Postdoc, Exploring the deep biosphere in Arctic marine sediments

4 days ago


Copenhagen, Copenhagen, Denmark Past Global Changes Full time
Postdoc, Exploring the deep biosphere in Arctic marine sediments - Copenhagen, Denmark

Are you interested in environmental microbiology, the deep biosphere, and Arctic climate change?
The Geological Survey of Denmark and Greenland (GEUS) are looking for a postdoctoral microbiologist to join their interdisciplinary research group dedicated to the study of past climate and ecosystem changes in the marine Arctic.
You will join an international and dynamic research group within the Department of Glaciology and Climate at the Geological Survey of Denmark and Greenland (GEUS) where you will be employed in the project "The paleogenetic signatures of climate change on Arctic marine ecosystems", funded by the Villum Foundation. The position will be commencing September 1st 2025 or as soon as possible thereafter for a period of 3 years (36 months).

Salary and terms of employment are in accordance with the relevant trade union agreement. The appointment area is the Ministry of Climate, Energy and Utilities and its institutions. The Ministry of Climate, Energy and Utilities considers diversity to be an asset and encourages anyone regardless of gender, age, religion or ethnicity to seek the position.

Description

Marine sediments harbor microbial communities that play key roles in biogeochemical cycles. However, the deep biosphere extending hundreds of meters down into the seafloor is still relatively underexplored in the Arctic. They have collected marine sediment cores >200 m deep into the seafloor during a deep drilling expedition off Northwest Greenland with the International Ocean Discovery Program (IODP).

On this material and further sediment cores from the Arctic Ocean, the successful candidate will study the microbiomes of the deep biosphere to understand (1) the impacts of past climate oscillations on microbial diversity and composition, (2) the microbiome's influence on biogeochemical cycles, and (3) the influence of the living microbial community on the preservation potential of marine sedimentary ancient DNA.

Tasks

Common tasks involve sediment core sampling, DNA and RNA extractions, and metagenomic shotgun/transcriptome sequencing. The role therefore requires expertise in molecular genetic lab work as well as in taxonomic and functional microbial diversity (i.e. gene predictions and functional pathway reconstructions). The candidate will join a vibrant and international research group investigating changes in the Arctic cryosphere and ecosystems, with a primary focus on Greenland.

Requirements

The appointment will be made based on academic qualifications. You hold a PhD degree (or have at least submitted your PhD thesis for assessment) in Biology, Microbiology, Geosciences, Environmental Sciences or related disciplines and have documented experience in processing and analysing high-throughput sequencing data, with focus on environmental DNA, metagenomics, or transcriptomics. Ideally, you are familiar with marine ecosystems, the deep biosphere or marine microbiomes and the necessary bioinformatic and statistical analyses of such data (e.g. taxonomic assignments, gene prediction, phylogenetics).

The department places a high value on cross-disciplinary and cross-institution collaborations, as well as team-level outreach activities. Proficiency in English is required, and organization and communication skills are important. A curious, creative, and flexible mindset, and an interest in working as part of a multi-disciplinary team are also important.

The full job description including details about the employment procedure and how to apply can be found here:

If you are interested in the position, GEUS would like to hear from you. The application must include a CV, incl. your ORCID, a list of publications with a separate indication of articles registered in ISI Web of Science and any copies of individual publications of particular relevance to the position. Please enclose Master's and PhD diplomas in either Danish or English as well as other material documenting qualifications at postdoc level. Submitted PhD theses that have not yet been defended may be sent with the application and will be included in the assessment. If possible, please provide a pre-approval.

Please apply for the position by clicking "Apply for position" on the GEUS webpage, provided by the link above. They must have your application at the latest on April 2nd 2025 (Danish time).

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