Diesel Technician

Commercial Truck and Trailer Repair • Phoenix, AZ

14d • Onsite

About The Position

Commercial Truck & Mobile Repair is hiring an experienced Diesel Technician to perform maintenance, diagnostics, and repairs on Class 6–8 commercial trucks and trailers. The role combines hands-on shop work with mobile service at customer locations, working independently in the field and collaboratively with the shop team. Technicians work on a range of makes, engines, and transmissions, including Caterpillar, Cummins, Detroit Diesel, Mercedes-Benz, and International engines, and Eaton and Allison transmissions.

Requirements

• High school diploma or equivalent.
• Knowledge of heavy-duty truck and trailer systems, diagnostics, preventive maintenance, and DOT inspections.
• Valid driver’s license.
• Strong communication, organizational, and troubleshooting skills.
• Ability to work independently in the field and collaboratively in the shop.
• Proficiency with iPads, repair order systems, email, and basic computer applications.
• Must provide personal hand tools adequate for the job.
• Must successfully pass a drug test and background check.

Nice To Haves

• Three or more years of diesel technician experience.
• CDL-A.

Responsibilities

• Diagnose, inspect, maintain, and repair Class 6–8 trucks and trailers, including brakes, tires, electrical systems, and other components.
• Perform preventive maintenance, DOT inspections, necessary repairs, and component replacements.
• Complete service calls at customer locations and perform repairs in the shop as needed.
• Maintain service truck tools, equipment, and parts inventory, and obtain parts from local vendors as necessary.
• Open and close repair orders using a company-issued iPad and accurately complete required service documentation.
• Maintain productivity and work within established Standard Repair Times (SRTs).
• Communicate professionally with customers and coworkers while maintaining a safe, clean, and organized work environment.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED