Senior Stormwater Engineer

Company: KPFF Consulting Engineers
Location: Seattle
Posted on: February 15, 2026

Job Description:

Job Description Job Description Company Description KPFF, a multi-office, multi-discipline engineering firm, is committed to Excellence, Trust, Relationships, Stability, and Passion. For over 60 years KPFF has been providing creative solutions and excellent client service for a diverse range of projects and industries. Our 1,400 professionals in 30 offices nationwide thrive in a decentralized structure, offering abundant flexibility and numerous opportunities for professional growth. At KPFF, join a legacy of excellence where every team member has the opportunity to contribute to innovative solutions and meaningful projects. To learn more about us and the projects we work on, visit our website at www.kpff.com. Job Description KPFF Seattle’s Transportation Team focuses on designing infrastructure that moves people and connects communities across the region. We work on a wide range of transit and transportation projects, including roadway and trail improvements, fish passage enhancements, and major infrastructure efforts throughout the Puget Sound and Pacific Northwest. Our team supports projects from early planning and feasibility through design, permitting, and construction. We collaborate closely with public agencies, transit authorities, contractors, and fellow engineers to deliver thoughtful, sustainable solutions that improve mobility, restore natural systems, and strengthen the built environment. Located in downtown Seattle, our office is seeking an experienced Senior Stormwater Engineer to support major projects throughout the Pacific Northwest. This position will support transportation projects and associated hydraulic elements, primarily stormwater design. This position requires the candidate to utilize their expertise in water resources engineering related projects, including stormwater facilities design; surface water hydrology and hydraulic analysis and design; culvert and bridge hydraulics; stream and habitat restoration analysis and design; preparation of engineering and construction plans, specifications, and estimates; and coordination with regulatory agencies for project permitting. It will be the responsibility of the position to perform engineering design and to provide a high-quality product to our clients. Position Responsibilities: This position allows you to work as part of a multi-disciplinary team with clients in the public sector and work on all phases of transportation projects. Responsibilities include: Support a wide range of engineering projects for roadway and transit improvements, bicycle and pedestrian facilities, site development, fish passage, and ecological restoration. Perform stormwater related design, analysis, and report generation for roadways, bridges, airports, and related transportation infrastructure. Provide detailed engineering calculations for design of stormwater and fish passage facilities.\ Create hydrologic and hydraulic models. Responsible for design of water resources systems and facilities including hydraulic analysis for stream crossings and evaluating for fish passage and scour. Knowledge of local, state, and federal fish passage and stormwater management designs standards. Create stormwater, stream, conveyance designs, and associated grading in AutoCAD Civil 3D utilizing 3D surfaces and pipe networks. Interface with clients and public agencies on an as-needed basis. Coordinate with teammates on projects to ensure proper and timely execution. Work in a highly flexible, team-oriented environment Qualifications Minimum Qualifications: 7 years of experience in design, planning, and implementation of stormwater and hydraulic elements on transportation projects specific to hydraulic and hydrologic (H&H) design. Bachelor’s degree in Civil Engineering with Engineering in Training certification. Experience with design of stormwater conveyance, flow control, water quality treatment, and low impact development BMPs. Project experience with fish passage design projects including H&H modeling, culvert design, stream restoration, and associated civil design. Design experience using Washington State stormwater design manuals; DOE SWMMWW, WSDOT HRM, WSDOT Hydraulic Manual, WDFW Crossing Guidelines. Proficiency and experience using hydrologic and hydraulic modeling software; MGSFlood, WWHM, Stormshed 3G, and HEC-RAS. H&H design calculation experience including conveyance sizing, basin hydrology, culvert sizing, and scour calculations. Experience creating construction plan sets, specifications, and cost estimates. Working proficiency in AutoCAD Civil 3D. Strong communication skills for coordination with clients and team members. An energetic individual with high ethical standards and an appropriate professional image. Additional Information Physical Demands: Duties are primarily conducted in a standard office setting, requiring prolonged periods of sitting at a desk or computer table. Occasionally may be required to lift objects weighing up to 15 lbs. Occasionally visiting project locations and performing field inspections which may involve walking, standing, kneeling, or navigating uneven terrain. Traveling to project sites or client meetings, which may involve driving or flying. Compensation: The base salary for this role is competitive and will be determined based on the candidate's experience, education, and skills. The expected range for a qualified candidate is $120,000 - $150,000 annually. Additionally, we offer performance-based bonuses to recognize and reward outstanding contributions in each Reporting Center. During the interview process, we'll provide detailed information and address any questions you may have about the overall compensation package and benefits. Benefits provided by KPFF include: An excellent 401K retirement savings plan with employer contributions Medical insurance Dental insurance, with a no-premium option Vision insurance, with a no-premium option Health Savings Account (HSA) option with employer contribution Medical Flexible Spending Account (FSA) option Dependent care FSA option Employee Assistance Program Group life insurance Short-term disability insurance Long-term disability insurance Seven paid holidays and two floating holidays 10 vacation days annually, which increases with years of service. 10 days of personal and sick time to care for yourself and family members. Up to one-week (five business days) paid jury duty per year. Six weeks of supplemental paid family leave Travel accident insurance Subsidized ORCA bus/rail pass LI-Hybrid LI-BD1 KPFF Consulting Engineers participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. KPFF Consulting Engineers is an equal opportunity employer and considers all qualified applicants for employment without regard to race, color, creed, ethnicity, national origin, religion, marital status, sex/gender (including sexual orientation or gender identity), pregnancy, veteran status, citizenship status, physical or mental disability, or any other protected basis.

Keywords: KPFF Consulting Engineers, Bellevue , Senior Stormwater Engineer, Engineering , Seattle, Washington