Senior Stormwater Project Manager

Senior Stormwater Project Manager

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? We believe water is more than a resource, it's a shared responsibility. As part of our Water Business Group, you'll help shape how communities manage water for generations to come. From delivering safe drinking water and treating wastewater responsibly to developing sustainable water supplies and protecting lives and property through flood control, your work will directly support public health, environmental sustainability, and infrastructure resilience. We bring together experts across disciplines to solve complex challenges with bold thinking and technical excellence. Whether you're modernizing aging systems or pioneering innovative approaches, your contributions will make a meaningful difference in people's lives. This isn't just a job, it's a chance to lead change, drive progress, and leave a lasting legacy.

In the role of Senior Stormwater Project Manager, we'll count on you to:

• Direct and coordinate work of single or multidiscipline teams throughout the project's lifecycle (from development & initiation to close-out)
• Be responsible for all aspects of large multidiscipline projects or medium-sized projects with high degree of technical complexity, involving a large project staff
• Produce and coordinate several projects concurrently
• Establish and maintain client relations, and be involved with marketing, contractual, design and production meetings
• Conduct work sessions for deliverable development in conjunction with other staff and stakeholders
• Coordinate staffing and workload through entire project life cycle, and ensure completion of deliverables on schedule
• Track financial aspects of projects, and coordinate and adjust work effort with team to ensure that work is completed within parameters of agreed-to budget and schedule
• Work with the Accounting, Operational and Business leadership for periodic project reviews
• Implement QA/QC procedures
• Supervise large project staffs and act as mentor for less-experienced Project Managers
• Provide senior technical direction, mentorship, and quality review for multidisciplinary teams delivering stormwater planning, design, modeling, permitting, and construction support services
• Lead and supervise hydrologic and hydraulic analyses, including basin delineation, runoff calculations, conveyance capacity evaluation, detention and flow control sizing, water quality treatment sizing, and flood risk assessment
• Serve as the senior stormwater technical lead for planning, design, analysis, and delivery of drainage, conveyance, flow control, water quality treatment, green stormwater infrastructure, and low impact development projects
• Evaluate existing stormwater infrastructure and develop practical alternatives for capacity improvements, retrofit, replacement, flood mitigation, water quality compliance, and system resiliency
• Prepare and review stormwater technical reports, drainage reports, design calculations, models, specifications, construction documents, permit documents, and agency comment responses
• Perform other duties as needed

Preferred Qualifications:

• Master's degree
• PMP certification
• Washington Professional Engineer license, or ability to obtain Washington PE licensure within 6 months.
• 10 or more years of progressive stormwater engineering experience, including technical project management and leadership on transportation, public works, municipal infrastructure, or site development projects.
• 10 or more years of experience leading technical delivery across multidisciplinary teams, including coordination with clients, agencies, reviewers, discipline leads, and production staff.
• Demonstrated experience applying Washington State, local agency, and Department of Transportation stormwater requirements to drainage design, flow control, water quality treatment, green stormwater infrastructure, low impact development, permitting, and agency review comments through all stages of a project lifecycle.

Required Qualifications:

• Bachelor's degree in Engineering
• 10 years related experience
• A minimum 5 years project management experience
• Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license.
• MS Office and MS Project experience (Access experience would be plus)
• Demonstrated leadership, business development and strategic planning skills
• An attitude and commitment to being an active participant of our employee-owned culture is a must

HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve. Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement. The expected compensation range for this position depends upon skills, experience, education and geographical location. (Stated benefits are for full-time regular positions. Temporary and part-time roles eligible for limited benefits.)

Primary Location: United States-Washington-Bellevue

Other Locations: United States-Washington-Everett, United States-Washington-Spokane, United States-Washington-Olympia, United States-Washington-Seattle, United States-Washington-Gig Harbor

Industry: Water

Schedule: Full-time

Employee Status: Regular

Business Class: Stormwater / Wet Weather

Job Posting: Jun 26, 2026

At HDR, we are committed to the principles of employment equity. We are an Affirmative Action and Equal Opportunity Employer. We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.