The Paul Scherrer Institute PSI is the largest research institute for natural and engineering sciences within Switzerland. We perform cutting-edge research in the fields of future technologies, energy and climate, health innovation and fundamentals of nature. By performing fundamental and applied research, we work on sustainable solutions for major challenges facing society, science and economy. PSI is committed to the training of future generations. Therefore, about one quarter of our staff are post-docs, post-graduates or apprentices. Altogether, PSI employs 2300 people. 

For Light-Matter Interactions group in the Laboratory for Materials Simulations LMS of the PSI Center for Scientific Computing, Theory, and Data CSD we are looking for a

Postdoctoral Fellow in theoretical and computational modelling of ARPES

Your tasks

  • Carry out research theory of angle-resolved photoemission spectroscopy ARPES
  • Implement new methods in and improve open-source scientific software in the group 
  • Perform first-principles simulations of ARPES for materials relevant to orbitronics 
  • Identify fingerprints of orbital angular momentum 
  • Identify promising materials for orbitronics applications 
  • Collaboration with experimental groups 
  • Support research and teaching activities generally

Your profile

  • A PhD degree in Physics or a closely related field 
  • A strong background in theoretical condensed matter physics or related disciplines 
  • Basic knowledge photoemission spectroscopy or related techniques 
  • Theoretical and practical knowledge of first-principles simulations of materials based on DFT 
  • Good programming skills in Fortran and Python 
  • Good command of English and excellent communication skills 
  • The ability to work independently and collaborate effectively with both theoretical and experimental partners is essential

We offer

Our institution is based on an interdisciplinary, innovative and dynamic collaboration. You will profit from a systematic training on the job, in addition to personal development possibilities and our pronounced vocational training culture. If you wish to optimally combine work and family life or other personal interests, we are able to support you with our modern employment conditions and the on-site infrastructure.

For further information, please contact Prof. Dr Michael Schüler, email michael.schueler@psi.ch.

Please submit your application online by 28 February 2026 (including CV, publication list, motivation letter, copy of PhD certificate, addresses of referees) for the position as Postdoctoral Fellow (Index-Nr. 7303-25508).

Paul Scherrer Institute, Human Resources Management, Mariusz Prus, 5232 Villigen PSI, Switzerland