PostDoc in exoplanet atmospheres University

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The ideal candidate would have expertise in applying Bayesian statistical methods to astronomical datasets, experience modelling exoplanetary transits, deep knowledge of atmospheric physics (e.g., chemistry, radiative transfer, etc), and a proven track record as an independent researcher.

Specifically, expertise in extracting spectra from JWST time series data and the retrieval of abundances will be most useful. Additional theoretical expertise in connecting sub‑Neptune interiors & atmospheres would also be beneficial.

The fellow will play a key role in the IN/AT-SYNC JWST large programme targeting the atmospheres of sub‑Neptunes in resonant systems (Co‑PI Osborn) and is additionally expected to help obtain further JWST transmission spectra of sub‑Neptunes.

Post Docs will be expected to assist with teaching, directly supervise Masters projects, and provide mentoring to existing PhD students.

Bern's Physics Institute hosts multiple groups studying exoplanet and solar system astronomy, promoting a welcoming and egalitarian research environment. The University of Bern is a top‑200 global university, located in a city frequently ranked among the top‑10 most livable worldwide. Post‑Doc salaries are internationally competitive.

The position is funded for 2 years, with a possible 1‑year extension. We welcome candidates from diverse and minority groups & non‑linear career paths. The annual salary is determined by a matrix provided by the Swiss National Fund. Child allowance and maternity/paternity leave are offered.

Please send enquiries and application documents to hugh.osborn. To be considered, send a cover letter (max 2 pages), CV, publication list (max 4 pages), PhD diploma and contact details of two academic references before 23:39 CEST on August 31st 2026. Online interviews will take place in October with an ideal start date in late 2026 or early 2027.