PhD student in environmental geomicrobiology (EML) 1

Mission

The Environmental Microbiology Laboratory (EML) studies microbial processes in the subsurface with a focus on contaminant transformations and the nitrogen cycle. The research performed at EML aims at understanding fundamental microbial and abiotic processes and at providing science-based solutions to environmental challenges including aquifer contamination, nuclear waste disposal, and greenhouse gas emissions.

Main duties and responsibilities

• Investigate microbial uranium reduction in seawater
• Use reactors to simulate marine sediments and the role of organic carbon in uranium reduction
• Perform laboratory experiments
• Participate in general laboratory tasks
• Perform first-class scientific research
• Write publications
• Attend and present at international conferences.

Profile

• Educational background in environmental microbiology or geochemistry (or geomicrobiology)
• Computer skills: Word, Excel, Powerpoint, some experience with at least one programming language
• Language: fluent English
• Self-motivation, scientific curiosity, critical thinking and rigor in experiment work, good communication skills and ability to work as part of an international team
• Enthusiasm, willingness to learn, good organizational skills

We offer

• An opportunity to develop a scientific career in environmental microbiology and geochemistry an opportunity to learn high-end techniques and approaches
• The opportunity to build a scientific network in the field of microbiology research excellent research conditions and competitive remuneration
• A multi-cultural and stimulating scientific environment

Informations

Your application should contain:

• Motivation Letter
• Detailed CV
• At least 2 references willing to write a recommendation letter. No need to submit the letters at this time.

Application deadline: 20.01.2026

Duration: 1-year fixed-term contract that is renewable to 4 years according to EPFL rules

For questions or more information, please contact: Chantal.mellier@epfl.ch