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# Job offer

- **Company:** EURAXESS
- **Location:** Bremen, Germany (Remote available)
- **Contract:** Temporary contract
- **Skills:** Bash Shell, R (Programming Language), Python (Programming Language), Linux System Administration
- **Published:** September 7, 2026
- **Apply:** https://euraxess.ec.europa.eu/jobs/464064#where-to-apply

## About the Role

* A successfully completed scientific university degree (Master's/university diploma) in biology/microbiology, biogeochemistry or a related field. Applicants who are in the final phase of their Master's degree program will also be considered. Please note that submission of your Master's degree certificate is mandatory for employment.
 * Experience with sampling and incubation experiments
 * Very good written and spoken English skills
 * Ability to work in a team
 * Communication skills in an international working environment

The following would also be advantageous:

 * Experience with scientific expeditions
 * Experience in computer-aided analysis of biological sequence datasets (e.g., with R, Python and Bash/Linux environments)
 * Basic understanding of polar microbiology, marine sediments or ecological issues
 * Spanish language skills, Master Degree or equivalent

## Description

In the Microbial Ecophysiology Group, we investigate the structure and function of microbial communities in Antarctic marine sediments. Fermentative microorganisms play a key role in the initial anaerobic breakdown of organic polymers, supplying substrates for sulfate- and iron-reducing microorganisms. However, their identity, distribution, and activity in Antarctic sediments remain poorly understood.

Our DiFMAS project, part of the DFG Priority Programme Antarctic Research, combines geochemical analyses, 16S rRNA gene sequencing, qPCR, and RNA-based stable isotope probing (RNA-SIP) using 13C-labelled organic material. We aim to identify these key fermentative organisms and determine the environmental factors controlling their activity under future conditions. Ultimately, the project will improve our understanding of anaerobic microbial food webs in Antarctic coastal sediments and their role in polar biogeochemical processes.

Your main responsibilities will include:

 * Sampling and geochemical analysis of Antarctic sediment samples
 * Incubation experiments and stable isotope probing of microbial communities
 * Sequence analysis of microbial communities
 * Planning and participation in fieldwork (approx. 3 months) on the Antarctic Peninsula, Carlini Station
 * Collaboration with colleagues within MARUM, the DFG Priority Program and our Argentinian cooperation partners
 * Presentation of results in regular project meetings and at international conferences; Publication of results in leading, peer-reviewed scientific journals, Data Protection Notice In accordance with §§ 12, 13 GDPR, your application documents will be stored in compliance with Art. 6 GDPR in conjunction with § 12 BremDSGVOAG, §§ 85ff. BremBG, § 15 AGG until the legal retention period expires and will then be destroyed.


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