The Leibniz-Institute for Astrophysics Potsdam invites applications for a post-doctoral researcher (m/f/d) in observational extragalactic astrophysics. The successful candidate will participate in and contribute to the new ERC-funded research project “SPECMAP-CGM – Spectroscopic Mapping of the Circumgalactic Medium Across Cosmic Times” headed by Prof. Lutz Wisotzki. The position will be available for a duration of at least 3 years.