Environmental Engineer / Water Resources Modeler

Tetra Tech is seeking an experienced Environmental Engineer/Water Resources Modeler for their Ecological Analytics and Modeling team in Durham, NC. The role involves watershed modeling, water quality analysis, and planning projects. Candidates should have a degree in environmental or civil engineering and 10+ years of relevant experience. Responsibilities include developing models, analyzing datasets, supporting project management, and engaging with clients. The position is primarily remote.
Position
Tetra Tech is adding an Environmental Engineer/Water Resources Modeler to our Ecological Analytics and Modeling (EAM) team based in Durham, NC.


Position Summary
We are seeking an experienced Environmental Engineer/Water Resources Modeler to support complex watershed modeling, water quality analysis, and water resources planning projects. This role will contribute to the development and application of advanced hydrologic and water quality models to support regulatory programs, watershed planning, and sustainability initiatives. The ideal candidate brings strong technical expertise in watershed and receiving water modeling, experience working with diverse clients (federal, state, and private sector), and the ability to translate complex analyses into actionable insights for decision‑makers.


Essential Job Functions

Develop, calibrate, and apply watershed and water quality models (e.g., HSPF, SWAT, WASP, QUAL2Kw, CE-QUAL-W2) to support TMDLs, watershed planning, and regulatory analyses.
Perform hydrologic, water quality, and climate scenario analyses to evaluate management strategies and restoration outcomes.
Analyze and synthesize large environmental datasets (e.g., water quality, meteorological, land use) to support modeling and planning efforts.
Support the development of technical reports, modeling documentation, and presentations for clients, stakeholders, and regulatory agencies.
Collaborate with multidisciplinary teams to support water resources planning, resilience, and sustainability projects.
Engage with clients to communicate technical findings and support project delivery.
Support project management activities including scope development, budgeting, scheduling, and coordination with internal teams and subcontractors.
Contribute to proposal development and business development efforts.

Required Qualifications

Bachelor’s or master’s degree in environmental engineering, civil engineering, or a related field.
A minimum of 10+ years of experience in water resources engineering, watershed modeling, or water quality analysis.
Proven experience developing and applying hydrologic and water quality models (e.g., HSPF, SWAT, WASP, QUAL2Kw, or similar).
Proven experience with GIS and spatial data analysis tools (e.g., ArcGIS).
Strong data analysis and technical problem‑solving skills.
Experience preparing technical reports and communicating results to clients or stakeholders.

Preferred Qualifications

Experience supporting Total Maximum Daily Load (TMDL) development or regulatory modeling efforts.
Experience evaluating best management practices (BMPs) and watershed restoration strategies.
Experience with climate change impact assessments or water resilience planning.
Experience working with federal or state agencies (e.g., EPA, state environmental agencies).
Experience with agricultural or nature‑based solutions modeling.
Programming experience (e.g., Python or similar).
Experience with sustainability, water stewardship, or corporate water risk/benefit analysis.

Physical Requirements

Prolonged periods sitting at a desk and working on a computer.
Ability to occasionally travel to project sites or client meetings.

Work Environment

Work is primarily performed in a remote setting.
Work may involve collaboration across multiple time zones and teams.

Additional Information

This position is part of Tetra Tech’s Technical Services (TTS) program and may be structured as full‑time or part‑time, depending on candidate availability and project needs.
Work schedule will be flexible and aligned with active project demands.
This position is expected to support multiple concurrent projects with varying levels of effort over time.

EEO Statement
Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.


Organization: 178 TTS