Subsurface Reactive Fate & Transport Modeling Scientist

Job description

Savannah River National Laboratory (SRNL) is seeking a midcareer scientist with strong expertise in subsurface reactive fate and transport modeling to support research and mission-driven applications focused on environmental remediation, groundwater protection, and long-term stewardship at the Savannah River Site (SRS) and other DOE-managed lands. The successful candidate will develop, apply, and communicate advanced numerical models to predict the coupled hydrologic, geochemical, and biological processes governing contaminant behavior in complex subsurface environments. This role supports SRNL’s mission to deliver credible science-based solutions that ensure the protection of human health and the environment. The position involves technical leadership, collaboration across multidisciplinary teams, mentoring of early-career staff, and direct interaction with DOE customers and regulatory stakeholders. Technical Modeling & Analysis: - Develop and apply reactive transport models (e.g., PFLOTRAN, TOUGHREACT, CrunchFlow/CrunchTope, PHREEQC, HYDRUS, COMSOL, FEFLOW) to evaluate contaminant fate, plume evolution, and remedial strategy performance. - Integrate aqueous geochemistry, sorption...