Trinity is Ireland's leading university and is ranked 75th in the world (QS World University Rankings Founded in 1592, the University is steeped in history with a reputation for excellence in education, research, and innovation, which has been inspiring generations of thinkers for over 400 years.Trinity College Dublin- an introduction.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.Trinity astrophysicists conduct world-leading observational and theoretical research in areas including exoplanets, brown dwarfs, planet formation, exocomets, supernovae, transients, and pulsars. They have access to European Southern Observatory (ESO) facilities, such as ALMA, the VLT, and 4MOST, as well as European Space Agency (ESA) missions, including the James Webb Space Telescope. Trinity also operates I-LOFAR, a state-of-the-art radio telescope located at Trinity's Rosse Observatory in Birr Castle, Co. Offaly. In addition, researchers benefit from access to high-performance computing facilities, including the Irish Centre for High-End Computing (ICHEC) national supercomputers and the Trinity Centre for High Performance Computing (TCHPC) clusters, which enable large-scale simulations, advanced data analysis, and machine-learning approaches to astrophysical problems.The post-holder will work with other academic staff, researchers, and students in the lively, collaborative, and international research environment of the Astrophysics Group and the School of Physics at Trinity College Dublin. Trinity's main campus is located in the heart of Dublin, which also hosts several other astrophysics research institutes that actively collaborate with Trinity astrophysicists.Post Status Tenure Track - This position is Tenure Track position which is 5-years in the first instance, permanency is subject to satisfying the tenure requirements.Salary: Appointment will be made on the Assistant Professor (109BN) commensurate with qualifications / experience and in line with Public Sector Pay Policy (€42,925 to €102,556 per annum) How to Apply: Applicants should provide the following information when applying for the position.A comprehensive curriculum vitae, including a full list of publicationsThe names and contact details of three academic refereesA research plan (summarising experience and research to be carried out in the next four years) – 2 pagesA teaching statement (summarising teaching experience and approach) – 1 page2 significant publications and why/how these publications represent the candidates research and illustrate their scholarship in observational or theoretical astrophysics words)PLEASE NOTE - If there is an issue uploading 5 seperate documents please combine the research and teaching plan into 1 documentNotes:Candidates who do not address the application requirements above in their cover letter will not be considered at the short list stage.Candidates should note that the interview process for this appointment may include the delivery of a presentation.Closing Date: 12 noon (Irish Standard Time) 2nd January 2026 Application will only be accepted by applying online through the Trinity Jobs Portal Applications must be made by the date and time specified. Any applications which are still in progress at the closing time on the specified closing date will be cancelled automatically by the system Late Applications will not be accepted.Please see the Job Description below for this position.Interviews will take place 6th February 2026Informal enquiries about this post should be made to: Professor Kate Maguire, Professor in Astrophysics, School of Physics E: Enquires regarding the recruitment process should be made to: Dr Niamh McGoldrick, School Manager, School of Physics E: At Trinity, we are committed to equality, diversity, and inclusion. Trinity welcomes applications from all individuals, including those applicants with disabilities, those who may have had non-traditional career paths, those who have taken time out for reasons including family or caring responsibilities. We also welcome international applicants including those who have been displaced due to war.Trinity College Dublin is Ireland's premier University. We are an EU Sustainable Gender Equality Champion and we hold an Athena Swan Silver award, recognising our ongoing work to advance gender equality both within Trinity and in the Higher Education sector. Trinity is committed to supporting work-life balance and to creating a family-friendly working environment.