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Civil Engineer, PE - Water-Wastewater

Job in Seattle, King County, Washington, 98127, USA
Listing for: Tetra Tech
Full Time position
Listed on 2025-12-20
Job specializations:
  • Engineering
    Environmental Engineer, Civil Engineering, Water Engineer, Water Management
Salary/Wage Range or Industry Benchmark: 98000 - 140000 USD Yearly USD 98000.00 140000.00 YEAR
Job Description & How to Apply Below

If you are a current Tetra Tech employee, please apply for career opportunities at the internal jobs website.

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 over 50 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 work has improved more than 625 million lives 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

This role supports civil engineering design for water and wastewater treatment, pumping, and conveyance systems across the Pacific Northwest. The position includes opportunities to participate in multidisciplinary project delivery, develop project management capabilities, and provide both design and construction‑phase support.

Essential Job Functions
  • Serve as a design engineer for municipal wastewater and water infrastructure projects, including treatment facilities, pipelines, pumping systems, and collection systems.
  • Coordinate with multidisciplinary project teams to support design and project execution.
  • Lead planning activities, evaluations, and selection of preferred technical alternatives.
  • Perform conceptual and detailed design calculations and engineering analyses.
  • Prepare engineering reports, drawings, specifications, cost estimates, and related documentation.
  • Ensure use of standard engineering practices and appropriate technical documentation.
  • Resolve technical questions and support safe, timely, and cost‑effective project delivery.
  • Provide construction support, including field meetings, submittal reviews, RFIs, and shop drawing evaluations.
Required Qualifications
  • Bachelor’s or Master’s degree in Civil, Environmental, or related Engineering discipline (water/wastewater utility focus preferred).
  • Professional Engineer (PE) license in Washington, or ability to obtain by comity within 6 months.
  • 8+ years of experience in water and wastewater system design, including activated sludge systems (lagoon, oxidation ditch, sequencing batch reactor and/or membrane), pipelines, pumping systems, collection systems, and/or CSO control systems.
  • Valid driver’s license with an acceptable driving record.
  • Ability to perform hydraulic system calculations for pump stations, pressure pipelines, storm and sanitary sewer pipelines, and/or wastewater treatment plants.
  • Proficiency in AutoCAD/Civil 3D, word processing, spreadsheets, and scheduling programs.
  • Strong project management background (preferred).
  • Excellent technical writing and communication skills.
  • Interest in business and client development.
  • Active membership in PNCWA, APWA, AWWA or similar associations (preferred).
  • Ability to travel periodically, approximately 15% or more.
Preferred Qualifications
  • Strong aptitude for client engagement and business development.
  • Experience working on multidisciplinary design teams for municipal infrastructure.
Physical Requirements
  • Ability to perform typical office duties with occasional field visits to active project sites.
  • Ability to walk on uneven terrain and conduct limited field observations.
  • Ability to lift and carry up to 25 pounds as needed for field activities.
Work Environment / Environmental Factors
  • Work performed in both office and field environments, including exposure to variable weather during site visits.
  • Moderate noise levels in office settings; higher noise levels may occur during field observations.
  • Use of appropriate personal protective equipment (PPE) when on project sites.
Additional Information
  • Full‑time position based in Seattle, WA, with hybrid flexibility.
  • Periodic travel required (approximately 15% or more).
  • Salary Range: $98,000–$140,000, depending on experience and skills.
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