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.

Scientist (Tenure Track)

Your tasks

  • Development of neutron transport and reactor physics methodologies for current and future reactor systems with emphasis on critical safety and burnup credit, characterization of used nuclear fuel and radioactive source terms, and radiation transport and shielding applications 
  • Verification and validation with uncertainty quantifications and sensitivity analyses 
  • Establishment of AI/ML methods to augment and/or optimize methodologies and associated validation 
  • Participation in international activities, preparation of research proposals, publication of scientific articles, and supervision of students

Your profile

  • PhD in nuclear engineering or physics 
  • Strong background and interest in reactor physics and radiation transport simulation methods, with solid experience in Monte-Carlo codes 
  • Robust knowledge of statistical methods, as well as uncertainty quantification and sensitivity analysis techniques 
  • High proficiency in modern programming and scripting
  • Familiarity with deterministic reactor core simulations as well as machine learning techniques

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 Tenure Track position. The employment contract will initially be limited to 3 years.

For further information, please contact Alexander Vasiliev, phone +41 56 310 27 02.

Please submit your application online by 15. May 2026 for the position as Scientist (Tenure Track) (Index-Nr. 4102-26730)

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