Diesel Technician

Allegiance Trucks•Barrington, NH
•$25 - $40

About The Position

The Diesel Technician works alongside other technicians and gains hands-on experience in commercial truck maintenance, inspections, diagnostics, and repairs. Responsibilities increase as knowledge, skills, and confidence develop. The position provides technical service on vehicles and equipment, including troubleshooting, electrical work, and diagnostics, and involves general and detailed repairs on trucks, engines, and components. The posting also describes hands-on paid training, mentorship, manufacturer and technical training as applicable, and opportunities for continued growth and advancement in the heavy-duty truck industry.

Requirements

  • Positive attitude, motivation, and mechanical aptitude.
  • At least 1–2 years of work experience as a medium- and/or heavy-duty diesel technician.
  • Valid driver’s license.
  • Must possess a full set of personal hand tools.
  • Must have, or be able to develop through training, detailed knowledge of commercial truck and engine repair.
  • Successful completion of appropriate diesel or automotive certificate programs in repair and service, or equivalent hands-on experience.
  • Ability to use a personal computer and basic applications.
  • Minimum of a high school diploma or GED.
  • Willingness to participate in applicable training and development opportunities.

Nice To Haves

  • Experience with International, Isuzu, Ford, Cummins, Detroit Diesel, CAT, Allison, Freightliner, Volvo, Mack, Kenworth, Peterbilt, or other brands.
  • Vocational or technical certification in vehicle repair.
  • Previous technical education or training.

Responsibilities

  • Provide technical service on vehicles and equipment, including troubleshooting, electrical work, and diagnostic services.
  • Read repair orders and perform general and detailed repairs on trucks, engines, and components.
  • Install injectors, pistons, liners, camshafts, cylinder heads, rod and main bearings, oil pans, clutches, fan hubs, differentials, fifth wheels, and brakes; change or recharge batteries; and replace transmissions and other parts.
  • Examine protective guards, loose bolts, and specified safety devices on trucks, and adjust them as needed.
  • Lubricate moving parts and drive repaired vehicles to verify conformance to specifications and confirm repairs.
  • Advise Service staff if additional repair work is necessary.
  • Tag all returned warranty parts.
  • Maintain a neat, orderly, and safe work environment and handle company tools properly.
  • Follow safe work practices and procedures, use safety equipment when required, respond to suggestions for working safely, and seek assistance when necessary.
  • Complete other projects or initiatives as assigned.

Benefits

  • Competitive starting pay.
  • Medical, dental, and vision plans, complimentary life insurance, and other voluntary coverage options.
  • Generous paid time off, including vacation, sick time, and floating holidays.
  • 401(k) with company match.
  • Additional training and support for career advancement.
  • Hands-on paid training.
  • Mentorship and guidance from experienced Service Technicians.
  • Opportunities to develop mechanical and technical skills.
  • Exposure to commercial trucks, equipment, tools, and repair processes.
  • Ongoing manufacturer and technical training as applicable.
  • Supportive team environment.
  • Opportunities for continued growth and advancement.
  • Career path within the heavy-duty truck industry.
  • Gym memberships.
  • Red Wing boot voucher.
  • Tool program.
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