Utility Worker I - South Treatment Plant (TLT)

King County•Renton, WA

10d•Onsite

About The Position

This posting is open to all qualified candidates. This recruitment aims to fill a Term-Limited Temporary (TLT) position with an anticipated end date of up to 1 -year. If the position is filled by a King County employee who has successfully completed their initial probation, they will be offered the role as a Special Duty Assignment. 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. 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. 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. 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 at http://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.

Requirements

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.
Valid unrestricted Washington State Driver’s License.

Nice To Haves

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.

Responsibilities

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.