Experienced Water Resources/Stormwater Engineer
Listed on 2026-05-11
-
Engineering
Environmental Engineer, Water Engineer, Water Management, Environmental Compliance
Position :
Primary
Location:
US-WA-Seattle
Do you want to build an impactful career to change the world for the better? Geosyntec has an exciting opportunity for an Experienced Water Resources / Stormwater Engineer in our Seattle, Washington office. The position will work with a collaborative team of civil engineers and geologists delivering stormwater and water resources solutions for public- and private-sector clients, including hydrologic/hydraulic analyses, drainage and BMP design, water quality treatment and permitting support, construction-phase compliance, watershed/stormwater planning, and project delivery leadership.
Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.
We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.
Essential Duties and Responsibilities- Lead and review hydrologic and hydraulic (H&H) analyses/modeling for small and large watersheds (e.g., rainfall-runoff, pipe/channel conveyance, detention/retention, and floodplain hydraulics), including model selection, assumptions, calibration, and documentation.
- Lead planning and design of stormwater and water resources projects including drainage improvements, watershed/basin planning, green infrastructure / low impact development (LID), water quality treatment BMPs and treatment systems, erosion and sediment control, and stream/ditch rehabilitation.
- Oversee engineering calculations, design deliverables, and coordination with CAD/GIS staff; perform QA/QC reviews of plans, specifications, and technical deliverables to meet internal standards and client/regulatory requirements.
- Serve as technical lead for stormwater monitoring, permitting, and compliance (e.g., NPDES/MS4, construction stormwater, industrial stormwater), including developing/reviewing SWPPPs, data collection plans, and related inspection/reporting documentation, supporting consistent compliance programs, and coordinating with agencies and stakeholders as needed.
- Prepare and review technical memoranda, calculations packages, design reports, and exhibits (figures, maps, and plan sheets); as appropriate, sign and seal engineering deliverables in accordance with licensure requirements.
- Develop and deliver operations, maintenance, and/or operator training materials to support implementation and long-term performance of stormwater treatment BMPs and treatment systems.
- Provide technical direction and mentorship to junior staff; coordinate multi-disciplinary teams (engineers, geologists, scientists) to meet scope, schedule, quality, and safety expectations.
- Manage projects and major tasks: define scope, level of effort, schedules, and budgets; lead work planning; track progress and burn rates; manage subconsultants; and support change management and risk identification for multiple concurrent assignments.
- Serve as a key point of contact for clients and project stakeholders; communicate proactively, facilitate meetings, and present strategic updates, milestones, and actionable recommendations to technical and non-technical audiences (including public meetings and City Council/boards, as appropriate).
- Lead and support proposals and business development activities (e.g., develop scopes, work plans, and cost estimates; contribute to client strategy) and support staff development through coaching and performance feedback.
- Share knowledge internally and represent the firm through participation in industry organizations and conferences.
- Bachelor's degree in civil engineering or environmental engineering (or closely related discipline) with coursework/emphasis in water resources, stormwater, hydrology/hydraulics. (required)
- Master's degree in civil or environmental engineering with an emphasis in water resources, stormwater, hydrology/hydraulics, or a closely related discipline. (preferred)
- Professional Engineer (P.E.) license (active). Washington P.E. preferred; if currently licensed in another state, ability to obtain Washington licensure by comity/reciprocity within 6 months of hire. (required)
- At least 7 years (8+ years preferred) of related stormwater/water resources experience delivering planning, design, and project execution in consulting and/or regulated industry environments. (required)
- Experience with H&H modeling/design tools such as EPA-SWMM, HEC-HMS, HEC-RAS, Hydro
CAD (or similar), plus CAD and GIS platforms (e.g., AutoCAD/Civil 3D…
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