Wastewater Facility Maintenance Tech I

King-County,-W; Black River Junction (WA); On-site; USD 50,000 - 72,000; Full time

Job summary

King County's Wastewater Treatment Division seeks a Utility Worker I to maintain safe, reliable operations across East Section facilities. You will perform preventative maintenance, operate various equipment, and support multiple teams to ensure plants run efficiently for the community.

This role emphasizes safety, teamwork, and adaptability, with potential for growth within a mission-driven department dedicated to public health and environmental stewardship.

Qualifications

• Ability to read and follow written instructions
• Willingness to work in diverse, collaborative teams
• Ability to operate and maintain basic facility equipment

Responsibilities

• Assist with general preventative maintenance and custodial tasks around the Wastewater Treatment Plant and facilities.
• Operate a range of equipment and vehicles (hand/power tools, landscape equipment, tractors, forklifts, cranes, vacuum trucks, backhoes, portable pumps).
• Perform light maintenance: replace light bulbs, inspect safety equipment and HVAC filters, wash windows, and clean facility exteriors.
• Back-up for gardening, custodial, painting, and other support tasks; respond to emergencies and maintain logs/work requests.

Skills

Communication

Teamwork

Safety awareness

Tools

Hand and power tools

Industrial steam cleaners

Pressure washers

Job description

This is a competitive posting,and the position is open to all qualified candidates.

This recruitment aims to fill (1) Career Service Utility Worker I vacancy at the South Treatment Plant.

This posting may be used to establish a list of qualified candidates for the Utility Worker I position at the South Treatment Plant in the following6 months

The Wastewater Treatment Division protects our environment by turning wastewater into vital resources for King County. As a Utility Worker I, you’ll take on hands-on, essential work that keeps our facilities running — work that’s both challenging and deeply rewarding. This role attracts candidates who want meaningful impact. Every task you complete helps safeguard public health, support sustainable communities, and keep critical infrastructure operating safely. It’s also a strong pathway for growth, offering skill-building, training, and advancement within a mission-driven team. If you’re motivated by purposeful work, practical problem-solving, and the chance to grow in a career that serves your community, this role is a great fit.

About the Role:
As a Utility Worker I with King County’s Wastewater Treatment Division, you play a vital role in maintaining safe, reliable, and sustainable operations across the East Section facilities. Your work supports the division’s mission to protect public health, advance equity, and safeguard our environment.

In this role, you’ll perform essential preventative maintenance — from building and grounds care to HVAC cleaning and filter changes, safety equipment inspections, and support for fire protection systems. You’ll also operate a range of tools and equipment, including vactor trucks, portable pumps, and landscape machinery.

This position offers hands-on challenges and the chance to contribute to projects that keep our treatment plants running efficiently for the community. This role is also highly collaborative. You’ll work closely with teammates across Operations and Maintenance, including Utility Worker II, Gardeners, and Painter to ensure our sites remain functional, safe, and welcoming. Your contributions strengthen the entire team’s ability to deliver dependable, sustainable service to the people of King County.

About the Team:
The Building & Grounds team keeps the South Treatment Plant and Offsite facilities running safely and efficiently, directly supporting public health and environmental protection. Utility Workers are key contributors, working side-by-side with painters, gardeners, custodians, and operations & maintenance staff. The team values collaboration, equity, and respect, and takes pride in maintaining clean, functional spaces that support sustainability and strong service for King County residents.

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 Utility Worker I, you will actively apply these principles in all aspects of your work. Learn more about our commitment athttp://www.kingcounty.gov/equity.

Apply now for a rewarding career at the Wastewater Treatment Division 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, comprehensive benefits, and growth opportunities.

What You Will Be Doing:

• Assist other staff in carrying out general preventative maintenance such as, but not limited to, gardening, cleaning, operating equipment, and assisting operations and maintenance positions in accomplishing work assignments at the Wastewater Treatment Plant and associated facilities.
• Operate a variety of equipment, machinery, and/or vehicles such as hand and power tools, landscape equipment, tractors, forklifts, cranes, vacuum trucks, backhoes, portable pumps, dump trucks, pressure washers, etc.
• Perform light maintenance tasks such as, but not limited to, changing light bulbs, inspection of safety equipment, inspection of HVAC systems to change filters, fire hydrant inspections, sweeping and mopping and other custodial duties, washing windows, hosing, and cleaning facility exteriors.
• Act as back-up for specific gardening, custodial, painting, and other support assignments.
• Respond to unusual occurrences and assist in emergency situations.
• Maintain daily written and/or computerized logs and complete work requests for assignments.

Qualifications You Bring:

• Experience in the operation and use of hand and power tools, pneumatic tools and the operation of small and large equipment.
• Experience in the operation of industrial steam cleaners and pressure washers.
• Basic knowledge of computers and associated software.
• Ability to work in confined space areas and at heights up to 30 feet with all required PPE (Personal Protective Equipment).
• Ability to work effectively with others in a work environment that embraces and encourages diversity in its workforce and where differences are valued.
• Effective communication skills and the ability to follow written instructions and verbal in-person and through communication devices.

Competencies You Bring:

• Decision Quality:Making good and timely decisions that keep the organization moving forward.
• 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.
• Manages Conflict: Handling conflict situations effectively, with a minimum of noise.
• Communicates Effectively: Developing and delivering multi-mode communications that convey a clear understanding of the unique needs of different audiences.
• Action Oriented:Taking on new opportunities and tough challenges with a sense of urgency, high energy, and enthusiasm.
• Manages Ambiguity:Deals comfortably with the uncertainty of change; Is calm and productive, even when things are up in the air; Deals constructively with the problems that do not have clear solutions or outcomes.

Required Licenses:

• Valid unrestricted Washington State Driver’s License

It Would Be Great if You Also Bring:

• Forklift certification.
• Flagging and Traffic control certifications.
• Commercial Driver's License class A endorsement, with Tanker.
• Pesticide Spray License.
• Experience repairing membrane train modules in an Membrane Bioreactor treatment plant.

Working Conditions:

• Work Location: South Treatment Plant, 1200 Monster Rd SW, Renton, WA 98057. Employees must reside in Washington state and within a reasonable distance to their King County worksite to respond to workplace reporting requirements.
• Work Schedule:This full-time position works a 40-hour work week with 4-10hr schedule options available. This position is overtime eligible. This position requires the ability to work all shift schedules and to report to work during adverse and inclement weather conditions and be on a rotating call list upon completion of a 9-month probationary period. 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 SEIU Local 925.
• Physical Requirement:Incumbents perform field work at a wastewater treatment plant and associated facilities and are required to lift and carry equipment weighing up to 50 pounds, use ladders, and there is exposure to hazardous chemicals and noxious odors. A pre-employment physical and reference checks will be conducted prior to any final job offer.

Application Instructions:

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.

AnticipatedTimeline for this recruitment: (subject to change)

• Technical Assessment: first two weeks of November (tentative)
• Interviews: first two weeks in December (tentative)

To apply, submit a:

• Complete Application (Required)
• Resume (Required)
• Cover Letter (Required)
• Responses to the supplemental questions (Required)

Note: Additional documents won't be considered during minimum qualification screening.

Discover More About the Wastewater Treatment Division: Visit our websiteand check us out at Facebook,(formerly Twitter),Instagram,YouTube and ourWTD Blog.

Discover More about DNRP:Visit ourwebsite,explore aninteractive map of our recent accomplishments and check us out atFacebook, (formerly Twitter),LinkedIn,TikTok,Instagram,YouTubeandKeeping King County Green News.

Sign up forJob Alertsto be notified of additional career opportunities with King County. Select theNatural Resourcescategory for DNRP opportunities and explore other categories of interest.

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.

Application Process

If you are interested in pursuing this position and supporting King County’s vision for unified, equitable, and high-performing government, please follow the application instructions carefully. Provide us with your work history as applicable, ensuring that you provide details that highlight your ability to fulfill the requirements for this position.

If you need this announcement in an alternate language or format, or you would like to request accommodation or assistance in the application or assessment process, please contact Emiliya Makaryan at [e-mail].

King County's Vision, Mission, and ACTIVATE Values unite us.

King County serves residents with a relentless sense of urgency, delivering on commitments with transparency and accountability. We are action-oriented, creative problem solvers who collaborate across roles, engage directly with communities, and challenge the status quo to achieve meaningful impact. As a unified team, we uphold high ethical and stewardship standards, embrace change, stay curious, and continuously improve. Across all interactions, we listen first, act quickly, and stay aligned as a team to earn and sustain public trust. Learn more about our Vision, Mission, and ACTIVATE Values here and visit our Why work at King County page here.

King County is an Equal Employment Opportunity (EEO) Employer

No person is unlawfully excluded from employment opportunities based on sex, race, color, national origin, ethnicity, religious affiliation, disability, sexual orientation, gender identity or expression, age except by minimum age and retirement provisions, pregnancy, status as a family caregiver, parental status, marital status, military status or status as a veteran who was honorably discharged or who was discharged solely as a result of the person's sexual orientation or gender identity or expression, citizenship or immigration status, genetic information, or other protected class. However, to the extent that distinction or differential treatment on the basis of citizenship or immigration status is authorized by either federal or state law, regulation, or government contract, it is not an unfair practice.

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.