Job Description

A nationwide commercial fleet maintenance provider in Salt Lake City, UT is hiring a Mobile Diesel Technician III to diagnose, maintain, and repair trucks and trailers at customer locations. Ideal candidates bring 2+ years of tractor-trailer experience, strong diagnostic skills, and the ability to work independently in the field. Apply today for mobile field work, shift premiums, and comprehensive benefits.

Duties & Responsibilities:

• Perform preventive maintenance, diagnostics, and repairs on trucks and trailers at customer locations
• Diagnose and repair gas and diesel engines, transmissions, differentials, clutches, PTOs, and driveline components
• Troubleshoot electrical, HVAC, hydraulic, steering, air brake, ABS, suspension, and electronic systems
• Road test vehicles and use diagnostic equipment to identify faults and verify repairs
• Manage parts, inventory, tires, wheels, and warranty documentation for mobile service work
• Serve as the primary customer contact while maintaining safe, compliant work areas

Qualifications:

• 2+ years of hands-on tractor-trailer maintenance experience required
• High school diploma or equivalent required
• Valid driver’s license required; CDL with air brake certification or willingness to obtain it
• DOT medical card required or ability to obtain one before starting work
• Experience using diagnostic equipment, welding equipment, and standard hand and power tools
• Ability to safely operate a 26,000-lb vehicle and use navigation tools
• Strong troubleshooting, computer, customer service, and independent field-service skills
• Must be able to work in non-climate-controlled conditions, travel as needed, and meet DOT driving and screening requirements
• Must be able to regularly lift up to 50 lbs, occasionally lift up to 100 lbs, and handle truck tires exceeding 100 lbs

Preferred:

• Vocational, technical, or vehicle repair certification
• Specialized training in vehicle component diagnosis, repair, and replacement

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