Diesel Technician

Apply Job Type Full-time Description Commercial Truck & Mobile Repair is a growing, full-service fleet maintenance company that has served commercial fleets since the mid-1970s. With established operations in St. Paul, MN, and Houston, TX, we are expanding our footprint with a new, state-of-the-art heavy-duty diesel repair facility on the West Side of Phoenix, strategically located near major transportation hubs to serve regional and national fleets. As part of the Berger Moving & Storage family of companies, we take pride in our strong team culture, commitment to customer service, and opportunities for professional growth. We value employees who demonstrate hard work, integrity, respect, and a dedication to keeping our customers moving. We are seeking an experienced Diesel Technician to perform maintenance, diagnostics, and repairs on Class 6–8 commercial trucks and trailers. This position combines hands-on work in the shop with mobile service at customer locations, offering variety and the opportunity to work independently as well as alongside a team. Our technicians work on a wide range of makes, engines, and transmissions, including Caterpillar, Cummins, Detroit Diesel, Mercedes-Benz, and International engines, as well as Eaton and Allison transmissions. Key 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, and necessary repairs or component replacements. Complete service calls at customer locations and perform repairs in the shop as needed. Maintain service truck tools, equipment, and parts inventory; obtain parts from local vendors as necessary. Open and close repair orders using a company-issued iPad and accurately complete all 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. Qualifications High school diploma or equivalent required. Three or more years of diesel technician experience preferred. Knowledge of heavy-duty truck and trailer systems, diagnostics, preventive maintenance, and DOT inspections. Valid driver’s license required; CDL-A preferred but not required. 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. Why Join Us? Join an established and growing fleet maintenance company. Enjoy a varied role combining shop repairs and mobile service. Work with a wide range of commercial vehicles and equipment. Be part of a supportive team that values safety, quality, and professional development. Ready to put your skills to work? Join Commercial Truck & Mobile Repair and help keep our customers’ fleets moving. Commercial Truck & Mobile Repair is an Affirmative Action/Equal Opportunity employer that welcomes diversity in the workplace. All applicants will receive consideration for employment regardless of their race, color, creed, religion, national origin, sex, sexual orientation, disability, age, marital status or status with regard to public assistance. Salary Description Up to $45/hr