Postdoc in Theoretical/Numerical Cosmology (M/F)

CNRS; France; Sur place; EUR 30 000 - 50 000; Plein temps

Résumé du poste

A leading research organization in France is seeking a research fellow focused on theoretical and numerical studies in cosmology. Responsibilities include researching magnetic fields, cosmic tensions, and primordial black holes. The candidate should possess strong interpersonal skills, expertise in cosmology or magnetohydrodynamics, and fluency in English. This role is full-time, based in Montpellier, and provides opportunities for professional development.

Qualifications

• Expertise in relevant fields of study is essential.
• Proficiency with various software and MHD codes is preferred.
• Fluent English skills are required.

Responsabilités

• Conduct theoretical and numerical studies in cosmology.
• Perform numerical studies of magnetic fields and their effects.
• Analyze cosmological tensions and primordial black holes.

Connaissances

Expertise in cosmology or numerical magnetohydrodynamic studies

Expertise in MCMC software, Boltzmann codes and MHD code

Fluency in English: reading, speaking and writing

Interpersonal skills

Description du poste

Organisation/Company CNRS Department Laboratoire univers et particules de Montpellier Research Field Physics Researcher Profile First Stage Researcher (R1) Country France Application Deadline 26 Dec 2025 - 23:59 (UTC) Type of Contract Temporary Job Status Full-time Hours Per Week 35 Offer Starting Date 1 Oct 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 research fellow will be responsible for conducting theoretical and numerical studies in cosmology, with a particular focus on primordial magnetic fields, cosmological tension, and primordial black holes.

In collaboration with K. Jedamzik, conduct

• numerical studies of magnetic fields and their effects on cosmological recombination
• study the evolution of magnetic fields from the beginning of the Universe to recombination
• compare calculations with microwave background data
• In general, study cosmological tensions (in particular the Hubble constant tension) and/or conduct studies on primordial black holes.

The Montpellier Laboratory of Universes and Particles (LUPM) is a joint research unit whose research topics cover the fields of stellar astrophysics, astroparticles, particle physics and cosmology. The LUPM is supervised by the CNRS IN2P3 and the University of Montpellier. The LUPM brings together around 72 researchers, teacher-researchers, engineers, technicians and administrative staff divided into three research teams and four support services.

The research fellow (M/F) will work within the LUPM.

The research fellow (M/F) recruited will be eligible for training and support when taking up their duties.

Required skills

• Expertise in cosmology or numerical magnetohydrodynamic studies
• Expertise in MCMC software, Boltzmann codes and MHD code preferred
• Fluency in English: reading, speaking and writing
• Interpersonal skills: Autonomy, Initiative, Organisational skills, Ability to work in a team, Rigorous and reliable, Communication and interpersonal skills