Research Associate (Postdoc) (f/m/d) - Isotope Geochemistry

The University of Bremen, Faculty 05 – Geosciences, is offering a fiveyear 1.0 position as

Research Associate (Postdoc) (f/m/d)

Pay grade TV-L 13
100% (39.2 hrs/week) of weekly working hours
for the area of
Isotope Geochemistry

The fixed-term contract is for the purpose of academic qualification in accordance with § 2(1) of the WissZeitVG (Act on Fixed-Term Contracts in Academia). Accordingly, your application can only be considered if you still have the requisite period of qualification time remaining in accordance with § 2(1) of the WissZeitVG.

The University as an employer:

With around 20,000 students and approx. 3,500 staff members, the University of Bremen is a medium-sized university. It is one of Germany’s leading universities in terms of third-party funding and research.

The Faculty of Geosciences at the University of Bremen is an internationally established research and teaching institution. It covers the full spectrum of modern geosciences, offers five predominantly English taught degree programmes (B.Sc. and M.Sc.) with a focus on applied, marine and materials sciences, and maintains close scientific cooperation with non-university research institutions. Together with the Research Faculty MARUM – Center for Marine Environmental Sciences, Bremen is a leading international research location in the field of marine sciences.

The position is based within the Isotope Geochemistry Research Group at the Faculty of Geosciences and MARUM. The research focuses on the geochemical evolution of the Earth and the Oceans. Research will focus primarily on the application of isotope geochemical methods to geoscientific questions and related analytical and instrumental developments. The infrastructure of the Isotope Geochemistry Research Group includes a mass spectrometry laboratory equipped with a thermal ionization mass spectrometer (Triton) and a multi-collector ICP mass spectrometer (Neptune), as well as chemistry laboratories, including a cleanroom laboratory (PicoTrace).

Your responsibilities:

1. Academic teaching duties of 4 SWS (including the teaching of specialist knowledge and practical skills, as well as instruction in the application of academic methods within bachelor’s and master’s degree programmes in accordance with the relevant course content, and, where applicable, teaching support in the form of subject-specific instruction for other teaching units)
2. Academic research services, participation in research projects, including:
• Development of independent research projects related to group focal area
• Collaboration on research projects and High-Profile Areas ( areas) within the Faculty of Geosciences and at MARUM
• Active involvement in the technical management of laboratory facilities
• Active involvement in the supervision of student assistants, undergraduates, research assistants and visiting researchers
• Publication of research findings in internationally renowned journals
3. The opportunity to produce own scientific work (e.g., a habilitation thesis or equivalent work)
4. Other university duties, such as participation in academic self- governance

Your qualifications:

• A completed scientific degree (M.Sc. or equivalent qualification) in the field of geosciences or analytical chemistry
• A completed and relevant PhD in the field of Geosciences
• In-depth knowledge and experience in the operation of a multi-collector ICP mass spectrometer and/or a thermal ionization mass spectrometer
• Knowledge and experience in the preparation of silicate and carbonate materials under cleanroom conditions (ISO class 6 to = 4)
• Ability to conduct independent research with a track record of regular publication
• Good written and spoken English
• Ability to work in a team as well as a high reliability, sense of responsibility and willingness to cooperate

Would be beneficial:

• Experience in teaching
• Experience securing external funding

What we offer:

We offer a varied and diverse position in a motivated team and an innovative research environment. The working environment is characterised by a culture of collaboration and mutual support. This respectful atmosphere also reflects the approach to work across the entire Faculty.

In addition, we offer:

• Close collaboration with international research partners
• Support for further academic qualification
• Participation in workshops, conferences and professional training courses
• Annual bonus ("Christmas bonus"), regular pay rises in line with the public sector pay scale, and additional public sector pension provision (VBL)
• 30 days' annual leave per calendar year (based on a 5-day work week)
• Work-life balance through flexible working hours (flexitime) and the option of remote working (subject to conditions)
• Free social and family counselling services
• An active workplace health management scheme (EGYM WELLPASS) The option to use a Job-Ticket
• Easy access to the workplace by public transport or bicycle
• Catering facilities in the Studentenwerk canteens

Further information on the application:

For general enquiries regarding the selection process or specific questions about the advertised position, please contact: Prof. Dr Simone Kasemann ( [email protected] ).

How to apply:

Please send your application, including your complete and relevant documents (cover letter, CV, certificates, list of publications and teaching experience), quoting reference number A114-26 , by 15.07.2026 as a single PDF file via unencrypted email to: [email protected]

or by mail to

Universität Bremen
Fachbereich 05 / Geowissenschaften
Prof. Dr. Simone Kasemann
Postfach 33 04 40
28334 Bremen

Please note that no photos are to be attached to the application documents.

We kindly ask you to send us only copies (no portfolios) of your application documents, as we cannot return them. They will be destroyed after the selection process has been completed. Any application costs cannot be reimbursed.

We look forward to receiving your application!

General information:

Open to unconventional approaches in research and teaching, the University of Bremen has retained its character as a place of short distances for people and ideas since its foundation in 1971. With a broad range of disciplines, we combine exceptional achievements with great potential for innovation. As an ambitious research university, we are committed to an approach of research-based learning and a strong focus on interdisciplinarity. Actively and in partnership with others, we organise scientific cooperation worldwide.

Today, around 23,000 people learn, teach, research and work on our international campus. In research and teaching, administration and operations, we are fully committed to the goals of sustainability, climate justice and climate neutrality. Our Bremen spirit is expressed in the courage for innovation, in solidarity, respect and appreciation for one another. With our study and research profile and as part of the European YUFE network, we assume social responsibility in the region, Europe and the world.

The university is family-friendly, diverse and sees itself as an international university. We therefore welcome all applicants regardless of gender, nationality, ethnic and social background, religion/ideology, disability, age, sexual orientation and identity.

The University aims to increase the proportion of female academics and therefore strongly encourages female academics to apply. Applications from academics with a migration background and international applications are explicitly welcome. Disabled candidates with essentially equal qualifications will be given preference.