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Project Manager – Stormwater, Water Resources
Job in
Costa Mesa, Orange County, California, 92626, USA
Listed on 2026-07-21
Listing for:
Jobtailor
Full Time
position Listed on 2026-07-21
Job specializations:
-
Engineering
Water Engineer, Environmental Engineer, Water Management, Environmental Compliance & Protection
Job Description & How to Apply Below
- Manage and support stormwater/MS4 permit compliance, water quality planning, and BMP design projects for municipal, public agency, developer, and private‑sector clients, with emphasis on Orange County and Southern California regulatory programs.
- Provide technical and regulatory support for NPDES/MS4 permit compliance, municipal stormwater program implementation, industrial/commercial inspection programs, annual reporting, program effectiveness assessments, and construction stormwater compliance.
- Prepare, review, and implement Water Quality Management Plans (WQMPs), Stormwater Management Plans (SWMPs), Stormwater Pollution Prevention Plans (SWPPPs), stormwater compliance plans, hydro modification analyses, runoff calculations, and related regulatory submittals.
- Lead or support the planning, siting, sizing, and design of site design, source control, treatment control, infiltration, and drywell BMPs consistent with Orange County BMP Design Manual requirements, local implementation plans, and applicable regional MS4 permit criteria.
- Evaluate site‑specific hydrologic and hydrogeologic conditions to support stormwater capture, infiltration feasibility, drywell sizing, water quality treatment, and drainage design decisions.
- Develop and review stormwater and civil design components, including LID features, infiltration BMPs, drywell systems, bioretention systems, permeable pavement, detention/retention facilities, grading concepts, drainage improvements, and erosion and sediment control measures.
- Apply hydrologic and hydraulic modeling, drainage calculations, water quality sizing methods, and design documentation using tools such as Civil 3D, ArcGIS, Hydro Calc, EPA SWMM, HEC-RAS, and related platforms.
- Support plan check, permit coordination, and agency consultation with municipalities, Orange County agencies, Regional Water Quality Control Boards, public works departments, and other regulatory stakeholders.
- Conduct and coordinate site visits, stormwater inspections, industrial/commercial facility inspections, BMP condition assessments, construction‑phase observations, and other field‑based activities, as needed.
- Prepare technical memoranda, water quality plans, engineering calculations, design reports, figures, specifications, cost estimates, permit support materials, and client‑ready deliverables.
- Coordinate technical deliverables with CAD/GIS staff, including plan exhibits, water quality inventories, maps, and design support materials.
- Manage project scope, schedule, budget, quality, and client communications for multiple concurrent assignments in a consulting environment.
- Build and maintain strong relationships with municipal staff, agency representatives, engineers, architects, developers, contractors, and internal Geosyntec colleagues.
- Mentor junior staff, review technical work products, provide training and QA/QC oversight, and contribute to multidisciplinary project delivery.
- Support business development, proposal preparation, public‑sector client engagement, client relationship management, and other contributions consistent with Geosyntec’s sell‑manage‑do business model.
- Bachelor’s degree in environmental studies, environmental science, civil engineering, environmental engineering, water resources, or a closely related discipline with emphasis on stormwater, water quality, drainage, municipal infrastructure, planning, or regulatory compliance.
- Master’s degree in environmental science, water resources management, environmental management, civil engineering, environmental engineering, or a related discipline. (preferred)
- Professional registration (i.e., P.E.) in California or demonstrated progress toward California registration.
- Stormwater‑related certifications such as QSP/QSD, CPSWQ, or similar credentials. (preferred)
- At least 7 years of related experience in stormwater, water resources, environmental consulting, municipal compliance, BMP design, or related technical consulting, including experience managing projects, budgets, staff, or client relationships; or equivalent combination of education and experience. (required)
- Demonstrated experience supporting Phase I and Phase II MS4 permit…
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