Process Engineer III - SP

  • King County
  • Renton, Washington
  • Full Time
This is a competitive posting , and the position is open to all qualified candidates.
- This posting may be used to establish a list of qualified candidates for career service positions in the following 6 months.

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The King County Wastewater Treatment Division (WTD) has a staffing need for an experienced and technically proficient Wastewater Process Engineer III within the East Process Control Unit.

About the Role:

The Wastewater Process Engineer III will play a key role on the WTD Process team and perform advanced engineering duties. The successful candidate will develop, plan, and direct process feasibility studies to improve treatment process performance and research and recommend new equipment and chemicals. You will support capital project reviews/implementation, energy and chemical conservation initiatives, and complete regulatory tasks and reports. You will become an expert on our treatment plant permits (e.g., Municipal Wastewater, Puget Sound Nutrient, Industrial Stormwater, Reclaimed Water, and air permits), and help convey requirements to our Operations and Maintenance Section leadership, and the treatment operators and maintenance workers.
This is a great opportunity to embark on a career dedicated to protecting public health and the environment, working for an essential county agency and with teams of dedicated professionals. The successful candidate will be involved in the long-term treatment planning capital program and will help guide the agencys process improvements and implementation of new technologies.

About the Team:
Join our team dedicated to ensuring clean water for generations to come! With over 700 employees engaged in planning, designing, building, and operating treatment facilities, our agency is at the forefront of environmental stewardship. Success for us means upholding our legacy while promising future generations a pristine environment.

The King County Wastewater Treatment Division (WTD) protects public health and the environment of the central Puget Sound region by collecting and treating wastewater, while recovering valuable resources that would otherwise be lost. We manage a vital infrastructure that contributes to the regions economic development and provide services to 18 cities, 15 local sewer districts, the Muckleshoot Indian Tribe, and nearly two million residents across a 424-square-mile area in King, Snohomish, and Pierce counties. We enforce regulations to reduce harmful waste discharge and actively educate the public and businesses on water quality protection. Our regional wastewater treatment system not only sustains a healthy environment but also fuels economic development, fostering prosperity in our region. If you're passionate about making a difference and thrive in a collaborative environment, join us in our mission to safeguard our precious water resources.

Commitment to Equity, Racial and Social Justice:
King County, named after Dr. Martin Luther King, Jr., is a diverse and vibrant community that represents cultures from around the world. Our True North is to create a welcoming community where everyone can thrive. We prioritize equity, racial and social justice, making it a foundational and daily expectation for all employees. As a Process Engineer III you will actively apply these principles in all aspects of your work. Learn more about our commitment at of King County Department of Natural Resources & Parks (DNRP). Join our talented workforce in protecting and restoring the natural environment and promoting more resilient, sustainable, and equitable communities. Enjoy training, , and growth opportunities. What You Will Be Doing :
  • Act as the technical engineering expert in process equipment, systems, and processes.
  • Review and provide feedback on project scopes, engineering plans and specifications to ensure compatibility with existing facilities.
  • Review and evaluate start-up and commissioning procedures for new equipment.
  • Research projects to optimize existing plant processes to ensure maximum performance and cost-effective operation.
  • Serve as client representative for capital projects and perform start-up work associated with these projects. Prepare progress reports, project proposals and technical reports.
  • Monitor process and equipment health and partner with other work groups during process upset.
  • Backfill for the Process Control Supervisor.

Qualifications You Bring :
  • Bachelors degree or higher in an engineering field, or equivalent combination of education and experience, in a physical science, engineering field, and/or wastewater, ranging from certificate programs through doctorate degrees and post graduate work.
  • Skill in oral and written communication techniques and principles to be measured through a detailed review of submitted materials (e.g., cover letter, resume, and answer to supplemental questions).
  • Computer proficiency, as measured through familiarity with and use of general software (Microsoft suite applications such as Teams, Outlook, and Excel) and/or through familiarity with and use of industry specific software (e.g., Lab Information Management Systems, Distributed Control Systems, Water Information Systems, and Computerized Maintenance Management Systems).
  • 8+ years of professional wastewater working experience, at municipal treatment plants, wastewater consulting firms, education/research institutions, and/or industrial manufacturers with on-site treatment plants.

Competencies You Must Bring:
  • Optimizes Work Processes - Knowing the most effective and efficient processes to get things done, with a focus on continuous improvement.
  • Communicates Effectively - Developing and delivering multi-mode communications that convey a clear understanding of the unique needs of different audiences
  • Collaborates - Building partnerships and working collaboratively with others to meet shared objectives.
  • Decision Quality - Making good and timely decisions that keep the organization moving forward.
  • Plans and Aligns - Planning and prioritizing work to meet commitments aligned with organizational goals.
  • Manages Complexity - Making sense of complex, high quantity, and sometimes contradictory information to effectively solve problems.

Required Licenses or Certification:
  • Professional Engineer license (PE) - any state, with ability to get a Washington PE within one year and/or a Washington State Wastewater Treatment Plant Operator Group IV certificate (or ability to obtain in 12 months).
Working Conditions:
  • Onsite and Remote Work Details: Employees in this role work primarily onsite, with the potential to work from home 1 day out of the week or as needed. Onsite reporting location is at South Plant, 1200 Monster Rd SW, Renton, WA 98057. This work arrangement promotes work-life-balance and reduces carbon footprint under the departments vision.
  • Work Schedule: This full-time position works a 40-hour work week with flexible schedules. This position is not covered under the provisions of the Fair Labor Standards Act (FLSA) and is not overtime eligible.
  • Union Representation: This position is represented by S.E.I.U L925.
Application and Selection Process:
We welcome applications from all qualified applicants. We value diversity, diverse perspectives and life experience and encourage people of all backgrounds to apply.
Application materials will be screened for clarity, completeness and alignment with the experience, qualifications, knowledge, and skills essential for this role to determine which candidates may be invited to participate in one or more panel interviews.

To apply, submit a:
  • Complete Application
  • Resume (Required)
  • Cover Letter (Required)
  • Answers to Supplemental Questions
Note: Additional documents won't be considered during minimum qualification screening.

Who to Contact: For more information regarding this recruitment, please contact Delores Venters at ...

Discover More About the Wastewater Treatment Division: Visit our Facebook , X (formerly Twitter) , Instagram , YouTube and our .

Discover More About DNRP: Visit our of our recent accomplishments and check us out at Facebook , X (formerly Twitter) , LinkedIn , Instagram , YouTube and Keeping King County Green News .

Sign up for to be notified of additional career opportunities with King County. Select the Natural Resources category for DNRP opportunities and explore other categories of interest.

Forbes named King County as one of Washington State's best employers.

Together, with leadership and our employees, we're changing the way government delivers service and winning national recognition as a model of excellence. Are you ready to make a difference? Come join the team dedicated to serving one of the nation's best places to live, work and play.

Guided by our "True North" , we are making King County a welcoming community where every person can thrive. We value diversity, inclusion and belonging in our workplace and workforce. To reach this goal we are committed to workforce equity. Equitable recruiting, support, and retention is how we will obtain the highest quality workforce in our region; a workforce that shares and will help advance our guiding principles - we are one team; we solve problems; we focus on the customer; we drive for results; we are racially just; we respect all people; we lead the way; and we are responsible stewards. We encourage people of all backgrounds and identities to apply, including Native American and people of color, immigrants, refugees, women, LGBTQ+, people living with disabilities, and veterans.

King County is an Equal Employment Opportunity (EEO) Employer

No person is unlawfully excluded from employment opportunities based on race, color, religion, national origin, sex (including gender identity, sexual orientation and pregnancy), age, genetic information, disability, veteran status, or other protected class. Our EEO policy applies to all employment actions, including but not limited to recruitment, hiring, selection for training, promotion, transfer, demotion, layoff, termination, rates of pay or other forms of compensation.

To Apply

If you are interested in pursuing this position, please follow the application instructions carefully. If you need this announcement in an alternate language or format, would like to request accommodation or assistance in the application or assessment process or if you have questions please contact the recruiter listed on this job announcement.

Job ID: 478029323
Originally Posted on: 5/22/2025

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