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Clean Water Act Programs Scientist​/Engineer

Job in Fairfax, Fairfax County, Virginia, 22038, USA
Listing for: Tetra Tech
Full Time position
Listed on 2026-10-30
Job specializations:
  • Engineering
    Environmental Compliance & Protection, Environmental Engineer, Water Engineer
Job Description & How to Apply Below
The Opportunity:

Tetra Tech is seeking a Clean Water Act Programs Scientist/Engineer to apply technical expertise to complex water-resources and policy challenges. This position will report to our Fairfax, Virginia, office.  Why Tetra Tech:

At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For 60 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development.

Our science-based planning and design improves lives in our local communities and around the world.

Your Impact:

Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

Position Summary:

We’re seeking a Clean Water Act Programs Scientist/Engineer to join our team of scientists and engineers. In this role, you will lead and support projects involving Clean Water Act program development, implementation, and improvement; permitting; water-quality standards; environmental policy; watershed planning and management; and point-source discharge  this position, you will apply your technical knowledge, expertise, and management skills to real-world water-quality challenges, while serving our federal, state, tribal, local, and private-sector clients and mentoring junior staff on the team.

Your work will involve routine and non-routine assignments related to water quality projects of substantial variety and complexity.

Essential Job Functions:

The following duties are considered essential to the role. Reasonable accommodation may be made to enable individuals with disabilities to perform these essential functions:

Develop technical analyses supporting water pollution-reduction program development and implementation at federal, state, and local levels.

Conduct analyses to support federal, state, local, and private clients in identifying Clean Water Act compliance options.

Estimate the effectiveness and cost of water pollution control options for point sources and nonpoint sources.

Provide technical input to support clean water regulation and policy development.

Review Clean Water Act program implementation approaches and processes to identify and implement opportunities for process improvement.

Conduct technical and regulatory reviews of permit applications, water quality certification requests, and supporting documentation.

Draft permits and other regulatory products for Clean Water Act implementation.

Review technical information from journal articles, reports, and other sources.

Synthesize information and develop written products (e.g., reports, research summaries, technical guidance, training modules).Review written analyses, reports, and summaries developed by others. Facilitate meetings and give technical presentations to a broad audience. Implement QA/QC policies and procedures to meet federal and state research requirements. Manage projects, monitor budgets and schedule, and ensure accurate and timely completion of deliverables. Manage junior-level staff as part of a project;

preparing to transition to a supervisory role. Play a key role in promoting and supporting business development efforts. Communicate with clients and represent Tetra Tech in client meetings.

Required Qualifications:

Bachelor’s or master’s degree in environmental science, ecology, civil engineering, environmental engineering, or a…
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