Senior Project Manager - Civil Engineering (Stormwater / Water Resources Infrastructure)

Senior Project Manager | Civil Engineering (Stormwater / Water Resources Infrastructure)

Own Your Future at Psomas! Join a 100% employee-owned firm built for long-term thinking, shared success, and meaningful impact.

As our Senior Project Manager on our Stormwater / Water Resources team in Seattle, WA, you will lead the planning, designing, analyzing and managing delivery of complex infrastructure projects (infrastructure design and modeling, green infrastructure, and regulatory compliance efforts) that support communities throughout Washington. In this strategic leadership role, you will oversee multidisciplinary project teams, strengthen client partnerships, and drive business development efforts that contribute to the continued growth of our practice.

This position is ideal for a seasoned leader who combines technical excellence with a passion for mentoring teams, developing client relationships, and delivering impactful infrastructure solutions.

Why Psomas

• Shared Success: An ownership culture that rewards long-term thinking and doing what's right.
• Retirement Benefits: Company-funded ESOP + 401(k) with immediate match.
• Hybrid Flexibility: 3 days in office/2 days remote
• Career Growth: Clear pathways, coaching, and leadership development.
• People-First Culture: Collaborative teams that invest in your development.
• Meaningful Work: Community-impact projects plus ways to give back.

What You'll Do As a Senior Project Manager, you will lead stormwater / water resources infrastructure projects while helping grow our team and client base.

• Project Leadership Lead the planning, design, and delivery of stormwater and water resources infrastructure projects throughout Washington.
• Client Partnerships Develop and maintain strong relationships with municipalities, agencies, and key stakeholders.
• Business Development Support pursuit planning, proposals, presentations, and strategic growth initiatives.
• Technical Oversight Review engineering plans, specifications, and deliverables to ensure quality and compliance.
• Project Management Manage scope, schedules, budgets, staffing, and overall project performance.
• Team Development Mentor and supervise engineers and technical staff while fostering a collaborative culture.
• Infrastructure Design Provide technical leadership in flow control and runoff treatment facility design, hydraulic analysis and reporting, low impact development (LID), and compliance with the WSDOT Highway Runoff Manual, Ecology, and local stormwater codes.

Required Qualifications

• Bachelor's degree in civil engineering or environmental engineering
• Professional Engineer (PE) license in Washington
• 15+ years of experience managing stormwater / water resources infrastructure projects
• Proven experience delivering stormwater and water resource projects throughout Washington
• Strong leadership, business development, and team-building skills
• Experience with stormwater design, hydraulic analysis, flow control/runoff treatment facility design for local agencies, WSDOT, and transit agencies, providing code compliance, technical guidance, and practical solutions
• Experience supervising engineers and designers
• Experience preparing technical specifications, engineer's estimates, schedules, and proposals
• Excellent communication and client relationship skills

Preferred Qualifications

• Experience with stormwater and hydraulic modeling software such as MGSFlood, WWHM, StormShed, or HI-RUN
• Proficient with Bluebeam Revu, Microsoft Word, Excel, and Power Point
• Demonstrated success leading strategic growth initiatives and multidisciplinary teams

Compensation & Benefits

• Salary: $160,000-$205,000 annually, commensurate with experience
• Incentives: Discretionary bonus and recognition programs
• Time Off: 4 weeks PTO plus 8 paid holidays
• Total Rewards: Comprehensive medical, dental, and vision coverage for you and your family, plus employee ownership and retirement benefits

Our Hiring Approach Our recruiting team reviews every application personally and will keep candidates informed throughout the process. If your background aligns with what we need, we'll reach out to discuss next steps.

Equal Opportunity Employer We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, national origin, disability status, protected veteran status, sexual orientation, gender identity, or any other characteristic protected by law.