Diagnostic Service Technician (Heavy-Duty Class A Diesel)-
- Location
- Aston, PA
- Listed
- Today
About the role
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
From Cogent Analytics's careers page, first listed on Rolev.ai on November 12, 2026. Rolev.ai is not the employer.
How Rolev.ai helps with this application
Rolev.ai is a job search and application tool for US job seekers. For this Diagnostic Service Technician (Heavy-Duty Class A Diesel)- role at Cogent Analytics, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.
See how you fit
Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.
Tailor without inventing
Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.
Draft the full kit
Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.
1-Click Extension Autofill
The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.
Similar roles
Common questions
Where is the Diagnostic Service Technician (Heavy-Duty Class A Diesel)- job at Cogent Analytics located?
This Diagnostic Service Technician (Heavy-Duty Class A Diesel)- position at Cogent Analytics is located in Aston, PA. Always check Cogent Analytics's application page for specific state eligibility or relocation policies.
How do I apply for the Diagnostic Service Technician (Heavy-Duty Class A Diesel)- position at Cogent Analytics?
This listing links directly to Cogent Analytics's Lever application page. You can apply directly on Cogent Analytics's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Lever application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.