Utility Worker - South Treatment Plant

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. 6 months.

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://(Use the "Apply for this Job" box below)..

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.

• 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…