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WASTEWATER TREATMENT PLANT OPERATOR - City of Gig Harbor ( Job # 19-0020)

This job is closed.

Minimum Salary: $29.49 per hour
Maximum Salary: $36.86 per hour
Employment Type: Full Time
Department: Public Works - WWTP
Closes: August 19, 2019 at 8:00 AM
(Open to current employees and the general public.)


**PLEASE NOTE: If we do not select a candidate from this first round of application review 08/19/2019 at 8am, this position will be reposted on our new recruitment website: 

THE CITY OF GIG HARBOR is currently hiring for Wastewater Treatment Plant Operator.  This is skilled technical work in the operation and maintenance of the Wastewater Treatment Plant.  Employees occupying positions of this class are responsible for the operation and general maintenance of a wastewater treatment and collection system utilizing wastewater lift stations, pressure mains and biological treatment in a single plant.  Work involves operating, inspecting, and maintaining plant and collection systems equipment; making required chemical tests and analysis; and monitoring control and alarm equipment.  Employees may work overtime and are subject to 24-hour call during scheduled duty periods and emergencies.

Hiring Salary Range:  $29.49 per hour - $33.17 per hour

To be considered for the first review of applications, applications must be in by 8:00 AM on Monday, August 19, 2019.


Under general supervisory control of the Public Works Director, and direct control of the WWTP Supervisor, incumbents operate with relative independence of action in planning and carrying out day-to-day activities.  Technical guidance in the form of operating procedures and processes has been established by equipment manufacturers, design engineers, and the Department of Ecology.  As the City's technical authority in wastewater treatment and disposal, incumbents will be confronted with problems for which these guidelines are inadequate, requiring the exercise of sound judgment in modifying or extending traditional methods with the approval of the WWTP Supervisor and the Public Works Director.  In the resolution of serious operational problems, the incumbents may consult with the manufacturer's local representatives as well as the Public Works Director, City Engineer, and WWTP Supervisor.  Supervision may be exercised over one or two maintenance workers or laborers.  Work is reviewed mainly for effectiveness in meeting the established processes and procedures, conformance with federal and state laws, department rules, regulations and policies, and resolution of problems as they occur.

  • Operates a wastewater treatment plant which provides treatment of wastewater through stages to produce secondary effluent. Including but not limited to screening, degritting, anoxic and aerobic processes, clarification, disinfection, solids thickening, solids digestion, centrifuge operation testing and transportation of bio-solids.  Discharges treated effluent through the outfall into the Puget Sound.
  • Maintain collection system which consists of approximately 37 miles of sewer main and 17 lift stations of various sizes.  Must be able to operate small crane truck, eductor truck for line jetting and cleaning; hand and power tools to fully maintain entire system.
  • In the absence of the WWTP Supervisor or co-workers, periodically collects samples from the incoming wastewater, recirculated sludge, effluent, aeration basins, anoxic basins and digester to determine such things as biochemical oxygen demand; temperatures, pH, suspended and dissolved solids; food to micro-organism rates; recirculation rates, chlorine residual; etc.  Test results are correlated and the treatment process is adjusted to maintain the best possible treatment of wastewater at the lowest reasonable cost.
  • Maintains operator log to record daily flow of wastewater; reads flow meters, records readings and replaces meter charts; records daily maintenance performed on equipment; records amount of chemicals used and chlorine residual. Maintains chlorination system and ultraviolet disinfection system.
  • Stores, and accounts for chemicals and other materials.
  • Inspects and maintains plant and system equipment which includes assuring proper operation of wastewater lift stations by checking operation of pumps, valves and ventilators; cleaning and servicing equipment; and checking telemetry alarm system which detects malfunctioning equipment.
  • Operates auxiliary diesel power pumps and generators to maintain plant and system operations during commercial power failure.
  • Oversees and participates in the general maintenance of plant buildings and grounds.
  • Works with toxic and dangerous chemicals and follows all safety requirements directed by the State of Washington Department of Labor & Industries and related safety program initiated by the Director and Supervisor.
  • Performs other duties as required by designated supervisors.
  • Thorough knowledge of secondary wastewater treatment processes and the operation of plant and wastewater system equipment.
  • Thorough knowledge of federal, state, and local laws, regulations and procedures.
  • Thorough knowledge of attendant laboratory test equipment and procedures for collecting and testing wastewater samples.
  • Working knowledge of the principles and application of electrical motors and hydraulic equipment and mechanical equipment troubleshooting and repair.
  • Ability to analyze wastewater test results and determine adjustments needed to increase, decrease, or stabilize treatment processes -and- gain accurate and necessary information for required records and reports.
  • Ability to operate and maintain plant and collection system equipment and facilities.
  • Ability to establish and maintain effective working relationships with citizens, staff, elected officials, manufacturer's representatives, and other municipal technicians and officials.
  • Ability to effectively communicate orally and in writing.

Work is normally out-of-doors.  Plant operation, inspection, and systems maintenance exposes the incumbents to discomforts such as adverse weather conditions, noxious and toxic fumes and gasses, and infection and disease carried by raw wastewater.  A considerable amount of activity is required involving walking, bending, stooping, reaching, and lifting and/or relocating items of considerable weight, and climbing stairs.   Work requires average physical agility and dexterity.



  • High School Diploma or GED; AND
  • Graduation from a two (2) year college with major course work in Public Health, Engineering or related field and one or more years of experience in work related to the position; OR
  • Three (3) years of experience in general maintenance and trades-related work, including one year in work related to the position;


  • Possession of a Washington State Operator's License for Class I plants or ability to obtain within six (6) months of hire; AND
  • A valid Washington State driver’s license and a history of safe driving.


  • CDL Class “B” driver’s license holders MUST have the ability to comply with drug and alcohol testing requirements under the Federal Omnibus Transportation Employee Testing Act of 1991. 


The City of Gig Harbor has a generous employee leave benefit, which includes vacation, sick leave, 10 paid or pro-rated holidays annually and 2 paid or pro-rated floating holidays. The City also provides medical, vision, dental, life insurance, Employee Assistance Program participation to qualifying employees. The City of Gig Harbor is a member of the Washington Public Employees Retirement System (PERS). The City of Gig Harbor also falls under Social Security’s Windfall Elimination Provision and earnings from this position will not be covered under Social Security.  This position is also a part of a collective bargaining agreement with the Employee Guild, for more information click here.


  • To apply for this position and future positions, please visit and select the City of Gig Harbor to find our current openings. Select the position you are applying for and select “Apply Now.” We will only be accepting online applications for this position.
  • Should you need an accommodation and/or assistance with the application process prior to the closing date, please email
  • First review of this position will be on 07/22/2019. This position will be open until filled.


City of Gig Harbor Wastewater Treatment Plant
4216 Harborview Dr
Gig Harbor, WA 98332