Accelerator/FEL Physicist

Job Details

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 2200 people.

For the FEL Beam Dynamics Group  we are looking for a

Accelerator/FEL Physicist
80 % or more

Your tasks
You will contribute to the modeling and development of the free-electron laser facility SwissFEL with a particular focus on external beam manipulation and seeding for the soft X-ray beamline Athos or other new operation modes to provide unique FEL pulse properties to the SwissFEL users. You will also support the operation of the machine with your involvement in machine set-up and development and the maintenance of advanced modes during user run times.

Your profile

  • PhD in accelerator physics and profound knowledge of free-electron lasers and linear accelerators, including practical experience at a running facility
  • Experience with numerical modeling of accelerators and FEL is required  
  • You have intermediate or advanced programming skills (preferably Python or C++)
  • You enjoy working in a diverse team and communicate efficiently in English. If you do not speak German, you are willing to strive for at least a basic level in that language.  

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.

Paul Scherrer Institut
Human Resources Management
Anna Fechtig
Forschungsstrasse 111
5232 Villigen PSI, Switzerland    

For further information, please contact Dr. Sven Reiche, phone +41 56 310 51 19.

Please submit your application online by 30 October 2022  (index no. 8122-00).


The Paul Scherrer Institute, PSI, is the largest research institute for natural and engineering sciences within Switzerland. We perform world-class research in three main subject areas: matter and material; energy and the environment; and human health. By conducting fundamental and applied research, we work on long-term solutions for major challenges facing society, industry and science.

Find Us
41 56 310 47 63

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