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Industrial Wastewater Engineer

Mukilteo, Washington, United States; Puyallup, Washington, United States; Seattle, Washington, United States; Silverdale, Washington, United States; Spokane, Washington, United States; Tacoma, Washington, United States

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 an experienced Industrial Wastewater Engineer to support our Greater Washington Environmental Planning and Compliance (EP&C) team. You’ll support the planning, permitting, design, and improvement of wastewater systems, with a particular focus on regulatory compliance and discharge permitting. The ideal candidate brings strong knowledge of NPDES and state-specific discharge permits, including Water Pollution Control Facilities (WPCF) permits, and can help clients navigate complex federal, state, and local requirements. This is also an opportunity to serve as a technical resource and mentor, helping early-career engineers and technical staff strengthen their knowledge of wastewater permitting. The position will be based in one of our Washington offices, with flexibility for a hybrid/remote schedule based on team integration, project needs, and experience level.

Your Role on the Team:

  • Interpret regulatory requirements and develop the policies, plans, and procedures needed to support compliance.
  • Track, review, and assess federal, state, and local legislation and regulations related to stormwater and discharges to surface water and groundwater.
  • Prepare compliance documents, technical reports, and other written materials related to NPDES and state-specific discharge permits.
  • Prepare permit applications, renewal applications, modifications, and regulatory agency reports.
  • Develop water balances, process flow diagrams, and process equipment recommendations.
  • Support the planning, design, rehabilitation, and improvement of municipal and industrial wastewater systems.
  • Collaborate with clients, regulatory agencies, engineers, and other technical professionals.
  • Mentor developing engineers and technical staff in wastewater permitting and regulatory compliance.
  • Manage assigned work within established budgets, schedules, and resource plans while maintaining high-quality technical outcomes.

What You Bring to the Team:

  • Bachelor’s degree in chemical, civil, environmental, mechanical, or a related engineering discipline; a master’s degree is preferred.
  • Five or more years of experience supporting the design and permitting of wastewater projects.
  • Professional Engineer (PE) license in Washington or Oregon, or the ability to obtain licensure within one year of hire.
  • Strong knowledge of wastewater permitting and applicable federal, state, and local regulatory requirements.
  • Experience with NPDES permits and state-specific wastewater discharge permits, including WPCF permits.
  • Experience supporting wastewater and recycled water permitting in Washington, Oregon, Idaho, or other Western states.
  • The ability to interpret complex regulations and translate them into clear, practical guidance for clients and project teams.
  • Experience with routine wastewater pumping and monitoring.
  • Familiarity with industrial wastewater facilities, operations, design standards, and construction practices.
  • Experience preparing clear, well-organized permit applications, regulatory reports, and technical documents.
  • Familiarity with relevant engineering software and technical tools.
  • Strong communication, collaboration, and mentoring skills.
  • The ability to balance multiple assignments and work effectively within project budgets and schedules.

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

$100,000 - $120,000 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.

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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.

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