Diagnostic Specialist - Heavy-Duty Trucks

Benefits:

• Competitive salary
• Free uniforms
• Opportunity for advancement
• Training & development

CRC Transport LLC | Bear Terminal, Delaware


Are you experienced in heavy-duty truck diagnostics and enjoy solving complex technical problems? CRC Transport is looking for a skilled Diagnostic Specialist to help keep our fleet safe, reliable, and ready for the road.


What will you be doing?

• Diagnosing complex faults in heavy-duty trucks, including engine, transmission, electrical, ABS, and after treatment systems.
• Using advanced diagnostic software and tools to identify root causes, retrieve fault codes, and perform software updates and ECM/module programming.
• Performing pre- and post-repair diagnostics to verify repairs and ensure trucks are safe and roadworthy.
• Helping reduce downtime and repair costs by identifying effective in-house solutions and avoiding unnecessary dealership visits.
• Supporting mechanics and electricians with technical guidance and troubleshooting.
• Maintaining accurate repair records, diagnostic reports, and parts documentation in the shop management system.
• Coordinating with the shop team to prioritize repairs and communicate progress, delays, and technical issues.
• Following all company safety procedures and applicable DOT requirements.
  
  

What are we looking for?


Ideally, you have:

• 1–2 years of hands-on heavy-duty truck diagnostics experience in a commercial shop or fleet maintenance environment.
• Experience with PACCAR, Cummins, or Volvo diagnostic platforms and aftertreatment systems such as DPF, SCR, and NOx.
• Knowledge of CAN J1939 networks, ABS systems, and Eaton transmissions.
• Ability to read wiring diagrams, interpret fault codes, perform software updates, and program ECMs or other modules.
• Experience with Fullbay or similar shop management software.
• Strong troubleshooting skills, attention to detail, reliability, and the ability to work independently and communicate effectively with the team.
• English language proficiency sufficient for reading technical documentation and communicating with the shop team.

Preferably:

Experience with CAT engine electrical systems, automatic transmission installation and programming, OEM diagnostic tools such as INSITE, ServiceRanger, DAVIE, JPRO, or Jaltest is a plus.

Work schedule and conditions

• Location: Bear Terminal, Delaware
• Schedule: Monday–Friday, 8:00 AM–6:00 PM; Saturday, 8:00 AM–1:00 PM
• Employment Type: 1099 Independent Contractor – Contract Only
• Work environment: On-site commercial truck maintenance shop, with occasional field assistance when critical fleet situations require it.
• Physical requirements: Ability to work around heavy vehicles, stand for extended periods, bend, and use diagnostic equipment. Required PPE must be worn.
• Overtime: May be required to complete critical repairs and maintain fleet readiness.

Interested in joining CRC Transport? Apply today and let's talk!