Lab Assistant Position (18 months) - Stable Isotope Biogeochemistry

The Aquatic and Isotope Biogeochemistry Group in the Department of Environmental Sciences, University of Basel, invites applications for an 18-month Lab Assistant position in our stable isotope biogeochemistry laboratory. The position is part of an international (collaborative) research project.

Our laboratory operates several isotope-ratio mass spectrometers with associated peripheries (EA, GasBench) and sample-preparation lines, supporting research in limnology, marine science, biogeochemistry, paleoclimate research, and microbial ecology.

Your position

• Preparation of samples and reference materials for nitrogen concentration and isotope analysis including analyses of compounds such as nitrous oxide and nitrate
• Application of sample-preparation techniques such as microbial conversion methods, and gas-purging systems
• Operation, quality control, and basic maintenance of mass spectrometers and associated laboratory instrumentation
• Maintaining laboratory organization and inventory, including ordering consumables, chemicals, and gases, etc.
• Working closely with, and assisting, the laboratory manager and other members of the technical and scientific team

Your profile

• A background in chemistry, environmental sciences, biology, geochemistry, or a related field, including practical laboratory experience
• Strong organizational skills and the ability to manage tasks and priorities independently
• The ability and willingness to follow detailed analytical protocols carefully and reproducibly
• An interest in analytical instrumentation, laboratory methods, and quantitative data analysis; experience with Python or similar tools is an asset
• Strong English communication skills; German language skills are valued but not required
• A collaborative attitude and willingness to communicate and work as part of an international team

We offer you

Application / Contact
Please upload your application via our online platform. It should include a motivation letter (max. 1 page), a CV, copies of relevant degrees, and contact details for two references. The University of Basel is an equal-opportunity and family-friendly employer committed to excellence through diversity. We especially encourage applications from women and members of underrepresented groups in academic institutions. Review of applications will begin October 16th 2026, and will continue until the position is filled.

Questions can be addressed to Dr. Claudia Frey ( claudia.frey@unibas.ch )