In this role, you'll provide consistent, defensible, and practical approaches for PFAS technical evaluations, CERCLA decision-making, drinking-water evaluations, risk communication, data interpretation, and emerging treatment or source-control efforts for the U.S. Navy and Marine Corps through the award-winning Navy Comprehensive Long-Term Environmental Action Navy (CLEAN) Program. As a PFAS SME, you'll work directly with project managers, engineers, geologists, chemists, hydrogeologists, risk assessors, data validators, GIS specialists, field teams, subcontractors, Navy and NAVFAC stakeholders, and federal, state, and local regulators.