Diagnostic Service Technician (Heavy-Duty Class A Diesel)

Cogent Talent Solutions

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Aston, PA on site Until 8/22/2026 5+ years exp H-1B sponsor history First posted June 10, 2026 Last posted June 10, 2026
Job description
Our client is a family-owned and operated truck and trailer repair shop specializing in dedicated fleet maintenance, with a focus on the car hauling industry. They are fully equipped to handle all aspects of heavy-duty repair, offering top-tier diagnostic tools and a professional, supportive work environment.
 
Our client is seeking a qualified Heavy-Duty (Class A) Diesel Diagnostic Service Technician to perform diagnostic and road service work for commercial vehicles. The technician will handle offsite road service calls as well as onsite repairs, professionally diagnosing and maintaining heavy-duty trucks and trailers. This role includes working with aftertreatment systems, engine diagnostics, air conditioning, electrical systems, and lighting.

Responsibilities:

  • Perform offsite and onsite diagnostic and repair work on heavy-duty commercial vehicles.
  • Diagnose and maintain aftertreatment systems, engine check/stop engine lights, air conditioning, electrical, and lighting systems.
  • Utilize OEM diagnostic software and tools (Cummins, PACCAR, Snap-on, JPRO, ECT) to efficiently identify and resolve issues.
  • Maintain accurate records of work performed and communicate with fleet managers or clients as needed.
  • Adhere to all safety protocols and company procedures.
  • Maintain punctuality and professionalism at all times.

Qualifications:

  • Valid Class A driver’s license (Preferred)
  • Proven experience as a heavy-duty diesel technician, including diagnostic and road service experience. (At least 5 years of experience)
  • Ability to professionally and efficiently diagnose and repair a wide range of heavy-duty vehicle issues.
  • Strong problem-solving and mechanical skills.
  • Valid Driver License

Compensation (from employer):
40–45 USD per-hour-wage

About this role

Summary

Diagnose and repair heavy-duty diesel trucks using OEM software and tools, perform onsite and offsite service.

Job title

Diagnostic Service Technician (Heavy-Duty Class A Diesel)

Experience level

5+ years

Minimum experience

5+ years exp

Industry

vehicle repair and maintenance

Location requirements

Aston, PA; on-site with some offsite work allowed

Salary

40–45 USD per-hour-wage

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

diagnostic softwareheavy-duty repairelectrical systemsengine diagnosticssafety protocols

Preferred skills

Class A driver’s license

Specializations

heavy-duty trucksdiesel enginesdiagnosticselectrical systemsaftertreatment
Locations

Structured locations inferred from the posting.

Aston, Deeside CH5 3EX, UK

On-site City