Postdoc in Marine Biogeochemistry

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The Project

The position is financed by the ERC project DARCLIFE (‘Deep subsurface archaea: carbon cycle, life strategies, and role in sedimentary ecosystems’), which investigates the distribution, composition, and processes of sub-seafloor microbial communities. A central question in this active research field concerns the energy balance of deeply buried microbes: What are the key factors controlling metabolic processes at extremely low rates and what is the importance of these transfer processes on the global C cycle? Within a highly interdisciplinary team, this postdoctoral project will focus on the characterization and modeling of geomicrobial processes in a range of geochemical environments for which datasets of unprecedented breadth and quality are available. More detailed information on DARCLIFE can be found at

The Institute

The Marum – Center for Marine Environmental Sciences at the University of Bremen is one of the leading marine research institutes in Europe. Among others, it hosts the European IODP core repository and the Cluster of Excellence “The Ocean in the Earth System”, i.e., one of three of its kind in the Geosciences in Germany (

Job Description and Qualifications

The candidate will develop a highly flexible, modular diagenetic model on the base and enhancement of established approaches in geochemical and thermodynamic transport-reaction modeling. This model will calculate the transport and transformation rates of a great variety of different sedimentary compounds, from dissolved constituents to particulate matter, including microbial biomass, down to the isotopic level of relevant C-pools.

The candidate should have demonstrated experience in experimental biogeochemistry and/or computer modeling of biogeochemical processes. A completed PhD degree in geochemistry, environmental sciences or a related field is mandatory. Furthermore, the candidate should communicate fluently in English, both verbally and in writing, and be able to work both in a team and independently, and be willing to participate in upcoming research cruises.

We offer this full-time postdoc position for 2 years with a possible extension for an additional 2 years in the framework of a related project. The position can be filled immediately. Salary is commensurate with experience (TVL 13, 100%).


Please attach your motivation for the position, a statement of your research interests, a curriculum vitae, and the names and contact addresses of two referees (with e-mail contact addresses). For informal inquiries, contact Dr. Matthias Zabel, e-mail: (

As the University of Bremen intends to increase the proportion of female employees in science, women are particularly encouraged to apply. In case of equal personal aptitudes and qualification priority will be given to disabled persons

The position will be open until filled.

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