Demo

Journeyman Heavy Duty Diesel Technician

NW Fleet Truck/Trailer Repair, Inc.
Seattle, WA Intern
POSTED ON 5/26/2026
AVAILABLE BEFORE 6/20/2026
Job Requirements

Accurately diagnose, repair, and maintain all parts and components on class 5 through class 8 trucks and trailing equipment in a timely manner and quality fashion, including but not limited to the following:

  • Perform front line mechanic inspections, preventive maintenance services and DOT inspections on both diesel and gasoline vehicles as well as trailers
  • Diagnose and repair air and hydraulic brake systems, suspension, and steering components
  • Diagnose and repair starting and charging system components
  • Diagnose, repair, and replace drive train components including transmissions, clutches, drivelines, and differentials
  • Perform all repairs to engines as needed including replacing cylinder heads, injectors, injection pumps, pistons, crankshafts, camshafts, gears, pumps, bearings, seals, gaskets, water pumps, engine electronics, etc.
  • Diagnosed and repair air conditioning systems including compressors, valves, condensers, and evaporators
  • Utilize diagnostic tools including laptops, scanners and wiring diagrams and measuring tools including a caliper
  • Diagnose and repair electrical and lighting systems, ABS systems, tire and brake monitoring systems, engine, body, and transmission electronics
  • Perform welding and fabrication with steel, stainless steel, and aluminum
  • Perform minor repairs on semi-trailers and truck cargo boxes including roll up and swing door repairs, tire replacement, brake repairs, suspension repairs, electrical systems and repair body panels, roofs, and frame rails
  • Respond to vehicle breakdowns in the field when requested
  • Assist other mechanics as needed
  • Operate Company vehicles in accordance with local, state, federal and Company policies and safe driving practices
  • Perform occasional facility maintenance for the Company and/or customer’s facilities
  • Perform all other duties as assigned by Lead Mechanic, Shop Foreman, Area Fleet Manager or Shop Coordinator
  • Thoroughly, timely, neatly, and accurately document vehicle repairs and maintenance including a complete accounting of all labor hours, parts and materials used through maintenance software and daily worksheets
  • Provide excellent customer service and maintain a positive working relationship with all fleet, customer, and operations personnel
  • Display professional conduct with customers, co-workers, outside suppliers and contacts
  • Maintain safe and clean work areas
  • Take responsibility for and demonstrate safe work practices
  • Adhere to Company and OSHA safety guidelines
  • Operate a forklift as needed to perform repairs and move heavy parts

Qualifications

  • 3 to 5 years of relevant experience or combination of school and experience
  • Must have the skill level to diagnose, begin a job and see it through to completion with minimal guidance, ensuring tasks are executed efficiently and deadlines are met.
  • Provide own hand and air tools and storage for same
  • Valid Driver’s license and good driving record required; CDL preferred but not required
  • Pass a criminal history background screen as required by our customer base
  • Be able to lift and install all parts required to perform the job including heavier parts such as brake drums, tires, flywheels, clutches, starters, suspension spring packs, etc.



Benefits Include

medical, health savings plan, dental, vision, vacation, sick pay, holiday pay, retirement plan, life insurance, uniforms provided

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Compensation details: 36-44 Hourly Wage

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Hourly Wage Estimation for Journeyman Heavy Duty Diesel Technician in Seattle, WA
$35.00 to $43.00
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