PhD and Postdoc Positions in Applied Geochemistry and Coupled Iron–Sulfur Cycling University of Freiburg in Germany

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...

MARUM – Center for Marine Environmental Sciences, University of Bremen is advertising two PhD positions in organic geochemistry , isotope geochemistry , palaeontology , and deep-time geobiology . The project investigates the circumstances behind the rise and ecological success of eukaryotes , with a strong focus on early life evolution. The positions are hosted by Ilya Bobrovskiy (ERC PI) and are funded through an ERC Starting Grant . The post states a 4-year duration and a salary of 75% TV-L E1...

Open PhD opportunities in Earth Science , Environmental Science , Geochemistry , and related STEM fields are highlighted in this post. Position 1: Doctoral Researcher in Organic Isotope Geochemistry (Iso-Orbi Project) at GFZ German Research Centre for Geosciences (Helmholtz), Potsdam, Germany . The role is a 36-month PhD contract starting 1 Oct 2026, funded at TVöD Bund E13, 75% (29.25 h/week), with public service benefits, flexible hours, on-site daycare, and career support. Applicants should h...

Carleton University in Canada is advertising two fully funded graduate opportunities in Environmental Microbiology and Biogeochemistry for a research project on the biodegradation of microplastics in wetlands . The project begins in fall 2026 and includes collaboration with McGill University and Environment and Climate Change Canada . One position is a PhD project supervised by Dr. Allyson Brady , focusing on natural microbial communities that can decompose microplastics, lipid biomarkers, and r...

MAGIEC Project at the University of Toronto, Canada is recruiting for 1 Postdoctoral Fellow and 1 PhD student in the Biogeochemistry Research Group led by Prof. Maria Dittrich . The project, MAGIEC ( Mudflats Across Gradients of Human Impact and Environmental Extreme: Blue Carbon Dynamics ), is an international collaboration involving Canada, Ireland, and Poland . The research examines how environmental extremes and human activities influence carbon cycling and greenhouse gas dynamics in coastal...