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 matter and materials, energy and environment and human health. 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 2100 people.

For the Systems Behaviour Group of the Laboratory for Reactor Physics and Thermal-Hydraulics we are looking for a
Development and consolidation of the data linkage tool for best-estimate coupled LWR (Light Water Reactor) analysis
Your tasks
Further develop and consolidate the data linkage tool for best-estimate coupled (thermalhydraulic-neutronic) LWR analysis. The development includes a review of the data transfer protocols for system code (TRACE) and neutronics codes, achieving consistency between the corresponding models by updating the inputs, validation and verification procedure, tool application for simulating the Swiss NPP.
Your profile
  • Nuclear engineering, information technology or software engineering student or similar
  • Knowledge and first practical programming experience with scripting language, e.g. Python, Perl
  • Knowledge of UNIX OS and shell scripting
  • Ideally familiarity with thermalhydraulics and nutronics codes, i.e. TRACE, RELAP, Simulate3, CASMO
  • Creative, analytically thinking, team-working
  • Good English communication
  • You have not yet completed your Master’s thesis
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 Dr Konstantin Nikitin, phone +41 56 310 27 01 or E-Mail:

Please submit your application online for the position as a Trainee (index no. 4000-T2).

Paul Scherrer Institut, Human Resources Management, Patrizia Meister, 5232 Villigen PSI, Switzerland.