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Ascend Staffing Journeyman Truck Fleet Diesel Mechanic in Seattle, Washington

Journeyman Fleet Diesel Mechanic (Truck & Trailer) -- Class 8

Keep a busy fleet rolling with top-tier diagnostics, preventative maintenance, and heavy-duty repairs. If you're a seasoned diesel mechanic who thrives in a fast-paced shop and takes pride in safe, quality work, this is a long-term opportunity with strong pay and excellent benefits.

Job Details
  • Compensation: $35.00--$50.00/hour (DOE)

  • Job Site Location: Seattle, WA

  • Work Schedule: Tuesday--Saturday | 8:00 AM--4:30 PM (five 8-hour shifts/week)

  • Job Type: Direct-Hire Placement

  • Anticipated Start Date: ASAP

  • Benefits:

    • Weekly Pay

    • Direct deposit & debit card payment options

    • Health, vision, dental, life, and disability insurance

    • Medical/Dental/Vision coverage starting the 1st of the month following hire

    • ESOP (profit sharing) + 401(k)

    • Paid vacations + paid holidays

    • WA State Sick Leave coverage

    • Pre-tax commuter benefits + onsite parking

    • 100% prepaid college tuition for employees and dependents

    • Employee Assistance Program (EAP)

    • Potential 90-day performance-based raise + annual review increases (performance/tenure)

Why You'll Love This Job
  • Competitive hourly pay for experienced heavy-duty diesel mechanics

  • Stable, full-time schedule with consistent weekly hours (Tue--Sat)

  • Work on a diverse fleet: tractors, trailers, reefers, lift gates, yard goats, and box trucks

  • Strong benefits package including retirement options and tuition support

Duties & Responsibilities
  • Perform preventative maintenance, inspections, and DOT-style safety checks to keep equipment road-ready

  • Diagnose and repair diesel engines and electronically controlled systems using factory scan tools and diagnostic equipment

  • Troubleshoot and repair electrical systems (starting/charging/lighting), suspension, steering, brakes, and HVAC/A/C

  • R&R heavy truck components: engines, transmissions, axles, brakes, lift gates, and related assemblies

  • Rebuild engines, transmissions, and key components; maintain hydraulic and pneumatic systems

  • Service and maintain refrigeration trailers (reefers) and box trucks

  • Document repairs, parts usage, and labor time accurately and consistently

  • Follow all safety protocols including LOTO, environmental regulations, and hazardous waste disposal requirements

  • Train/mentor apprentices and junior mechanics; inspect work quality and support team productivity

Qualifications & Requirements

Must-Haves (Required)

  • 5+ years of diesel mechanic experience diagnosing/repairing trucks (Class 8 experience strongly preferred)

  • Fleet maintenance experience (required)

  • Strong knowledge of electronic diesel engine diagnostics and repair

  • Experience with diesel engines, liftgate hydraulics, and refrigeration units

  • Basic welding skills (TIG, MIG, and stick)

  • Ability to read, write, and speak English fluently; follow technical manuals and verbal instructions

  • Comfortable using factory scan tools

  • Own a professional mechanic's toolbox

  • High School Diploma or equivalent

  • Valid Driver's License

Nice-to-Haves (Preferred)

Cummins and/or Detroit certifications

Reefer maintenance experi

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