Jacobs is seeking an experienced Environmental Scientist / Ecological Risk Assessor to support complex site characterization and remediation projects primarily within a CERCLA Remedial Investigation / Feasibility Study (RI/FS) framework. This role is ideal for a mid-level professional with strong technical expertise in ecological risk assessment and experience working directly with regulatory agencies, DoD, and industry remediation managers. Prior consulting experience highly preferred.

Key Responsibilities
* Lead and support screening level and baseline ecological risk assessments in accordance with USEPA guidance to support RI/FS investigations and remedial decision-making.
* Develop conceptual site models, exposure models, and risk characterizations for aquatic and terrestrial ecosystems.
* Perform ecological receptor exposure modeling, food-web and bioaccumulation analyses, and interpretation of toxicity data.
* Prepare regulatory-quality reports and technical de...