Senior Water/Wastewater Process Design Manager

About Parametrix

Parametrix is a 100% employee-owned consulting firm helping clients deliver resilient infrastructure, vibrant and livable communities, and environmentally sustainable solutions. We are a team of professional construction managers, engineers, management consultants, planners, scientists, and surveyors dedicated to delivering outstanding client service. We build lasting partnerships and collaborate with our clients to envision possibilities and create tomorrow, together.

Recognized as a top workplace, we’re committed to a culture that values work-life balance, professional growth, and the well-being of our people.

About the Opportunity

We are looking for a Senior Water/Wastewater Process Design Manager to join our established Water team. In this role, you will lead process and mechanical design efforts for municipal water and wastewater treatment facilities, collaborating with multidisciplinary teams to deliver innovative, sustainable solutions for our clients. You will provide technical leadership, support project delivery, mentor engineering staff, and contribute to the continued growth and success of our Water practice.

Our preference is for this position to be based in western Washington or Portland, Oregon, with opportunities to collaborate with teams throughout the region. We are also open to considering exceptional candidates outside these locations who are willing to travel to support client relationships, mentorship, team integration, and key Water division initiatives.

Your Role on the Team:

Lead process and mechanical design for municipal water and wastewater treatment facilities, including the development of plans, specifications, technical reports, and construction documents.

Provide technical oversight and quality assurance throughout project delivery, ensuring designs meet client expectations, regulatory requirements, and established engineering standards.

Manage and coordinate design efforts across multidisciplinary teams, including developing project scopes, budgets, schedules, and work plans to support successful project delivery.

Collaborate with engineers, designers, project managers, and technical specialists to develop practical, innovative, and sustainable water and wastewater solutions.

Build and maintain strong client relationships, serving as a trusted technical resource and supporting communication, coordination, and problem-solving throughout project delivery.

Provide technical guidance and mentorship to engineering and design staff, supporting professional development, knowledge sharing, and technical excellence across the Water team.

Support business development efforts through client engagement, proposal development, technical expertise, and identification of opportunities to expand our Water practice.

Contribute to continuous improvement in design approaches, technical standards, and project delivery practices.

What You Bring to the Team:

Bachelor's degree in civil, environmental, mechanical, or related engineering field.

Professional Engineer (PE) license.

15+ years of progressive experience in municipal water and wastewater planning, design, and construction, with significant experience in treatment facility process and mechanical design.

Demonstrated experience leading technical design efforts and coordinating multidisciplinary engineering teams on complex water and wastewater projects.

Strong understanding of water and wastewater treatment processes, equipment, systems, and applicable design standards.

Familiarity with engineering design tools and technologies, including Revit and Civil 3D.

Strong project management, communication, and client relationship skills, with the ability to collaborate effectively across teams and disciplines.

Ability to provide technical mentorship, solve complex engineering challenges, and contribute to innovative, sustainable project solutions.

Experience with water distribution and wastewater collection systems is a plus.

Why Join Parametrix?

Employee Ownership & Great Benefits: As a 100% employee-owned company, you will share in and contribute to Parametrix's success. You will earn stock in your Employee Stock Ownership Plan (ESOP) account and be an important contributor to our collective achievements.

Our Benefits include:

Comprehensive Healthcare (medical, dental, vision, short- & long-term disability insurance)

Employee Stock Ownership Plan (financial profit sharing)

Performance-based bonuses

401(k) Plan

Paid Time Off (both vacation & sick/wellness time accruals)

Paid Holidays

Parental Bonding Leave

Exciting, Award-Winning Project Work: Our work earns recognition for its innovation and positive impact on communities, giving you the opportunity to contribute to projects that make a difference. Learn more at https://www.parametrix.com/our-work/

Flexible Work Arrangements: We understand the importance of work-life balance and offer flexible work arrangements to support our employee-owners' diverse needs. Whether it is hybrid, remote, or in-office, we provide options that allow you to work in a way that best suits your lifestyle while staying connected and engaged with your team.

Salary Range$185,000—$200,000 USD

Compensation is determined by factors such as education, experience, location, and role. As employee-owners, we are eligible for performance-based bonuses and our salaries are reviewed annually. We value transparency and look forward to discussing our compensation structure.

Our Commitment to You

Parametrix is committed to being an inclusive workplace, where team members of all backgrounds and experiences are welcome. As an equal opportunity employer, it is our policy and culture to provide opportunities to all persons based on merit and fitness to perform job duties. Employment decisions are based solely on business needs, job requirements, and individual qualifications, without regard to race, color, religion, creed, national or ethnic origin, sex (including pregnancy), sexual orientation, gender identity or expression, marital status, religion, age (40 or older, as protected under the ADEA), disability (including physical, mental, or sensory), genetic information (including testing and characteristics), protected veteran status, or any other status or characteristic protected by applicable federal, state, or local laws or regulations.

At Parametrix, we are dedicated to encouraging an inclusive and accessible workplace. If you need any accommodations during the application or interview process, please let us know, and we will work with you to ensure your needs are met. We welcome and encourage candidates from all backgrounds to apply.

Your Information Matters

We care about protecting your privacy and handling your personal information responsibly throughout the hiring process. Our Applicant Privacy Notice explains what information we collect, how we use, share, and retain it, your privacy rights and choices, and how to contact us with questions or requests.