Senior Project Manager Water/Wastewater
Engineering
Seattle, Washington Direct Hire Feb 4, 2026

Flux Resources is seeking a Senior Project Manager Water/Wastewater for one of our clients in Washington state. This person can work out of Bellevue, Olympia, or Seattle.


Key Responsibilities:

Program & Project Leadership
  • Lead and manage large, complex water/wastewater programs with multiple stakeholders, subconsultants, and long-term phased deliverables.
  • Oversee the planning, design, and execution for water and wastewater systems, including water supply and storage, water and wastewater pumping and conveyance and treatment systems.
  • Drive project financial success, managing budgets, forecasting revenue, and ensuring high profitability.
  • Ensure seamless coordination between engineering teams, regulatory agencies, and municipal clients.
Client & Business Development
  • Serve as a strategic advisor to municipal agencies, developing and maintaining strong client relationships across the Puget Sound region.
  • Actively lead business development initiatives, including identifying opportunities, securing new work, and expanding regional footprint.
  • Represent our client at industry events, professional organizations, and community initiatives to strengthen relationships and market presence.
Team Leadership & Mentorship
  • Build and develop high-performing, cross-disciplinary project teams.
  • Provide mentorship and guidance to mid-level project managers, ensuring knowledge transfer and leadership development.
  • Establish clear expectations, accountability, and a collaborative team culture to successfully deliver project outcomes.
Financial & Operational Oversight
  • Oversee project financials, including contract negotiations, invoicing, accounts receivable, and profitability tracking.
  • Ensure project revenue portfolio falls within the $2M - $5M range or serve as a Program Manager overseeing multiple high-value projects.

What You Bring

Required Qualifications:

  • Bachelor’s degree in Civil or Environmental Engineering or a related field. 
  • Registered Professional Engineer (PE) in Washington (or ability to obtain within 6 months of hire) 
  • 10 - 15 years of experience in municipal water/wastewater engineering, including project management. 
  • Strong written and verbal communication skills, with experience leading multidisciplinary teams and engaging directly with public agencies. 
  • Demonstrated success in project management, business development, and strategic client engagement. 
  • Demonstrated ability to build and develop client relationships in the water and wastewater industry 

Preferred Qualifications:

  • 15+ years of experience in municipal water/wastewater engineering. 
  • Existing local relationships are a plus but not required. 
  • Expertise in public sector project delivery, long-term capital improvement planning, and regulatory compliance. 
  • Experience managing large-scale, multi-phase projects with significant complexities, including stakeholder coordination, subconsultant management, and phased funding. 
  • Experience managing project revenue portfolio within the range of $2M - $5M.  
  • Proven ability to lead business development efforts, secure contracts, and expand regional market presence. 

What We Offer?

We foster an environment where talented professionals have the freedom and support to do their most meaningful work. Our values and company culture form the foundation of our success, creating a positive and collaborative work environment. These guiding principles are vital to our continued achievements and unwavering commitment to improving the world around us.
As a member of our team, you will have the opportunity to cultivate and develop your skills and work alongside talented colleagues who are committed to improving the quality of life while demonstrating stewardship of the built and natural environments.

Benefits:

  • Comprehensive health coverage: Medical, Dental, Vision, Disability, and Life Insurance
  • Financial wellness: Health Savings Account (HSA) and Lifestyle Spending Account with employer contributions
  • Professional development: Support for continuing education and training opportunities.
  • Work-life balance: Paid Time Off (PTO) and Holiday Pay
  • Work Schedule: Flexible 9/80 schedule—every other Friday off!
  • Retirement: 401k plan
  • Wellbeing focus: Holistic Wellbeing Program centered on physical, emotional, financial, career, and community health
  • Growth opportunities: Access to mentorship, professional support, and pathways for career advancement
  • Potential salary range: $170,000 - $200,000

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