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 2200 people.
For the Laboratory for Simulation and Modelling, Accelerator Modelling and Advanced Simulations group, we are looking for a

PhD Student

Your tasks

  • PhD Thesis in Computational Physics
  • Support teaching activities generally at the institution of the thesis advisor and/or perform specific maintenance tasks
  • The aim of this PhD project is to advance exascale particle-in-cell (PIC) methodologies, with a focus on algorithmic development, high-performance computing, and practical applications, the project seeks to integrate these improvements into the IPPL library, which underpins our OPAL-X particle accelerator simulation framework
  • Furthermore, we plan to expand OPAL-X's modelling capabilities to include the PSI flag ship projects HIMP (High Intensity Muon Project) and IMPACT (Isotope and Muon Production using Advanced Cyclotron and Target technologies)

Your profile

  • Master’s degree in physics
  • Strong in computational and HPC aspects

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. 
Your employment contract is limited to 4 years.

For further information, please contact Dr Andreas Adelmann, phone +41 56 310 42 33 or email

Please submit your application online by 4 June 2024 (including addresses of referees) for the position as a PhD Student (index no. 7102-00).

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