Post-doctoral position in instrument modeling for cosmology "M/F"

CNRS, France

Updated: about 1 month ago
Location: Orsay, LE DE FRANCE
Job Type: FullTime
Deadline: 13 Feb 2026

24 Jan 2026
Job Information
Organisation/Company

CNRS
Department

Institut d'astrophysique spatiale
Research Field

Astronomy
Researcher Profile

First Stage Researcher (R1)
Application Deadline

13 Feb 2026 - 23:59 (UTC)
Country

France
Type of Contract

Temporary
Job Status

Full-time
Hours Per Week

35
Offer Starting Date

1 Mar 2026
Is the job funded through the EU Research Framework Programme?

Not funded by a EU programme
Is the Job related to staff position within a Research Infrastructure?

No

Offer Description

The main objective of the project is to develop an instrument model to predict the performance and sensitivity of a future space mission for cosmology.

The candidate will be required to simulate the performance of a specific instrument using Python code in order to predict the sensitivity of a future space spectrometer dedicated to measuring spectral distortions in the cosmic microwave background. These activities will be carried out within the IAS Cosmology team, but also in conjunction with an international collaboration involving scientific and technical staff.
The candidate will also be required to document the codes developed and produce a user manual.

The Institut d'Astrophysique Spatiale (IAS) is seeking applications for a postdoctoral researcher position to work in the Cosmology team. This team consists of 10 researchers, 2 postdoctoral fellows and 10 doctoral students and has taken the lead in two new projects dedicated to measuring spectral distortions in the cosmic microwave background: a stratospheric balloon, BISOU, and a proposal for a new space mission, FOSSIL. The successful candidate will join these two projects to help optimise them using the instrument simulations obtained.


Where to apply
Website
https://emploi.cnrs.fr/Candidat/Offre/UMR8617-VIRKAT-009/Candidater.aspx

Requirements
Research Field
Astronomy
Education Level
PhD or equivalent

Languages
FRENCH
Level
Basic

Research Field
Astronomy
Years of Research Experience
None

Additional Information
Eligibility criteria

Preference will be given to candidates with expertise in cosmology. Knowledge of the science involved in modelling the cosmic microwave background and associated astrophysical foregrounds is required. An understanding of the physical processes that can create spectral distortions in the cosmic microwave background spectrum would be welcome.
Good coding experience will be necessary, as well as the ability to communicate easily in English. Knowledge of millimetre astrophysical instrumentation will be an asset.


Website for additional job details

https://emploi.cnrs.fr/Offres/CDD/UMR8617-VIRKAT-009/Default.aspx

Work Location(s)
Number of offers available
1
Company/Institute
Institut d'astrophysique spatiale
Country
France
City
ORSAY
Geofield


Contact
City

ORSAY
Website

http://www.ias.u-psud.fr

STATUS: EXPIRED

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