Mobile Heavy-Duty Service Mechanic (Bucket, Digger & Crane Fleets)

Is this you?

  • Do you enjoy diagnosing hydraulic, electrical, and mechanical systems right where the equipment runs?
  • Are you comfortable working on bucket trucks, diggers, and truck‑mounted cranes used by utility providers?
  • Do you want a field role serving customers throughout the Greater Seattle area?

What you’ll do

  • Perform inspections, troubleshooting, and repairs on utility trucks and equipment in the field.
  • Service hydraulic systems, electrical wiring, and diesel equipment to keep fleets operational.
  • Document findings and repairs to ensure safe, reliable operation.
  • Familiarity with Load Moment Indicators (LMI) and Controller Area Networks (CAN bus) is a plus.

Where you’ll work

Base yourself within 60 miles of the Greater Seattle, Washington Metro area; travel locally to customer sites.

Must-haves

  • Valid Driver’s License (Class A or B CDL preferred but not required).
  • Personal mechanic’s tool set.

What you’ll get

  • Competitive compensation aligned with your experience.
  • Full benefits: healthcare plus 401(k) with company match.
  • Paid time off for vacation, sick days, and holidays.
  • Uniforms provided and discounts on tools.
  • Bonus opportunities.
  • Training through our STEP Technician Training Program and more.

About CTOS

Custom Truck One Source (CTOS) is headquartered in Kansas City, MO, with 40+ locations across the U.S. and Canada. We focus on manufacturing, upfitting, selling, and renting utility trucks and specialized equipment.

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