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 the section Expertise and Analyses within the Department of Radiation Safety and Security we are looking for a

Physicist

Apply online now

Your tasks

  • Concept development, organization, execution, evaluation and interpretation of radiation protection measurement campaigns at PSI and at external facilities, primarily within an international project collaboration
  • Preparation of radiation protection assessments (potentially using simulation tools)
  • Development of radiation protection concepts (e.g., for clearance measurements or characterization of radioactive materials) and methods for measuring ionizing radiation according to the needs of the section
  • Preparation of technical reports, quality management documents and scientific publications
  • Presentation of results at specialist meetings and international conferences
  • Performing work in supervised and controlled radiation areas

Your profile

  • University degree in Physics or Engineering, preferably with a PhD
  • Solid expertise in radiation protection, radiation physics, and radiation detection and measurement. Practical experience with measurement campaigns and experiments at particle accelerator facilities is an asset
  • Excellent command of English (spoken and written) and willingness to learn German
  • Strong skills in data analysis, data visualization and programming (e.g., C, Python)
  • Knowledge of one or more major Monte Carlo radiation transport codes (FLUKA, Geant4, MCNP) is an asset

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.

This is a fixed-term position. The employment contract will be limited to 3 years.

For further information, please contact Dr. Sophie Harzmann, phone +41 56 310 37 12.

Please submit your application online by 07.12.2026 for the position as a Physicist (Index-Nr. 9620-24371).

Paul Scherrer Institute, Human Resources Management, Luca Simen, 5232 Villigen PSI, Switzerland