
Parsons Corporation
Multinational technology‑driven engineering and infrastructure firm serving government and private sectors.
Senior Engineering Manager - Hydrology & Drainage
Lead hydrology and drainage design for transportation infrastructure projects.
Job Highlights
About the Role
Our Seattle office is hiring a Senior Engineering Manager to lead the hydrology and drainage practice supporting transportation projects in the Pacific Northwest and national initiatives. You will act as the primary interface with internal design teams, clients, and JV partners on both conventional and design‑build projects, overseeing drainage designs for road, highway, rail, and transit projects across the US West. Projects include new urban highway design, rehabilitation, railroad grade separations, bypass lanes, lane widening, street interchange reconfigurations, and rail and transit facilities. You will manage design of all drainage elements such as hydrologic analysis, inlet and storm‑sewer design, ditch and channel work, cross drains, retention/detention basins, water‑quality analysis, outfall design, and on‑ and off‑site drainage facilities. You will function as the Engineering Drainage Design Manager on projects of any size, guiding engineers and design personnel toward technical excellence and quality improvement. You will assist with budget estimates, staffing plans, and may take on additional administrative and technical duties. • Lead drainage design for road, highway, rail, and transit projects across the US West. • Manage all drainage elements: hydrologic analysis, inlet, storm sewer, ditch, channel, cross drain, basin, water quality, and outfall designs. • Prepare storm‑water plans, permit applications, drainage criteria, design reports, and pond siting documents. • Oversee design teams, ensure code compliance, provide PE seal/signature, and drive quality improvement. • Determine budget estimates and staffing requirements for project scopes and schedules. • Mentor and develop junior drainage engineers, building a premier design group.
Key Responsibilities
- ▸drainage design
- ▸hydrologic analysis
- ▸storm sewer
- ▸water quality
- ▸design oversight
- ▸budget estimates
What You Bring
As a leader you must demonstrate experience preparing storm‑water plans, permit applications, drainage criteria documentation, design reports, and pond‑siting reports for highway projects. You will ensure compliance with applicable codes and regulations, providing the professional engineer seal and signature when required. We seek a candidate with a civil engineering degree, 15‑20+ years of water resources engineering design experience, and a Professional Engineer (PE) license. Experience with WSDOT design‑build work is essential, and the role requires the ability to lead and mentor a premier group of drainage design engineers. • Hold a Civil Engineering degree with 15‑20+ years water resources experience, PE licensure, and essential WSDOT design‑build experience.
Requirements
- ▸civil engineering
- ▸pe license
- ▸water resources
- ▸15+ years
- ▸wsdot
- ▸leadership
Benefits
This position is part of our Critical Infrastructure team, delivering projects that improve community quality of life, promote economic growth, enhance mobility, and increase sustainability and resilience. Salary ranges from $144,800 to $260,600 and we provide best‑in‑class benefits including medical, dental, vision, paid time off, ESOP, 401(k), life insurance, flexible schedules, and holidays. • Salary $144,800‑$260,600 plus comprehensive benefits: medical, dental, vision, PTO, ESOP, 401(k), life insurance, flexible schedule.
Work Environment
Office Full-Time