RF Engineer or Physicist | Ingenieur*in oder Physiker*in (d/m/w)

GSI Helmholtzzentrum für Schwerionenforschung GmbH

Darmstadt, Hessen, Deutschland
Published Mar 10, 2026
Full-time
Fixed-term

Job Summary

This role involves working at the GSI Helmholtz Centre for Heavy Ion Research, a world-leading particle accelerator facility in Darmstadt. As part of the Linac RF department, you will contribute to the development of the superconducting linear accelerator HELIAC (HElmholtz LInear ACcelerator). Your daily responsibilities include designing and planning RF systems for the injector LINAC, procuring and commissioning 108 MHz continuous wave RF power amplifiers (up to 150 kW), and collaborating on digital RF control systems for both normal-conducting and superconducting cavities. You will also actively participate in testing and beam campaigns with cryogenic modules. This position is ideal for professionals seeking to work in a high-tech, international research environment. It offers a unique opportunity to contribute to one of the world's largest research projects (FAIR) while benefiting from a well-equipped workplace, flexible working arrangements, and comprehensive public service benefits under the TVöD (Bund) collective agreement.

Required Skills

Education

Master’s degree (M.Sc./M.Eng.) in Engineering (preferably Electrical Engineering / High-Frequency Engineering), Physics, or a comparable qualification.

Experience

  • Professional experience in Radio Frequency (RF) engineering and associated measurement techniques
  • Experience in the design and planning of RF systems for linear accelerators
  • Professional experience in the procurement and commissioning of high-power RF amplifiers
  • Experience in the operation or development of high-frequency accelerators is preferred
  • Experience working in team-oriented research or technical environments

Languages

German (Fluent)English (Fluent)

Additional

  • The position is fixed-term until January 31, 2029. Applicants must submit applications by April 7, 2026, including salary expectations and earliest possible start date. Location: Darmstadt, Germany.