Wastewater Process Engineer II
King County
Posted: April 3, 2026 (1 day ago)
This job was posted recently. Fresh listings typically have less competition.
City of Tacoma
Environmental Services
Location
Tacoma, Washington, 98402-3764
Salary
$41.26 - $47.77
per hour
Type
Full-Time
More Utilities & Public Works jobs →Closes
This job involves running and maintaining a wastewater treatment plant to clean sewage and protect the environment, including monitoring equipment, testing samples, and ensuring everything runs smoothly.
It's a great fit for someone with hands-on experience in water treatment who enjoys teamwork, problem-solving, and making a positive impact on public health and local waterways.
The role offers good pay, growth opportunities, and bonuses for advanced certifications in a supportive city department.

| Position Titles | Pay Range |
| Wastewater Treatment Plant (WWTP) Operator | $41.26 - $47.77 |
| Wastewater Treatment Plant (WWTP) Operator, Senior | $50.30 - $52.81 |
| Wastewater Treatment Plant (WWTP) Operations Supervisor | $55.82 - $64.62 |
An equivalent combination to:
Graduation from high school including training or course work in wastewater plant operation
AND
One year of experience in the operation of a wastewater treatment plant.
LICENSES, CERTIFICATES AND OTHER REQUIREMENTS
Valid Washington State driver's license at time of appointment with maintenance thereafter.
Valid Washington State certification as a Wastewater Treatment Plant Operator for Group I plants at time of appointment with maintenance thereafter.
Refer to this link to the Washington State Department of Ecology for information on certification: https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Wastewater-operator-certification Qualifications KNOWLEDGE:Basic tools and equipment used in the operation and maintenance of engines, motors, pumps and other equipment used in a wastewater treatment plant.Standard practices and principles of wastewater treatment plant operation.Oral and written communication skills.Methods, equipment and materials used in wastewater plant operation and maintenance.Operation, care and routine maintenance of plant equipment.Health and safety regulations.Safety techniques, testing and procedures used in handling dangerous or hazardous gases in confined spaces as related to wastewater treatment plant.Basic mathematics and laboratory testing procedures.SKILLS:Learn and apply operating procedures for the wastewater treatment plant.Apply safety procedures when working in hazardous areas or confined spaces.Read and interpret system data and adjust processes.Understand and follow oral and written directions.Communicate effectively both orally and in writing.Analyze situations accurately and adopt an effective course of action.Maintain records and logs and prepare reports.Establish and maintain cooperative and effective working relationships with other city employees.Perform minor maintenance using a variety of tools and machines.Operate heavy equipment such as dump trucks and forklifts within the plant facility.Operate motor vehicles.Evaluate by observation and inspection the effectiveness of operational processes and equipment.Run standard wastewater laboratory tests.Operate various computers used to control processes and record data.
Additional Information Application ProcessInterested individual should complete the online application and attach a resume and cover letter by the closing date and time listed on the job announcement.
Applications received without attaching the required materials may not progress in the selection process.Applicants who are eligible for veterans scoring criteria (Veterans Preference) MUST attach a copy of their DD-214 member copy 4 (proof of military discharge form) at time of application to be eligible for review for Veteran's Preference points.
Get AssistanceFor assistance with the application process or questions regarding this job announcement please contact the Human Resources office at (253) 591-5400 by 4:00 p.m.
of the closing date of the job announcement.For technical difficulties using the NeoGov system, call the applicant support line at 1-855-524-5627 between 6:00 a.m. and 5:00 p.m. Pacific Standard Time.
This will allow us to assist you before the job announcement closes.Examination Process:This is a competitive selection process.
Applicants who meet the minimum qualifications will have their responses to the Supplemental Questions # 8-12 reviewed and scored by a committee of subject matter experts, as the Experience and Training Test.
It is the responsibility of the applicants to adequately describe all pertinent experience and training.
Please make sure you read the questions and provide complete informative answers, including your roles in the position and key activities.
DO NOT respond with "see resume" in lieu of answering these questions; this will result in a failing score.
Providing false information will result in disqualification.Applicants who pass the Experience and Training test will be placed on an Eligible List for hiring consideration for a period of one year.
Appointment is subject to passing a background check and a pre-employment medical exam, physical ability test and drug screen.
This position is covered by a Collective Bargaining Agreement Agreement between The City of Tacoma and Local Union 483.
New employees must successfully complete a nine-month probationary period prior to obtaining permanent status in this classification.
Communication with the City of TacomaWe primarily communicate via email during the application process.
Emails from Tacoma.gov and/or governmentjobs.com should be placed on your safe domain list to ensure that you receive notifications in a timely manner.
As a precaution, you may also want to check your junk email folders.City of Tacoma’s Commitment to Diversity, Equity, and InclusionAt the City of Tacoma, we're on a mission to make our workforce as diverse and inclusive as the community we serve.
We're committed to eliminating racial and other disparities, and we actively seek out candidates from a wide range of backgrounds and cultures.
Join our team at the City of Tacoma and help us build a more vibrant, inclusive, and equitable community for all.The City of Tacoma believes that diversity of thought, background, and experience contributes to our success and innovation.
If you’re passionate about this role and our mission, we encourage you to apply. If you have a less traditional background, we want to hear about your transferrable skills and experience.
We value a variety of perspectives and are excited to see what you bring to the table.The CommunityTacoma is centrally located just 32 miles south of the city of Seattle and 31 miles north of the state capital, Olympia.
The City of Tacoma is also home to the Port of Tacoma, which is among the largest container ports in the United States.
Like most cities in the northwest, Tacoma is surrounded by beautiful nature, offering residents many opportunities for outdoor adventures.Largely suburban in nature with a small, but dense, urban core, Tacoma is home to numerous institutes of higher learning that attract students from across the country.
The University of Washington Tacoma, Pacific Lutheran University, University of Puget Sound, a satellite campus of the Evergreen State College, three community/technical colleges, and several trade and business schools are within Tacoma's geographic area.
Downtown's Cultural District is the site of the Washington State History Museum, Museum of Glass, the Tacoma Art Museum, and America's Car Museum.With its affordable housing and distinctive neighborhoods and business districts, the city has been recognized numerous times as a best city to live in the nation.
To see a few of the great things Tacoma has to offer, view this YouTube Video!View this exciting video to learn more about the City of Tacoma: https://www.youtube.com/watch?v=2n5MWl8KFvICompensation & BenefitsPay Details:Hourly Rate: $41.26 - $47.77Annual Salary: $85,820.80 - $99,361.60Employee Benefits | City of Tacoma
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