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Heavy Duty Equipment Mechanic

Job in Renton, King County, Washington, 98056, USA
Listing for: King County, WA
Full Time position
Listed on 2026-09-22
Job specializations:
  • Trades / Skilled Labor
    Heavy Equipment Mechanic
Salary/Wage Range or Industry Benchmark: 65000 - 90000 USD Yearly USD 65000.00 90000.00 YEAR
Job Description & How to Apply Below

Summary

Join the team that keeps King County running. As a Heavy-Duty Equipment Mechanic
, you'll be the hands behind the machines that build, maintain, and support vital county operations. From advanced electrical systems to heavy construction equipment, your work ensures crews across the region can do their jobs safely and effectively. Your expertise will directly support the essential services that millions of residents rely on every day.

Why King County is a great place to work?

This is a fantastic opportunity to have a lasting and rewarding career in County government. You will have the opportunity to work in an organization that embraces diversity, institutes best management practices, values hard work, and empowers employees to innovate and strives for second-to-none customer service.

We're committed to supporting a healthy work-life balance and providing benefits that truly make a difference, including:

  • $1,000 annual tool allowance
  • Up to $2.88 per hour in additional pay for ASE certifications
  • $375 annual boot allowance
  • Excellent, competitive medical, dental, and vision coverage
  • Free transportation options
  • Robust employee assistance program for personal and professional support
  • Generous paid vacation and sick leave
  • Twelve paid holidays plus two personal holidays
  • Retirement benefits through the Washington State Department of Retirement Systems, plus a 457(b) deferred-compensation plan
  • And so much more
About Fleet Services Division

The Fleet Services Division manages King County's portfolio of vehicles and equipment. The team performs acquisition, maintenance, repair, replacement, and disposal of approximately 3,000 fleet assets for the County's services associated with the Sheriff's Office, Public Health, Roads, Parks, Wastewater, Water and Land Resources, and other agencies. The division manages two maintenance shops which include robust storerooms of automotive parts, materials, and construction supplies as well as several technicians working in the field to support remote customer sites.

In addition, the Fleet Division is responsible for the disposition of the county's personal property assets, which includes a surplus warehouse in Georgetown. Disposal methods can include re-use within the county, donation to verified and approved non-profits, and sales through online portals or sealed/negotiated bids.

The mission of the Fleet Services Team is providing exceptional customer service in the delivery of equitable, sustainable, and dependable fleet solutions.

To learn more about Fleet, please visit our website at:
Fleet Services Division - King County, Washington.

Job Duties

SCOPE OF

JOB DUTIES:

The successful candidate at a minimum, must demonstrate knowledge, skill, and ability to:

  • Diagnose and repair all types of gas, diesel, and hybrid powered equipment, including, but not limited to, automobiles, heavy/light trucks, tractors, backhoes, street sweepers, wheel loaders, various off-road equipment, and trailers.
  • Troubleshoot and repair emergency response vehicle radios, light bars, and security device systems.
  • Perform gas and electric welding and fabrication on mobile and stationary equipment.
  • Operate mechanical and electronic testing equipment to troubleshoot and repair systems.
  • Maintain service, maintenance, and repair records.
  • Modify and fabricate stock equipment to meet County needs.
  • Repair and maintain shop tools and machinery.
  • Provide technical assistance, direction, and advice to other workers, and give guidance on complex mechanical repair projects.
  • Interpret equipment repair manuals, electric and hydraulic schematics and illustrated parts diagrams.
  • Safely perform repairs in the field during inclement weather.
Experience, Qualifications, Knowledge, Skills

We are looking for candidates who:

  • Demonstrate journey - level proficiency to work with industrial and heavy-duty equipment, hydraulic, powertrain, diesel and gasoline fuel, accessory and cooling systems.
  • Have knowledge of industrial and heavy equipment shop safety rules, procedures, and equipment. Understand technical terms used in light and heavy equipment repairs.
  • Are skilled in the use of electrical, electronic, hydraulic and mechanical test equipment and devices.
  • Are skilled in troubleshooting and repairing gas, diesel, and hybrid engines; transmissions; diesel fuel and engine-management systems; electrical systems, and radio, light bar, and security device systems.
  • Can diagnose and repair pneumatic systems, chassis systems, power-train systems and hydraulic systems.
  • Understand how to…
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