Support Centre (EASC) division.
Key Competences and Experience:
Essential Competences and Experience
-Practical experience with astronomical observations, not necessarily radio interferometry.
-Excellent cross-disciplinary communication skills, both oral and written.
-Demonstrated ability to work effectively in a team, have an eagerness to contribute to team performance, and a positive approach toward building links across teams in an international multi-cultural environment.
-Good critical thinking and problem-solving skills, demonstrated by a pro-active approach to contribute ideas for improvement and future developments.
-Flexibility in adapting to changes of requirements and priorities as well as of assignments.
-Good time management and prioritisation skills.
-Open and friendly attitude to interact with a variety of users.
Desirable Competences and Experience
-Working knowledge of radio interferometric astronomical observations, including common calibration steps.
Qualifications:
Essential educational level: PhD in Astronomy, Physics or equivalent.
Language skills:
Excellent working knowledge of English.
Application:
If you are interested in working in areas of frontline technology and in a stimulating international environment, please visit http://www.eso.org and https://www.almaobservatory.org/en/home/ for further details.
Apply online at http://jobs.eso.org/. Applications must be completed in English and should include a motivation letter, CV containing a publication list and a research statement. You should also provide the names and contact details of three referees familiar with your work and willing to provide a reference letter. Referees will be automatically invited to submit their letter, however, applicants are strongly advised to trigger these invitations (using the web application form) well in advance of the application deadline.
Deadline for applications is 25 March 2026.
Interviews are expected to start soon after this date.
Please see https://recruitment.eso.org/jobs/2026_0014 for more information.
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| ALMA Regional Centre Scientist | Closing date: 2026-03-25
Contact: Evelina Dietmann |
| The ALMA Regional Centre (ARC) department at ESO provides the interface between the European ALMA Users Community and the ALMA observatory in Chile. In coordination with the ARCs in the other ALMA partner regions, the ARC at ESO promotes and provides support of the highest standards to the ALMA user community and to ALMA observatory global operations. | | ▸ more | The ESO ARC provides important services for the development and operation of ALMA, including software development and testing, Call for Proposals and observation preparations, participation in observing shifts at the ALMA observatory, delivery of quality-assured data products for principal investigators and archive users, and optimisation of capabilities. ALMA is currently undergoing an ambitious upgrade - the Wideband Sensitivity Upgrade (WSU) - and the ARC is heavily involved in the planning, investigations, and preparatory activities required for the transition to WSU operations.
The ARC at ESO is looking for a scientist to help with core ARC duties, particularly the preparation of observations, as well as tasks leading to the optimization of science operations. These core duties are carried out in coordination with colleagues at the ESO ARC, the European ARC network, and the other ALMA partners.
Main Duties and Responsibilities:
-Play a key role in the preparation of ALMA observations; this task includes, but is not limited to, preparing Scheduling Blocks (SBs) for approved ALMA observations, including those for modes that require extra considerations such as Total Power, Full Polarization, Solar, Target of Opportunity and time constrained observations.
-Contribute to the optimisation of the observation preparation process.
-Perform general ARC duties, including answering Helpdesk tickets, contributing to testing of tools and playing a proactive role in the improvement of user documentation.
-Undertake Astronomer-on-Duty shifts in Chile.
-Constructively work together with other ARC staff and ALMA operations staff around the globe.
-Conduct astronomical research for up to 20% of the time.
-The tasks are not limited to the above and a flexible approach and willingness and capability to adapt is required.
Reports to:
The post holder reports to the Head of the ALMA Regional Centre (ARC) Department. The ARC is a department of currently 13 highly skilled and motivated staff and is part of the ESO ALMA Support Centre (EASC) division.
Key Competences and Experience:
Essential Competences and Experience
-Practical experience with astronomical observations, not necessarily radio interferometry.
-Excellent cross-disciplinary communication skills, both oral and written.
-Demonstrated ability to work effectively in a team, have an eagerness to contribute to team performance, and a positive approach toward building links across teams in an international multi-cultural environment.
-Good critical thinking and problem-solving skills, demonstrated by a pro-active approach to contribute ideas for improvement and future developments.
-Flexibility in adapting to changes of requirements and priorities as well as of assignments.
-Good time management and prioritisation skills.
-Open and friendly attitude to interact with a variety of users.
Desirable Competences and Experience
-Working knowledge of radio interferometric astronomical observations, including common calibration steps.
Qualifications:
Essential educational level: PhD in Astronomy, Physics or equivalent.
Language skills:
Excellent working knowledge of English.
Application:
If you are interested in working in areas of frontline technology and in a stimulating international environment, please visit http://www.eso.org and https://www.almaobservatory.org/en/home/ for further details.
Apply online at http://jobs.eso.org/. Applications must be completed in English and should include a motivation letter, CV containing a publication list and a research statement. You should also provide the names and contact details of three referees familiar with your work and willing to provide a reference letter. Referees will be automatically invited to submit their letter, however, applicants are strongly advised to trigger these invitations (using the web application form) well in advance of the application deadline.
Deadline for applications is 25 March 2026.
Interviews are expected to start soon after this date.
Please see https://recruitment.eso.org/jobs/2026_0014 for more information.
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| Post-doctoral position in neutron stars astrophysics at IRAP (Toulouse, France) | Closing date: 2026-03-31
Contact: Sebastien Guillot |
The Institute for Research in Astrophysics and Planetology (IRAP) in Toulouse (France) invites applications for a postdoctoral position to work on neutron star modelling and observations funded by the French National Research Agency (Agence Nationale de la Recherche) through the DENSeR project. The application deadline is March 31st.
All details for the position and application procedure are below and are also available here:
http://userpages.irap.omp.eu/~sguillot/files/PostDoc_JobAnnoucement_ANR_DENSeR.pdf | | ▸ more | Context
Neutron stars, the dense remnants of the core-collapse of massive stars, are unique laboratories to study the strong force in physics. With the densities attained inside neutron stars (beyond the density of atomic nuclei), astrophysicists can study the composition and behaviour of stable states of dense matter and constrain nuclear physics theory. This also opens up the possibility of exploring strange or exotic states of matter, which may only exist inside neutron stars. To do so requires measuring their masses and radii, the macroscopic properties that are linked to the interior pressure and density of neutron stars via an equation of state. One promising method to do so arose from the analysis of the X-ray pulse profile of millisecond pulsars obtained from the NICER X-ray telescope. By exploiting the effects of general relativity on the trajectory of photons leaving the NS surface, one can determine the neutron star compactness (and therefore the mass and radius) from the modelling of the X-ray pulse profile. However, current measurements have relied on a number of assumptions that can potentially bias the inferred masses and radii. Several avenues are being studied to improve the reliability of these measurements, in particular those made with the software X-PSI (X-ray Pulse and Simulation and Inference, ...).
Activities
The successful candidate will be leading some work packages of the ANR DENSeR, notably regarding the modelling of the neutron star surface emission regions to compare to X-ray observational data. The optimisation of the existing models (in X-PSI) will be necessary, as well as the inclusion of GPU and/or Machine Learning capabilities for the simulation and inference. These improvements of the neutron star surface emission modelling will be quantified with actual data (from the NICER telescope) and with simulated data from upcoming instruments (such as NewAthena). Part of this work will be done in collaboration with researchers at the University of Amsterdam and at the University of Helsinki (Finland).
Some time for the successful candidate's own research should also be possible. The research interests of the group include neutron stars, X-ray binaries, Ultra Luminous X-ray sources (ULXs), gamma-ray bursts and merging compact objects, including massive black hole binaries.
Profile
The applicant should have a PhD in Astrophysics (or closely related fields), ideally with experience in X-ray and/or neutron star astrophysics. The ability to work collaboratively and within an interdisciplinary framework will be a crucial element in the application assessment. A very good level of written and spoken English is expected as this work will be done in the context of an international collaboration. The applicants should have knowledge of Python programming, and knowledge of C/C++ (or Cython) would be advantageous. Additionally, some experience with the modelling of neutron stars, or GPU, or Machine Learning could be appreciated.
Position description
The position is for a full-time commitment, with an initial contract for one year, renewable once, and with a negotiable start date in October 2026.
Compensation will be commensurate with experience, with gross monthly salary ranging between ?2800 and ?3900. The position includes full access to the French healthcare and welfare system (medical and dental, sick leave, parental leave, family allowances for children, pension and unemployment benefits).
Additional funding for conferences, collaboration, and personal equipment is available through the DENSeR project or other sources of funding at IRAP.
The IRAP offices are part of a Restricted Area Regime (ZRR ? Zone à Régime Restrictif). After the selection procedure, this access authorisation (to be granted by the competent authorities) will be required to establish the work contract.
Application procedure
Applicants should deposit a single PDF file by the deadline of March 31st, on the following webpage: https://sdrive.cnrs.fr/s/iSda6xDoR28KHPi
The application file should include, in order:
- A brief cover letter (1 page)
- A curriculum vitae (maximum 2 pages)
- A list of publications, conference presentations, etc. (no page limit)
- A personal and research statement (see details below)
The personal and research statement should present the applicant's research experience, research interests, and outline their motivation to work with us at IRAP. The maximum is 4 pages, but shorter statements (1-2 pages) will be assessed depending on the level of experience of the applicant.
Reference letters
In order to not burden reference letter writers with an excessive load, we only ask, at this stage, for names, positions, email addresses and telephone numbers of three referees/colleagues who have agreed to write reference letters. These will only be requested from short-listed candidates.
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| 2+1 year postdoctoral position on detection of strongly-lensed supernovae in Rubin/LSST data in Marseille, France | Closing date: 2026-03-31
Contact: Stéphane Blondin |
The Laboratoire d'Astrophysique de Marseille (LAM) invites applications for a postdoctoral research associate position focused on the search of lensed supernovae with Rubin/LSST. The successful candidate will join the international French-German project "SuperEarly: Constraining Supernova Progenitors through Strong Lensing in the Rubin LSST Era".
- Starting date: September 2026
- Duration: 2 years initially + possible 1 year extension (fully funded)
- Salary range (depending on experience): 3130-4340 EUR / month (gross) + employee benefits
- Application deadline: 31st March 2026 | | ▸ more | *** Project background and description ***
A strongly lensed SN offers a unique opportunity to access the first hours/days of its evolution, providing key information on the progenitor and explosion mechanism. The Vera Rubin Observatory is expected to discover more than 100 lensed SNe of all types during its ten-year Legacy Survey of Space and Time (LSST). Our three-year project SuperEarly will allow us to obtain the earliest rest-frame UV observations of SNe ever made. Our complementary expertise in deep-learning classification, lens and SN modelling, combined with our access to LSST data and follow-up facilities, will yield unprecedented constraints on the progenitors of all types of SNe shortly after they explode.
The main task will be to lead the development of advanced deep-learning methods to discover the rare gravitationally lensed supernovae in Rubin/LSST data. This work will be done with the support from the machine learning division of the LAM data centre. The candidate will also contribute to the observational follow-up of confirmed lensed SNe, and to the comparison with synthetic spectra and light curves of SNe at early phases. The resulting catalog of static gravitational lenses, and the candidate and confirmed lensed SNe will be key for the overall project on constraining SN progenitors and will have a value for the overall community.
Our proposed project builds upon the results from the HOLISMOKES program (http://www.holismokes.org/) that was funded by the European Research Council until May 2024. The PI of that program, Sherry Suyu (TUM/MPA, Germany), is also part of the project team. At LAM, in addition to the project co-PI J.-C. Bouret, the postdoc will also work closely with postdoc Raoul Cañameras (expert on deep-learning algorithms to search for lensed supernovae) and a PhD student to be recruited for this project. There will be regular collaboration visits (twice per year) to our German collaborators on the Garching campus near Munich, Germany. There would also be a possibility for more extended visits (up to 1 year, TBD) at the European Southern Observatory (ESO) on the same campus, where the co-PI S. Blondin is also located. The postdoc will benefit from full data access rights to the Rubin/LSST project.
Keywords: Supernovae ? Gravitational lensing ? Radiative transfer ? Deep learning ? Transient surveys
*** Work Environment ***
The Laboratoire d'Astrophysique de Marseille (LAM, https://www.lam.fr) is a multidisciplinary research institute jointly funded by CNRS (the French National Research Center), CNES (the French Space Agency), and Aix-Marseille University (amU). At LAM, the successful candidate will join the GECO (Galaxies, Stars, and Cosmology) team, which comprises approximately 60 members, about half of whom are PhD students and postdoctoral researchers. A significant fraction of the team comes from outside France. Within GECO, a rapidly growing Transients subgroup brings together researchers working on gamma-ray bursts (GRBs; progenitors and host galaxies), fast radio bursts (FRBs), black holes, and related topics.
*** Requirements ***
Applicants should:
- Hold a PhD in Astronomy or Astrophysics by June 2026
- Have experience in Machine Learning and Deep Learning techniques
- Possess computing skills and/or observational experience
Experience with Supernovae, GRBs and other peculiar transients will be particularly valued. Teaching experience, student supervision are considered assets but are not required. Knowledge of French is not required as the working language at LAM is English (although free French classes are provided for those interested).
*** Application details ***
Applications should include:
- CV + cover letter
- Publication list
- Two-page research statement
Applications should be sent in PDF format to jean-claude.bouret @ lam.fr and stephane.blondin @ eso.org by 31st March 2026. Interviews of shortlisted candidates will take place shortly thereafter.
Two letters of recommendation should also be sent to the same email addresses by the application deadline.
*** Diversity Statement ***
SuperEarly and LAM are committed to diversity and equal opportunity, and do not discriminate on the basis of gender, ethnicity, age, or socioeconomic background. We strongly encourage all qualified candidates to apply and to consider joining our team.
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| PhD in Molecular Astrophysics (Astrochemistry) and Star Formation (4 years) | Closing date: 2026-03-31
Contact: Maria Drozdovskaya |
| How chemically complex do molecules in star-forming regions get and how do they form? Unbiased spectral surveys executed with the most powerful interferometers such as the Atacama Large Millimeter/submillimeter Array (ALMA) allow us to robustly identify 100s of molecules and constrain their abundances in regions containing infant stars. Meanwhile, state-of-the-art physicochemical models permit us to disentangle the individual chemical pathways towards chemical complexity and identify the most conducive physical environments. | | ▸ more | The first goal is to observationally study star-forming regions with ALMA, in order to identify chemically complex molecules, their isotopologs, and their abundances. The second goal is to model the physical processes of star and protoplanetary disk formation alongside chemical process that produce and destroy complex organic molecules. ALMA data and initial modelling framework are already available. By the end of the project, you are expected to defend your PhD thesis and emerge with dual expertise in, both, radio observations and physicochemical modelling. You will immediately become part of international consortia with ample opportunity to collaborate and build your network. This is a fixed-term, 4-year position funded by the European Research Council (ERC) 2025 Consolidator Grant (CoG).
You will join a brand-new ambitious Molecular Astrophysics Group at the Department of Chemistry, Biochemistry and Pharmaceutical Sciences (DCBP) at Universität Bern (UniBe), founded on May 1st, 2026. With us, you will have a major impact on shaping the group's culture and approach to science for the coming years. As a member of a new and growing research group, you will benefit from close supervision by your supervisor and more senior group members, and short internal decision making. Powerful computers to facilitate work on ALMA data will be made available. The Molecular Astrophysics Group will be an international team with scientific excellence, mutual empowerment, and collective resilience as its core values.
WHAT YOU WILL DO
- Analyze ALMA data and learn data reduction pipelines
- Develop physical models of star formation and networks for interstellar chemistry
- Lead publications in high-impact journals
- Contribute to and lead future observing proposals
- Present results at international conferences and consortia meetings
REQUIREMENTS
- MSc degree in a natural science or engineering (astronomy, astrophysics, chemistry, physics, or another relevant field)
- Programming experience (e.g., Python)
- Interest in chemical composition and physicochemical processes transpiring in star-forming regions
- Competence in spoken and written English (C1 or higher)
- Exposure to basic astronomy is preferred
START DATE
June 1st, 2026 or later by agreement
APPLICATION INSTRUCTIONS
Applications will be considered on a rolling basis until filled. Apply by March 31st, 2026 for full consideration. Send the following documents in a single PDF to maria.drozdovskaya @ unibe.ch
1. Motivation Letter (2 pg. max), including reasons for pursuing a PhD in general and for choosing the research field of molecular astrophysics
2. CV
3. Complete list and transcripts of all Bachelor- and Master-level courses, with a translation if not in English, German, French, Russian, or Dutch (notarized translation is not needed)
4. Contact information of 2 references (that may be contacted for a reference letter at a later stage)
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| Postdoc in Molecular Astrophysics (Astrochemistry) with JWST (1 year) | Closing date: 2026-03-31
Contact: Maria Drozdovskaya |
| What is the chemical composition of interstellar ices in molecular clouds, protostellar regions, and protoplanetary disks? With JWST, this can now be determined at an unprecedented accuracy. | | ▸ more | The idea is to assemble an inventory of interstellar ice species and their abundances across the full evolutionary range of star- and planet-forming regions. Upon agreement, a specific evolutionary stage and corresponding JWST data set will be selected for a focused project achievable within the 1-yr timeframe. This is a short-term (1-yr with a potential extension depending on funding) postdoc opportunity, which could be ideal for a more experienced postdoc in need of bridge funding or an ambitious early postdoc, while applying for own independent funding, for example. Ample support will be provided for such pursuits of independent funding. As a more senior member of the group, you will be given significant autonomy and will help develop future research areas. You will have the opportunity to become part of international consortia with many opportunities to collaborate and expand your network. The initial fixed-term, 1-year position is funded by the European Research Council (ERC) 2025 Consolidator Grant (CoG).
You will join a brand-new ambitious Molecular Astrophysics Group at the Department of Chemistry, Biochemistry and Pharmaceutical Sciences (DCBP) at Universität Bern (UniBe), founded on May 1st, 2026. With us, you will have a major impact on shaping the group's culture and approach to science for the coming years. As a more experienced member of a new and growing research group, you will be expected to take on roles with more responsibilities, while benefiting from more facetime with your supervisor and short internal decision making. Powerful computers to facilitate work on JWST data will be made available. The Molecular Astrophysics Group will be an international team with scientific excellence, mutual empowerment, and collective resilience as its core values.
WHAT YOU WILL DO
- Reduce and analyze JWST data
- Lead publications in high-impact journals
- Present results at international conferences and consortia meetings
- Co-supervise MSc/PhD students (optional)
REQUIREMENTS
- PhD degree in a relevant field (astronomy, astrophysics, chemistry, physics)
- Research experience backed by a publication record
- Programming skills (e.g., Python)
- Interest to pursue independent funding
- Research experience with JWST data and/or molecular astrophysics
START DATE
June 1st, 2026 or later by agreement
APPLICATION INSTRUCTIONS
Applications will be considered on a rolling basis until filled. Apply by March 31st, 2026 for full consideration. Send the following documents in a single PDF to maria.drozdovskaya @ unibe.ch
1. Motivation Letter (1 pg. max)
2. CV
3. Publication List
4. Contact information of 3 references (that may be contacted for a reference letter at a later stage)
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| Postdoc in Molecular Astrophysics (Astrochemistry) with JWST (3 years) | Closing date: 2026-03-31
Contact: Maria Drozdovskaya |
| What sets the chemical composition of planet-forming materials? By studying the composition of the earliest sites of star and planet formation with JWST, we can begin to unravel how natal environments predetermine planetary composition. | | ▸ more | The goal is to observationally study prestellar cores and protostellar environments with JWST, in order to obtain a chemical inventory of the interstellar ices therein. To start, NIRCAM and NIRSpec data are already available for reduction and analysis. Of particular interest to the project are complex organic species and their precursors. Over the course of the project, emphasis will be placed on securing statistically significant samples. As a postdoctoral researcher, you will be given significant autonomy and will help develop future research areas. You will immediately become part of international consortia with ample opportunity to collaborate and expand your network. This is a fixed-term, 3-year position funded by the European Research Council (ERC) 2025 Consolidator Grant (CoG).
You will join a brand-new ambitious Molecular Astrophysics Group at the Department of Chemistry, Biochemistry and Pharmaceutical Sciences (DCBP) at Universität Bern (UniBe), founded on May 1st, 2026. With us, you will have a major impact on shaping the group's culture and approach to science for the coming years. As a more experienced member of a new and growing research group, you will be expected to take on roles with more responsibilities, while benefiting from more facetime with your supervisor and short internal decision making. Powerful computers to facilitate work on JWST data will be made available. The Molecular Astrophysics Group will be an international team with scientific excellence, mutual empowerment, and collective resilience as its core values.
WHAT YOU WILL DO
- Reduce and analyze JWST NIRCam and NIRSpec data
- Develop and apply data reduction pipelines
- Lead publications in high-impact journals
- Contribute to and lead future observing proposals
- Present results at international conferences and consortia meetings
- Co-supervise MSc/PhD students (optional)
REQUIREMENTS
- PhD degree in a relevant field (astronomy, astrophysics, chemistry, physics)
- Research experience backed by a publication record
- Programming skills (e.g., Python)
- Interest to develop leadership skills and work autonomously
- [preferred] Research experience with JWST data and molecular astrophysics
- [preferred] Experience developing pipelines for observational data reduction
START DATE
June 1st, 2026 or later by agreement
APPLICATION INSTRUCTIONS
Applications will be considered on a rolling basis until filled. Apply by March 31st, 2026 for full consideration. Send the following documents in a single PDF to maria.drozdovskaya @ unibe.ch
1. Motivation Letter (1 pg. max)
2. CV
3. Publication List
4. Contact information of 3 references (that may be contacted for a reference letter at a later stage)
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| 2 to 3-Year Postdoctoral Appointment on extragalactic mm-wavelength surveys, CAB CSIC-INTA Spain | Closing date: 2026-04-01
Contact: Itziar Aretxaga |
Center for Astrobiology (CAB, CSIC-INTA, Spain)
Postdoctoral Research Assistant
(1 position, fixed term)
Salary: 39,000-43,000 euro gross/year, depending on experience
Benefits: Social benefits as mandated by Spanish labor law | | ▸ more | The Department of Astrophysics at the Center for Astrobiology (CAB CSIC-INTA, Spain https://cab.inta-csic.es/en/) invites applications for a postdoctoral research assistant position in the field of Galaxy Formation and Evolution. The successful candidate will work on the Milgatz project (ATR2024-154316, http://www.itziararetxaga.net/2025/06/atrae-milgatz-project/), led by Dr. Itziar Aretxaga, entitled: "Millimeter-Wavelength Large-Area Surveys of Galaxies with TolTEC at High Redshift (Milgatz)"
The selected candidate will join the CAB campus in Villafranca del Castillo, located at the European Space Astronomy Centre (ESAC, https://www.esa.int/About_Us/ESAC), near Madrid. The position is expected to start between June and September 2026.
CAB is a multidisciplinary research institute jointly funded by the Spanish National Research Council (CSIC) and the Spanish National Institute of Aerospace Technology (INTA). It operates across two campuses: ESAC (Villafranca del Castillo) and INTA (Torrejón de Ardoz). The successful candidate is expected to interact with researchers at both campuses and with the international TolTEC science team.
As a member of the Spanish research community, the successful candidate will have access to major observational facilities, including ESO facilities (VLT, ALMA), IRAM/NOEMA, and observatories at La Palma, such as the 10.4 m Gran Telescopio Canarias (GTC) and ING, with access to the Large Millimeter Telescope (LMT).
Project Description
Milgatz exploits millimeter-wavelength surveys conducted with the TolTEC camera (http://toltec.astro.umass.edu/) at 1.1, 1.4, and 2.0 mm on the Large Millimeter Telescope Alfonso Serrano (LMT). The project aims to characterize the dusty star-forming galaxy population and quantify its contribution to the star formation history and chemical enrichment of the Universe. The successful candidate will be part of the TolTEC-associated science team, with direct access to TolTEC Legacy Survey data.
Requirements
Applicants should:
- Hold a PhD in Astronomy or Astrophysics by June 2026
- Have experience in observational extragalactic research
- Demonstrate a strong publication record in peer-reviewed astronomy journals
- Possess high-performance computing skills and/or millimeter-wavelength observational experience
Experience with extragalactic surveys at optical, infrared, millimeter, and/or radio wavelengths will be particularly valued. Teaching experience, student supervision, outreach activities, and knowledge of Spanish are considered assets but are not required.
Research Group
Dr. Itziar Aretxaga is the project scientist of TolTEC and joined CAB in 2025 with the Milgatz project. The TolTEC scientific collaboration comprises more than 70 scientists across 8 countries. The selected candidate will join the TolTEC scientific associates team and interact closely with this international consortium, as well as with the Galaxy Formation and Evolution research group at CAB (Villafranca del Castillo and Torrejón de Ardoz).
Application Procedure
Applicants should submit the following materials by April 1, 2026:
- A curriculum vitae (maximum 2 pages)
- A publication list, highlighting up to five key contributions and briefly describing the applicant?s role in each
- A statement of past research accomplishments and current research interests (maximum 3 pages, plus references)
Applicants should also arrange for two to three letters of recommendation to be sent directly to:
Dr. Itziar Aretxaga
Email: iaretxaga @ cab.inta-csic.es
Diversity Statement
Milgatz and CAB are committed to diversity and equal opportunity, and do not discriminate on the basis of gender, ethnicity, age, or socioeconomic background. We strongly encourage all qualified candidates to apply and to consider joining our team.
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| Postdoctoral Fellowships at the Astronomical Institute of the Czech Academy of Sciences for 2026 | Closing date: 2026-04-13
Contact: Lenka Cihakova |
| The Astronomical Institute is the leading astronomical research institute in the Czech Republic. Its main research activities are in the formation, evolution, dynamics and physical properties of galaxies, stars and star systems, research on the physics of compact objects including black holes and gravitational waves, research on the Sun, solar activity and its effects on processes on Earth and in interplanetary space, research on the Earth's immediate environment, the dynamics of natural and artificial bodies in the Solar System, and the research on interplanetary matter. | | ▸ more | Applicants are required to get in touch with our staff members to discuss their support of the application and to discuss a research project and implementation plan (theory, observation, and data analysis are all welcome). A list of supervisors for hosting postdoctoral fellows in 2026 is provided below. Only applications that have been discussed with supervisors will be considered. Supervisors are expected to make their private shortlists and only recommend the final submission to the most promising applicants.
Deadlines:
1. Get in touch with the selected supervisor before March 27, 2026. Later enquiries may not be accepted.
2. Application Deadline is April 13, 2026, 12 PM (noon; in CEST/UTC+2 timezone).
Submissions by email to sekretariat @ asu.cas.cz with the subject POSTDOC 2026.
Required application parts (all in PDF):
- cover sheet listing: full name, birth date, nationality, current position, the exact date of PhD
defence, name of the host/supervisor at ASU, short motivation (½ page max)
- curriculum vitae
- list of publications including citations
- summary of the most significant research results achieved to date and proposed research
project (2 pages max in total)
- outline of the implementation plan for 2 years (4500 characters max)
- recommendation letters (to be delivered separately)
Applicants must arrange for a minimum of two recommendation letters to be sent directly to the same electronic address as above. The letters may be issued up to 9 months before the application deadline.
Applications can be submitted slightly before finishing a PhD, in which case a statement from the current supervisor stating the planned date of the defence should be included. Applicants MUST then prove they have been awarded the PhD degree before April 20. The appointment is initially for one year; an extension for another year is expected upon satisfactory scientific performance. A necessary condition is to satisfy legal requirements for employment in the Czech Republic (EU member state). Salary will be based on the domestic level (cca 1800 EUR/month before taxes (~25%); health insurance is included in the taxes). There is a possibility of staff accommodation in Ondrejov; in Prague, private accommodation has to be arranged. The starting date of employment is expected to be July 1, 2026, but it is negotiable.
Further information:
o https://www.asu.cas.cz/en/departments for the list of working groups at the Institute
o https://www.euraxess.cz/ for details about the research, employment and work conditions
in the Czech Republic
o http://www.numbeo.com/cost-of-living/comparison.jsp to compare the cost of living
List of researchers and topics:
- Jan Benácek, jan.benacek @ asu.cas.cz, Pulsars, magnetars, and fast radio bursts
- Jaroslav Dudík, jaroslav.dudik @ asu.cas.cz, Solar flares and eruptions, solar corona and transition region
- Petr Kabáth, petr.kabath @ asu.cas.cz, Exoplanets and their atmospheres
- Jana Kasparová, jana.kasparova @ asu.cas.cz, Solar flares in X-ray domain
- Ondrej Zelenka, ondrej.zelenka @ asu.cas.cz, Gravitational waves from small mass ratio black hole binaries
- Marek Skarka, marek.skarka @ asu.cas.cz, Stellar variability
- Jirí Svoboda, jiri.svoboda @ asu.cas.cz, Multiwavelength observations of black holes across the mass scale
- Artem Koval, artem.koval @ asu.cas.cz, Solar radio bursts
- Petr Hellinger, petr.hellinger @ asu.cas.cz, Solar wind turbulence
- Sona Ehlerová, sona.ehlerova @ asu.cas.cz, Structures in the interstellar medium
- Jan Palous, palous @ ig.cas.cz, Feeding supermassive black holes
- Richard Wunsch, richard.wunsch @ asu.cas.cz, Formation of stars and star clusters
- Pavel Jáchym, pavel.jachym @ asu.cas.cz, Evolution of galaxies in galaxy clusters
- Michaela Kraus, michaela.kraus @ asu.cas.cz, Pulsations in blue supergiants and evolution of massive stars
- Brankica Kubátová, brankica.kubatova @ asu.cas.cz, Wind-fed accretion in X-ray binaries
- Jirí Kubát, kubat @ sunstel.asu.cas.cz, Radiative transfer and modelling of stellar atmospheres and winds
- Michal Dovciak, michal.dovciak @ asu.cas.cz, X-ray astrophysics of black holes in AGN and XRBs - spectra, timing and polarization in theory and observations
- Rhys Taylor, rhys.taylor @ asu.cas.cz, Arecibo studies of galaxy evolution
- Olga Maryeva, olga.maryeva @ asu.cas.cz, Physical properties of evolved massive stars and their nebulae
- Petr Skoda, petr.skoda @ asu.cas.cz, Astroinformatics, advanced machine learning and usage of large language models and pre-trained transformers in astronomy
- Michalis Kourniotis, michail.kourniotis @ asu.cas.cz, Machine-learning classification of massive stars
- Vladimír Karas, vladimir.karas @ asu.cas.cz, Acceleration and collimation processes in strong gravity
Inquiries:
Mrs. Lenka Ciháková
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| Postdoctoral Position in Solar Physics at IAC (Tenerife, Canary Islands, Spain) | Closing date: 2026-04-15
Contact: Christoph Kuckein |
Postdoctoral position in Solar Physics at the Instituto de Astrofísica de Canarias (Tenerife, Spain). Research on the solar atmosphere using Solar Orbiter and/or Sunrise III data.
Deadline: April 15, 2026
Start: first half of 2026 (flexible) | | ▸ more | The Instituto de Astrofísica de Canarias (IAC) invites applications for one postdoctoral position in Solar Physics within the project ?Space Solar Physics and Space Weather.?
The successful candidate will conduct observational studies of the solar atmosphere, from the photosphere to the corona, primarily using data from Solar Orbiter and/or Sunrise III, with the possibility of combining these with other space- and ground-based observations.
The IAC is an internationally recognized center of excellence in astrophysics located in La Laguna (Tenerife, Canary Islands), next to the island?s capital. It operates the world-class Canary Islands Observatories, one of the premier astronomical sites in the Northern Hemisphere, and hosts a large, internationally active research community.
Tenerife offers a mild year-round climate, remarkable natural surroundings, and an international scientific environment, together with direct access to leading ground-based facilities and major space missions.
Applicants must hold a PhD in Astrophysics or Physics by the application deadline.
Further details and application instructions are available here:
https://www.iac.es/en/employment/iac-postdoctoral-fellowship-solar-espacial-2026
Application deadline: April 15, 2026
Expected start date: First half of 2026 (flexible)
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| Elevate Your PhD Experience with a Studentship at the European Southern Observatory (ESO)! | Closing date: 2026-04-20
Contact: Evelina Dietmann |
| Are you a PhD student looking to immerse yourself in one of the world's most dynamic scientific environments? The ESO Research Studentship Programme offers an unparalleled opportunity to join the vibrant community of one of the leading observatories on the planet for up to two years. | | ▸ more | Why ESO?
ESO is Europe's premier intergovernmental astronomy organization, home to approximately 110 staff astronomers, 40 Fellows, and 40 PhD students. Our team conducts cutting-edge research across a broad range of fields, from exoplanets to cosmology, in a collaborative and stimulating setting that?s hard to match.
Who Can Apply?
We welcome applications from students enrolled in PhD programmes in astronomy or related scientific fields. As an ESO student, you will work on your doctoral project under the guidance of your home university supervisor while benefiting from the co-supervision of an ESO staff astronomer. You will spend a minimum of six months in Chile or one year in Germany, with a maximum stay of two years. Positions are available at ESO's headquarters in Garching, near Munich (Germany) and in Santiago (Chile), with special opportunities for students from Chilean universities.
Ready to Apply? If you are eager to enhance your PhD journey with an extended stay at ESO, visit ESO Studentship Employment Conditions for details on employment conditions and benefits. https://www.eso.org/public/jobs/conditions/students/
Apply online at ESO Recruitment. https://recruitment.eso.org/
Deadline: 20 April 2026. Applications will be reviewed as soon as the deadline passes.
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| ESA Archival Research Visitor Programme | Closing date: 2026-04-30
Contact: Guido De Marchi |
| To increase the scientific return from its space science missions, the European Space Agency (ESA) welcomes applications from scientists interested in pursuing research projects based on data publicly available in the ESA Space Science Archives (https://www.cosmos.esa.int/web/esdc). | | ▸ more | The ESA Archival Research Visitor Programme is open to scientists, at all career levels, who are affiliated with institutes in ESA Member States and Cooperating States. All visits must comply with the ESA security directives, which may necessitate additional checks. Early-career scientists and PhD students are particularly encouraged to apply. We encourage applications from women and minorities. The peer-review evaluation process is anonymised to ensure equal opportunities for all applicants.
During their stay, visiting scientists will have access to archives and mission specialists for help with the retrieval, calibration, and analysis of archival data. In principle, all areas of space research covered by ESA science missions can be supported.
Residence lasts typically between one and three months, also distributed over multiple visits. Research projects can be carried out at ESAC (Madrid, Spain) and at ESTEC (Noordwijk, Netherlands). To offset the expenses incurred by visitors, ESA covers travel costs from and to the home institution and provides support for lodging expenses and meals.
Applications received by 30 April 2026, 23:59 UTC, will be considered for visits in autumn 2026 and winter 2027.
For further details, including areas of research and contact information, please refer to https://www.cosmos.esa.int/web/esdc/visitor-programme or write to the programme coordinators at arvp @ cosmos.esa.int
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