Physicist or Engineer (all genders)

GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt operates one of the leading particle accelerators for science. Currently, the new FAIR ( F acility for A ntiproton and I on R esearch) 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 :

• Procurement and Supervision of manufacturing of components and cryostat for further cryogenic modules
• Cryogenic testing of RF cavities, including the development of automated control for the subatmospheric helium compressor
• Participation in tests with first cryogenic module
• Participation in beam times.

Your qualifications and skills :

The following qualifications and skills are desirable :

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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