10.12.2025 Postdoc in Theoretical/Numerical Cosmology in Montpellier The Particles, Astroparticles & Cosmology Theory (PACT) group at LUPM (Université de Montpellier, France / CNRS) invites applications for a postdoctoral position in the field of Theoretical/Numerical Cosmology. Particular emphasis will be laid on the study of the evolution and observational signatures or primordial magnetic fields, analysis of cosmic tensions such as the Hubble tension, mining of cosmic CMB and BAO data, and possibly the study of primordial black holes and gravitational waves. Application deadline: January 31st, 2026. Read more

10.12.2025 Postdoc positions in particle theory and cosmology in Louvain The theory group at UCLouvain is inviting applications for two 2+1-year postdoctoral positions starting in the fall of 2026, with focus on the following profiles: Particle phenomenology: effective field theories, their collider phenomenology, precise predictions, and on-shell amplitude techniques, primarily supervised by Céline Degrande and Gauthier Durieux. Application deadline: by January 5th, 2026. Read more

10.12.2025 ET-Postdoc Position at University of Hamburg The research group for gravitational wave detection at the University of Hamburg studies metrology and develops instrumentation for current and future ground and space-based detectors like the Einstein Telescope, LIGO, the Lunar Gravitational Wave Antenna and the Laser Interferometer Space Antenna (LISA) with a focus on laser interferometry with a focus on inertial sensing, scattered light, compact interferometers, digital readout and control. The candidate is expected to contribute to the efforts to understand, model and reduce controls noise in current and future detectors and, specifically, to support the design of the Einstein Telescope low-frequency seismic isolation and active noise mitigation system. Relevant findings…

10.12.2025 Postdoc position at the MIT LIGO Laboratory The MIT LIGO Laboratory is seeking a Postdoctoral Associate interested in applying techniques from quantum optics to problems in precision measurement, fundamental physics, and gravitation. Our research employs precision interferometry in a range of experimental efforts including km-scale gravitational wave detection as well as tabletop studies in quantum optics, optomechanics, and integrated photonics. Application deadline: December 31st 2025. Read more

10.12.2025 Assistant Professor in Experimental Cosmology and Gravitational Waves at UC Riverside The Department of Physics and Astronomy at the University of California invites highly qualified experimental physicists to apply for an academic-year tenure-track faculty position at the Assistant Professor level in the fields of Neutrino Physics, Particle Astrophysics, Cosmology and Gravitational Waves. We have recently made new faculty appointments in experimental gravitational waves, experimental dark matter searches, and cosmic microwave background observations. This appointment will complement them. Next review date: Tuesday, Jan 13, 2026 at 11:59pm (Pacific Time). Apply by this date to ensure full consideration by the committee. Read more

10.12.2025 Postdoctoral position in gravitational physics at the University of Mississippi, USA The gravity group at the University of Mississippi invites applications for a postdoctoral researcher in gravitational physics, with a focus on gravitational-wave modeling for LISA. The position is for two years, with potential for renewal for a third year contingent on performance and availability of funding. A PhD in physics/mathematics/astronomy is required by the time of the initial appointment. The successful applicants will also develop and advance an independent research program, collaborate with UMiss gravity group faculty on their research, and help to train UMiss students. UMiss is a member of the Simulating eXtreme Spacetimes (SXS) collaboration, the…

02.12.2025 Postdoctoral position in GW cosmology at ICG, University of Portsmouth This postdoctoral position will focus on testing dark energy and modified gravity models with cosmological observations. Two aspects of this are of interest for this position, candidates are welcome via either route: i) Linking simulations of large-scale structure (LSS) in modified gravity theories to observables relevant to stage IV surveys. ii) Testing gravity through the association of gravitational waves (GWs) and galaxies, e.g. dark sirens, GW-galaxy cross-correlation. Application deadline: 02/01/2026 Read more

02.12.2025 Faculty positions at the University of Birmingham The University of Birmingham has opened a new round of recruitment at the faculty level: Anniversary Fellows (Assistant/Associate Professor level) and Anniversary Chairs (Full Professor level). We invite applications from experts in areas relevant to gravitational-wave astronomy, including instrumentation, observations and data analysis, theoretical relativity and astrophysics, multi-messenger astronomy, data science and AI. The closing date is Sunday 11 January 2026. Read more

27.11.2025 Assistant Professor Position in Trinity College Dublin The School of Physics at Trinity College Dublin invites applications for a position at the level of Assistant Professor in the field of observational or theoretical astrophysics. We seek motivated individuals with a strong potential to enhance astrophysics research and teaching at Trinity. Application deadline: January 2nd 2025 at 12:00 (noon) Irish time. Read more

25.11.2025 Tenure-track Faculty Position in Physics at Lamar University The Department of Physics at Lamar University invites applications for a tenure-track faculty position starting September 1, 2026. The appointee is expected to establish a vigorous, externally funded research program, publish in peer-reviewed journals, and teach effectively across the physics curriculum. Additional responsibilities include service to the department, university, and discipline. The successful candidate will also involve students in research. Preference will be given to candidates with postdoctoral experience and whose research expertise can be leveraged towards Master’s courses in Computational Physics and Data Science. Application deadline: January 5th 2026. Read more