Wastewater Treatment Operator (West Point Day Ops)

King County   Seattle, WA   Full-time     Construction / Physical Labor / Skilled Trades
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Posted on April 29, 2021

The King County Wastewater Treatment Division (WTD) has a staffing need for an experienced and technically proficient Wastewater Treatment Operator.

The responsibilities includes operating, monitoring and maintaining wastewater treatment and odor control equipment, systems and processes in wastewater (primary and secondary) treatment facility and/or the collection and conveyance systems. Responsibilities may also include coordinating, training and providing technical expertise to other wastewater treatment operations staff and coordinating on-site responses to unusual occurrences and emergencies. 

WHO MAY APPLY:  This position is open to all qualified candidates. First priority will be given to S.E.I.U., Wastewater Local 925 candidates.

WORK LOCATION:  West Point Treatment Plant - 1400 Discovery Park Blvd, Seattle, WA 98199 

WORK SCHEDULE:  The treatment plants are operated 24/7.  This position works a 4 day/10 hours per day schedule. Candidates must be available to work any assigned schedule. This position is covered under the provisions of the Fair Labor Standards Act (FLSA) and is overtime eligible.  

Job Duties

  • Operate, monitor and maintain wastewater and odor control equipment and facilities.
  • Operate, monitor and maintain biological, chemical, mechanical and hydraulic processes at wastewater treatment plants, collection system pump and regulator stations and associated facilities.
  • Conduct sampling and test analysis of wastewater and recommend changes to process to meet federal and Washington State permits and regulations and to optimize wastewater plant performance.
  • Train others on site-specific areas or through on-the-job training.
  • Perform maintenance on wastewater treatment plant and associated facilities, including buildings equipment, and grounds. Duties include cleaning, servicing operating equipment, mowing lawns and performing housekeeping tasks.
  • Communicate with the public, construction personnel, consultants, and engineers to resolve complaints, provide construction assistance, give tours and carry out related duties.
  • Exchange information on wastewater operations, maintenance and processes with staff involved in process control, maintenance, facilities services, off-site facilities services and other areas.
  • Respond to unusual occurrences and assist in emergency responses.
  • Operate, monitor and control wastewater equipment and systems using complex computer systems.
  • Record technical data and daily activities on logs
  • Perform all essential duties in compliance with safety guidelines, policies and regulations.
  • Be available to work all shift schedules
  • Be on-call to respond to unusual occurrences and emergencies
  • Perform other duties as assigned.

Experience, Qualifications, Knowledge, Skills

  • Knowledge of wastewater treatment processes, including preliminary, primary, secondary, digestion, gas handling systems, sludge handling and plant-wide air, water, electrical and hydraulic support systems.
  • Knowledge of collection systems, including pump stations, regulator stations and miscellaneous structures, and of disinfecting methods
  • Knowledge of mechanical and electrical theory, cross connections, and pumps
  • Knowledge of wastewater terminology and process control
  • Knowledge of industrial safety procedures and practices
  • Knowledge of and skill in applying sampling, testing and laboratory procedures
  • Skill in verbal and written communication techniques and principles and ability to read, write and follow oral and written instructions
  • Skill in reading, recording and interpreting information from field devices 
  • Skill in operating basic hand and power tools and specialized equipment
  • Skill in operating complex computer control systems and identifying normal and abnormal operating conditions
  • Skill in the interpretation and application of technical information from plant drawings, operations and maintenance manuals, and lab tests
  • Ability to work rotating shifts including nights, weekends and holidays and demonstrate predictable, reliable and timely attendance 
  • Ability to work during adverse and inclement weather conditions
  • Ability to lift and carry equipment weighing up to 50 pounds
  • Ability to work in confined spaces, climb in and out of tanks using ladders, and work around noxious odors, heat and high noise levels
  • Ability to effectively engage in and sustain relationships with people from diverse cultures and socio-economic backgrounds
  • Ability to work independently and as a team member
  • Demonstrated proficiency with business applications, such as Microsoft Office suite


  • Washington State Group I Wastewater Treatment Plant Operator certification from the Washington State Department of Ecology or out-of-state equivalency which must be converted to a Washington certification within one year of employment
  • Washington State Driver's License
  • CPR and first aid certification – can be achieved within the first six months of employment
  • Additional licenses, certifications and other requirements determined to be necessary to meet the business needs of the employing unit may be required.

Supplemental Information

Application and Selection Process: Application materials will be screened for clarity, completeness including online application, cover letter and resume, and responsiveness to the list of qualifications, skills, and abilities. The most competitive candidates may be invited to participate in one or more panel interviews. Applications without the following required materials may not be considered for this position.

  • King County Application
  • Responses to supplemental questions

This position is represented by S.E.I.U., Wastewater Local 925.

For more information regarding this recruitment, please contact:
Rodney O. Dungo
Human Resource Analyst

Forbes recently 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 your recruiter listed on this job announcement.

King County offers a highly-competitive compensation and benefits package designed to meet the diverse needs of our employees and support our employees' health and well-being.  Eligible positions receive the following benefits and have access to the following programs:

  • Medical, dental, and vision coverage: King County pays 100% of the premiums for eligible employees and family members
  • Life and disability insurance: employees are provided basic coverage and given the opportunity to purchase additional insurance for both the employee and eligible dependents
  • Retirement: King County employees are eligible to participate in a pension plan through the Washington State Department of Retirement Systems and a 457(b) deferred-compensation plan
  • Transportation program and ORCA transit pass
  • 10 paid holidays each year (plus 2 personal holidays)
  • Generous vacation and paid sick leave
  • Paid parental leave, family and medical leaves, and volunteer leave
  • Flexible Spending Account
  • Wellness programs
  • Onsite gyms and activity centers
  • Employee giving program
  • Employee assistance programs
  • Flexible schedules and telecommuting options, depending on position
  • Training and career development programs
For additional information about employee benefits please visit our Benefits, Payroll, and Retirement Page.

This is a general description of the benefits offered to eligible King County employees, and every effort has been made to ensure its accuracy.  If any information on this document conflicts with the provisions of a collective bargaining agreement (CBA), the CBA prevails.  Also, in the event of any incorrect information in this document, applicable laws, policies, rules, CBAs, or official plan documents will prevail.
NOTE:  Benefits for Term Limited Temporary (TLT) or Short Term Temporary (STT) positions, including leave eligibility and/or participation in the pension plan through the Washington State Department of Retirement Systems, will vary based upon the terms and details of the position. Short Term Temporary positions are not eligible for an ORCA transit pass.
For inquiries about the specifics of this position, please contact the recruiter identified on this job posting.

Are you applying to this position as an eligible Current or Previous King County Employee Priority Placement Program Participant AND Is this position the same or lower percentage of full-time when compared to the position held at the point of the notification of layoff AND Do you possess the skills and abilities to qualify for this position?
  • Yes, I was given a layoff notice from my role at King County AND I am within two years of the effective date of my layoff. AND The position I was laid off from was the same or a higher percentage of FT status when compared to this one.
  • No.
If you answered yes to the question above and you are applying for this position as a Priority Placement Participant, to be considered, you must provide the following three pieces of information in the space provided: 1. The title you held when you received your layoff notice 2. The department you worked in 3. The effective date of your layoff
Are you a current Wastewater Local SEIU 925 member?
  • Yes
  • No
Do you possess a Washington State Group I Wastewater Treatment Plant Operator certification from the Washington State Department of Ecology or out-of-state equivalency?
  • Yes
  • No

Required Question