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USD 40–45 per hour

Diagnostic Service Technician (Heavy-Duty Class A Diesel)

United StatesUnited States·PhiladelphiaFull Timemid
Service TechnicianSkilled Trades & Field Services
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Quick Summary

Overview

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.

Technical Tools
Service TechnicianSkilled Trades & Field Services
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.
  • 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.
  • 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
  • Location & Eligibility

    Where is the job
    Philadelphia, United States
    On-site at the office
    Who can apply
    US

    About this job

    Pay per year
    ≈ $83,200–$93,600 a year
    55% above the $57,200 median for Service Technician jobs on Jobera (559 salaries).
    Who can apply
    United States
    Posted
    128 days ago
    Employer
    has 156 open jobs on Jobera.

    Listing Details

    Posted
    June 9, 2026
    First seen
    June 9, 2026
    Last seen
    October 15, 2026

    Posting Health

    Days active
    127
    Repost count
    1
    Trust Level
    39%
    Scored at
    October 15, 2026

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    Diagnostic Service Technician (Heavy-Duty Class A Diesel)USD 40–45 per hour