Journeyman Heavy Duty Diesel Technician | $35-$42/hr DOE

Location: Tukwila, WA

Our client’s company specializes in providing truck and trailer services, including A/C and heating, diesel service, fleets, preventative maintenance, and transmission. They are currently seeking a Journeyman Heavy Duty Diesel Technician to join their team.

As a Journeyman Heavy Duty Diesel Technician, you will be responsible for accurately diagnosing, repairing, and maintaining class 5 through class 8 trucks and trailing equipment to high-quality standards.

Journeyman Diesel Technician Job Responsibilities

  • Conduct front-line mechanic inspections, preventive maintenance services, and DOT inspections on diesel and gasoline vehicles, as well as trailers.
  • Repair air and hydraulic brake systems, suspension, steering components, starting and charging systems, and drive train components such as transmissions and differentials.
  • Address engine repairs, air conditioning systems, and electrical and lighting systems using diagnostic tools and measuring instruments.
  • Perform welding and fabrication with various materials, including steel, stainless steel, and aluminum.
  • Perform minor repairs on semi-trailers and truck cargo boxes.
  • Respond to vehicle breakdowns in the field and assist other mechanics.
  • Safely operate company vehicles and adhere to local, state, federal, and company policies.
  • Maintain clean and safe work areas, adhere to safety guidelines, and document repairs and maintenance activities.
  • Provide excellent customer service, maintain positive working relationships, and display professional conduct with various stakeholders.
  • Operate a forklift as necessary for repairs and moving heavy parts.


  • Possess 3 to 5 years of relevant experience in the field or a combination of education and experience.
  • Demonstrate a high level of skill in diagnosing issues, initiating tasks, and completing them independently.
  • Have own hand and air tools along with storage for these tools.
  • Hold a valid driver’s license and have a good driving record, with a CDL preferred but not mandatory.
  • Successfully complete a criminal history background check, as per customer requirements.
  • Have the physical capability to lift and install various parts required for the job.

Our client values teamwork, dedication, and the ability to deliver exceptional service to their clients. If you are a skilled Journeyman Heavy Duty Diesel Technician looking for a role that offers independence and team collaboration, and if you enjoy the challenge of maintaining and repairing a variety of trucks and trailers, we encourage you to apply. Join a team that is committed to excellence and dedicated to meeting the diverse needs of its clients.

To apply, submit your application below, send your resume to, or call 425.968.9000.

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