Diesel Technician

Western Truck Exchange•Los Angeles, CA

About The Position

Western Truck Exchange is looking for an experienced Diesel Technician to join our growing team. We’re building a shop where technicians are supported, respected, and rewarded for skill—especially those who want to grow into (or deepen) a specialty. In this role, you’ll diagnose, repair, and maintain medium-duty trucks with a focus on safety, quality, and clear communication.

Requirements

5+ years of practical experience in mechanical inspections and repairs
High school diploma or equivalent
Proficiency with shop tools/hand tools; ability to supply a basic set of hand tools (as applicable by role/level)
Valid driver’s license; must have or be able to obtain a CDL
Comfortable working in non–climate controlled conditions
Reliable attendance and punctuality
Basic computer skills for maintenance systems and documentation
Willingness to travel as needed (customer yards and training sites)

Nice To Haves

Experience with diagnostic tools
Experience with CAT and Cummins engine diagnostics/repairs (certified repair environment a plus)
Experience with Allison transmission maintenance and rebuild-related services
Experience working on International and Mitsubishi Fuso medium-duty platforms
Vocational/technical certifications

Responsibilities

Perform preventative maintenance inspections, oil changes, chassis lubrication, and identify worn/damaged parts
Repair/diagnose major systems with minimal supervision (based on skill level), including clutches, electrical systems, hydraulic/air brake systems, HVAC, instruments/gauges, and PM services
Diagnose/repair major components including gasoline and diesel engines, drivetrain/powertrain (differentials, transmissions, driveshafts, PTOs, wheel ends), engine bolt-on components (turbochargers, fan clutches, injectors/fuel system components), and electronics (ECM/ECU/sensors)
Road test vehicles as needed to confirm concerns and verify repair quality