Research Assistant (m/f/x) in Observational Cosmology (NRW FAIR Network) - Bochum

Ruhr-Universität Bochum
Raum Bochum
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Dein Job

Faculty of Physics and Astronomy:
Chair of Oberservational Cosmology 

In order to fill a fixed-term position in full-time (39.83 hours/week = 100%) 01.09.2025 or later, we are looking for  1

Research Assistant (m/f/x) in Observational Cosmology (NRW FAIR Network)

Ruhr-Universität Bochum (RUB) is one of the leading research universities in Germany. As a reform-oriented campus university, it uniquely combines the entire range of major scientific disciplines in one place. The dynamic coexistence of subjects and subject cultures offers researchers and students alike special opportunities for interdisciplinary cooperation.

The Chair of "Observational Cosmology" of Prof. Hendrik Hildebrandt has a vacancy for a full-time research assistant (39.83 hours/week) within the "NRW FAIR" network from September 1, 2025 (later start possible). The position is initially limited until July 31, 2026, but an extension is foreseen.

 

Your tasks:

  • Application of AI methods/machine learning to analyze very large and/or high-dimensional data sets and simulations
  • Active participation in the implementation of the Euclid and LSST projects
  • Measurement and simulation of cosmic shear, galaxy-galaxy lensing and galaxy clustering with current imaging data sets
  • Calibration of shear and redshift measurements

 

Dein Profil

Your profile:

  • Completed doctorate in the field of astronomy/astrophysics
  • Experience with AI methods or machine learning
  • Experience with optical and infrared sky surveys in extragalactic astronomy
  • In-depth knowledge of the weak gravitational lensing effect
  • Image processing of astronomical data from optical and infrared telescopes
  • Multicolor photometry
  • Photometric redshifts
  • Calibration of redshift distributions for cosmic shear measurements
  • Calibration of shear measurements

 

We offer:

  • Challenging and varied tasks with a high level of independence
  • Employment at one of the largest universities in Germany within the University Alliance Ruhr
  • Options for flexible working (mobile working and teleworking)
  • A job in the heart of the lively Ruhr metropolitan region with its diverse cultural offerings

If you are interested in the position, please submit the following application documents:

  • Cover letter with brief motivation and summary of the research project (1 page)
  • Curriculum vitae (max. 3 pages)

Please send the documents in a single PDF file to:

Prof. Hendrik Hildebrandt, Institute of Astronomy, Ruhr-University Bochum, Universitätsstr. 150, 44801 Bochum via the BITE application portal only.

Further information:

The position is salaried and based on the collective agreement of the Länder (TV-L). If the personal and collective agreement requirements are met, the employee will receive pay grade E13 TV-L.

Further information can be found at https://oeffentlicher-dienst.info/ (in German).

The place of work is Ruhr University Bochum.

If the position is funded by third-party funds the employee has no teaching obligation.



German language courses are offered by the University Language Center (ZFA) in the field of German as a Foreign Language (DaF). https://www.daf.ruhr-uni-bochum.de/sbgk/index.html.en

The Staff Council has the right to participate in all selection interviews. At the request of a candidate (m/f/x), it will ensure its participation in the entire procedure. Please contact wpr@rub.de.

The Ruhr-Universität Bochum is one of Germany’s leading research universities, addressing the whole range of academic disciplines. A highly dynamic setting enables researchers and students to work across the traditional boundaries of academic subjects and faculties. To create knowledge networks within and beyond the university is Ruhr-Universität Bochum’s declared aim.

 

The Ruhr-Universität Bochum stands for diversity and equal opportunities. For this reason, we favour a working environment composed of heterogeneous teams, and seek to promote the careers of individuals who are underrepresented in our respective professional areas. The Ruhr-Universität Bochum expressly requests job applications from women. In areas in which they are underrepresented they will be given preference in the case of equivalent qualifications with male candidates. Applications from individuals with disabilities are most welcome.

Contact persons for further information:

Prof. Dr. Hendrik Hildebrandt , Tel.: +49 234 32 24019
Ann-Kathrin Prinzenberg , Tel.: +49 234 32 18380

Travel costs, accommodation costs and loss of earnings or other application costs for job interviews can unfortunately not be reimbursed.

We look forward to receiving your application via our online application portal by 2025-08-25. Please make sure to mention the reference number ANR 4811.


 

Deine Benefits

Vergünstigtes Jobticket
Arbeitsplatz in lebendiger Metropolregion

Stellenmerkmale

Dein Beschäftigungsumfang

Vollzeit (befristet)

Dein Gehalt

Nach Vereinbarung

Dein Arbeitsplatz:

vor Ort

Dein Büro:

Raum Bochum

Ansprechpartner:in

Bei Fragen

Prof. Dr. Hendrik Hildebrandt