GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt is one of the leading particle-accelerator laboratories for science. Currently, the new FAIR ( F acility for A ntiproton and I on R esearch), one of the world's largest research projects, will be built in international cooperation. GSI and FAIR offer the opportunity to work together in this international environment with a team of employees committed to conduct excellent science.

The GSI Target Laboratory is looking for a

Postdoctoral Researcher (Physicist, Chemist or Material Scientist) (all genders)

for a Tenure Track Position

Posting ID: 25.89-6260

The Target Laboratory is one of the scientific-technical infrastructure departments of GSI and FAIR and a world-leading facility for the production of customized targets and stripper foils for accelerator-based research and accelerator applications. The group also provides support and advice for scientific and technical staff of GSI and FAIR in related topics, and collaborates with target laboratories worldwide.

The position is focused on the development and the construction of a setup for the reduction of highly enriched isotopes for the preparation of targets and ion source materials for experiments with heavy ions. A close collaboration with experimental groups and the participation in experiments with the manufactured targets and ion source materials is desired.

Your Tasks:

• Investigation on reduction processes of enriched isotopes
• Analyzing the requirements on enriched isotopes for ion-source operation and heavy-ion experiments
• Conceptional design and construction of suitable setups for target and ion-source material preparation
• Collaboration with groups within GSI and with international groups
• Supporting the daily work of the target laboratory.

Your Qualification:

• PhD in experimental physics, chemistry or material science
• Several years of experience of independent work in a physical or chemistry laboratory
• Preferably, experience in the design and the construction of chemical-physical equipment
• Preferably experience in handling of milligram-amounts of material
• Good knowledge in the fields of material properties, physical vapor deposition techniques and vacuum technology
• Good knowledge in physical analytical methods such as optical microscopy, Scanning Electron Microscopy, Energy-dispersive X-Ray Analysis
• Good communication skills in English and German, both verbal and written.

We are looking for a person who works carefully and reliably, feels comfortable to work both independently and in an interdisciplinary team, and communicates clearly and comprehensible.

We offer an interesting and challenging tenure-track position in an international environment. The position is initially limited to five years. After successful evaluation, the position will become permanent. The anticipated starting date is as soon as possible.

Salary and benefits are based on 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.

Information about FAIR and GSI is available at www.gsi.de/en (http://www.gsi.de/en) and www.fair-center.eu (http://www.fair-center.eu) .

For further information please contact Dr. Bettina Lommel ( b.lommel@gsi.de (mailto:b.lommel@gsi.de) ).

If you find this position interesting, please send all application documents (a CV, a list of publications, including a commented selection of the three most significant ones, a research interest and achievements statement, names of at least two colleagues willing and able to provide qualified assessments of the candidate) stating the Posting-ID 25.89-6260 by 10th of September 2025 at the latest via the online portal on our job site:

Online-Bewerbungsportal (https://www.gsi.de/jobskarriere/stellenangebote/online-bewerbung)

GSI Helmholtzzentrum für Schwerionenforschung GmbH

ABTEILUNG PERSONAL

PLANCKSTRASSE 1

64291 DARMSTADT

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