Wastewater Treatment Operator/Senior Operator (East Offsite)

King County   Pioneer Square, WA   Full-time     Manufacturing / Production / Operations
Posted on May 13, 2023
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$72,737.60 - $101,379.20 Annually


Multiple locations in King County, WA

Job Type

Career Service, Full Time, 40 hrs/week

Job Number



DNRP-Natural Resources & Parks


Wastewater Treatment

Opening Date


Closing Date

6/2/2023 11:59 PM Pacific



Bargaining Unit

A2 : SEIU L925-Wastewater


This opportunity opens the door for continued growth as an operator by learning the conveyance system and managing the pump stations that convey the wastewater to our regional treatment plants. It also gives you the opportunity to gain experience in small plants (Carnation and Vashon) It allows you to network with different work groups; gain knowledge and exposure to construction processes within the division; and work closely with the community.

East Section Offsite is on the front lines of protecting our community and waterways. East Offsite allows you to develop your operating skills outside of a normal treatment plant setting. It allows you to work closely with the community and public as well as project management and conveyance inspection teams. Offsite is a 24/7 operation that requires you to respond to emergency/overflow situations making it exciting and dynamic. East offsite is mission focused on developing more leaders for future county positions.

The candidate will operate, monitor, and control wastewater treatment equipment using manual operations or complex computerized systems. The individual will be expected to troubleshoot all wastewater equipment, systems, and processes with limited supervision. An ability to provide clear and effective communications with the public, fellow team members, other treatment plant staff, and other King County work groups to accomplish work requirements is a must. The candidate will need to be lab certified and be able to perform all lab duties without any supervision.

Who is eligible to apply: Open to all qualified personnel. Local S.E.I.U. Wastewater Local 925 employees have priority

Job Duties
  • Operate, monitor, and maintain biological, chemical, mechanical, and hydraulic processes at wastewater treatment plants, collection system pump and regulator stations and associated facilities.
  • Operate, monitor, and control wastewater equipment and systems with complex computer systems.
  • Perform maintenance on offsite facilities and associated structures, including buildings equipment, and grounds. Duties include cleaning, servicing operating equipment, and performing housekeeping tasks.
  • Operate, monitor, troubleshoot and maintain systems and processes in pump stations and stormwater facilities
  • Provide troubleshooting, problem-solving, coordination and decision-making when performing duties, particularly for East Offsite pump stations, be able to respond to unusual and/or emergency situations. Be on-call after hours for such situations.
Working Conditions
  • Work Location: Pump run, Vashon, Carnation Plants
  • Work Schedule: The treatment plants are operated 24/7 . 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.
  • Union Representation: This position is represented by S.E.I.U., Wastewater Local 925.
Experience, Qualifications, Knowledge, Skills
  • Knowledge of wastewater treatment processes, including preliminary, primary, secondary, digestion, gas handling systems, sludge handling, plant-wide air, water, chemical, and hydraulic support systems.
  • Knowledge of collection systems; including pump stations, regulator stations, CSO facilities and miscellaneous structures.
Preferred Qualifications
  • Experience working with collection systems, including pump stations, regulator stations, CSO facilities and miscellaneous structures.
  • Washington State Group III Wastewater Treatment Plant Operator certification from the Washington State Department of Ecology.
Licensing, Certification and Other Requirements:
  • Washington State Group II Wastewater Treatment Plant Operator certification from the Washington State Department of Ecology
  • Lab Certified on BOD, TSS, Fecal, pH, DO, TC's
  • Washington State Driver's License or out-of-state equivalent
  • CPR and first aid certification
Competencies Required
  • Action Oriented - Identifies and seizes new opportunities; Displays a can-do attitude in good and bad times; Steps up to handle tough issues
  • Manages Ambiguity - Deals comfortably with the uncertainty of change; Is calm and productive, even when things are up in the air; Deals constructively with problems that do not have clear solutions or outcomes
  • Collaborates - Works cooperatively with others across the organization to achieve shared objectives; Partners with others to get work done; Credits others for their contributions and accomplishments; Gains trust and support of others
  • Communicates Effectively - Is effective in a variety of communication settings: one-on-one, small and large groups, or among diverse styles and position levels; Attentively listens to others; Provides timely and helpful information to others across the organization
  • Manages Complexity - Asks the right questions to accurately analyze situations; Uncovers root causes to difficult problems; Evaluates pros and cons, risks and benefits of different solution options
  • Decision Quality - Makes sound decisions, even in the absence of complete information; Considers all relevant factors and uses appropriate decision-making criteria and principles
  • Being Resilient - Is confident under pressure; Handles and manages crises effectively; Maintains a positive attitude despite adversity; Bounces back from setbacks; Grows from hardships and negative experiences
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

Supplemental Information

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.

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
  • 12paid 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.