Publisher
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University of Bremen

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PhD Position in Organic and Isotope Geochemistry on Early Eukaryotic Evolution University of Bremen in Germany

Degree Level

PhD

Field of study

Geology

Funding

Full funding available

Deadline

Aug 18, 2026

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Country

Germany

University

University of Bremen

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Keywords

Geology
Chemistry
Environmental Science
Biology
Earth Science
Geochemistry
Isotope Geochemistry

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About this position

MARUM – Center for Marine Environmental Sciences at the University of Bremen is advertising a PhD position (Research Assistant, f/m/d) in Organic and Isotope Geochemistry within the ERC project “Deconvolving the early record of eukaryotic evolution”.

The project investigates the Neoproterozoic and early Palaeozoic, a critical interval in Earth history when eukaryotes became ecologically successful and animals emerged and diversified. The PhD research focuses on stable carbon isotope excursions, the origins of these signals, and the interactions between life and environments during major environmental perturbations. Methods include compound-specific isotope analysis, analysis of ancient biomarkers, and integration of geochemical, sedimentological, and stratigraphic data.

The position involves international fieldwork, rock sampling, laboratory analysis of biomarkers and isotope compositions, interpretation of results in environmental context, and preparation of scientific manuscripts and conference presentations. The work is embedded in MARUM, an internationally recognized marine environmental research center at the University of Bremen, with doctoral support through the MARUM Research Academy.

Eligibility: applicants should have a completed scientific university degree (Master’s/university diploma) in Earth sciences, biology, chemistry, or a closely related field. Candidates in the final phase of their Master’s degree may also be considered, but the Master’s certificate is required for employment. Strong spoken and written English, teamwork, and communication skills in an international research environment are required. Experience in organic geochemistry, isotope geochemistry, or Precambrian research is an advantage.

Funding: this is a paid position under TV-L 13 (75%) with 75% of regular weekly working hours (29.4 hours). The posting also mentions annual gross salary ranges for full-time TV-L levels, plus year-end bonus, pension provision, flexible working hours, mobile work options, and other employee benefits.

Deadline: 18 August 2026. Apply with a single PDF containing cover letter, CV, transcripts, qualification certificates, and contact details for two references. Quote reference number A129-26 and send the application by unencrypted email or by post to MARUM – University of Bremen.

Funding details

Full funding including tuition fees and living expenses is available for this position. The scholarship covers all educational costs and provides a monthly stipend.

How to apply

Please submit your application including a cover letter, CV, academic transcripts, and contact information for two references. Applications should be sent via the online portal before the deadline.

More information can be found here

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