GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt operates one of the leading particle accelerators for science. Currently, the new FAIR (Facility for Antiproton and Ion Research) one of the world's largest research projects, is being built in international cooperation. GSI and FAIR offer the opportunity to work in this international environment with a team of employees committed to world-class science.
For the department Linac (LIN) we are looking for a
Physicist or Engineer (all genders)
Reference: 25.118-6680
to participate in development of the superconducting linear accelerator HELIAC (HElmholtz LInear ACcelerator). Currently at GSI the first cryogenic module of HELIAC is in test operation, further two cryogenic modules are in manufacturing phase.
Your tasks:
1. Procurement and Supervision of manufacturing of components and cryostat for further cryogenic modules
2. Cryogenic testing of RF cavities, including the development of automated control for the subatmospheric helium compressor
3. Participation in tests with first cryogenic module
4. Participation in beam times.
Your qualifications and skills:
5. University Degree in physics or engineering sciences (M.Sc./M.Eng.) or comparable qualification
6. Ability and interest to work with mechanical systems and accelerator installations
7. Knowledge in one or more of these fields: cryogenic, vacuum technology, programing, industrial PLC.
8. Team-oriented and safe working methods
9. Good language skills in English and German.
The following qualifications and skills are desirable:
10. Experience in Python programming
11. Experience with analog and digital electronics.
You may expect a multifaceted and interesting position within an internationally leading research institution.
The position is limited until 31.08.2028. Salary is as specified in the collective agreement for public employees (TVöD Bund), effective at GSI.
GSI supports the vocational development of women. Therefore, women are especially encouraged to apply for the position.
Handicapped persons will be preferentially considered when equally qualified.
Further information about FAIR and GSI is available at and .
If you find this position interesting and challenging and would like to work in an exceptional, international, strongly technical environment, please send your full application documents with information of your earliest possible starting date and the reference number 25.118-6680 above by 24.11.2025 at the latest via the online portal on our job site:
GSI Helmholtzzentrum für Schwerionenforschung GmbH
Human Resources Department
Planckstrasse 1
64291 Darmstadt
GERMANY
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