Company OverviewHeadquartered in Indianapolis, Cox Fleet by Cox Automotive has grown to become one of the largest fleet maintenance companies in the country. Cox Fleet is the leading provider of on‑site mobile maintenance and repair services nationwide, offering mobile fleet service for light, medium, and heavy‑duty trucks and trailers. Cox Fleet also services customers utilizing its 50+ nationwide service centers, each offering accident repair, painting, refurbishment, and heavy mechanical repair. We are supported by a 24/7 in‑house call‑center and provide scheduled and unscheduled maintenance services to fleets anywhere, anytime.
Mobile Diesel Technician Level IIPerform licensed DOT inspections, preventative maintenance inspections, light and follow‑up repairs, light mechanical/hydraulic/electrical and electronic diagnostics, and other duties as assigned. The Technician II can perform more advanced diagnostics and repairs under the supervision of a senior Mobile Diesel Technician or higher, continually learning additional advanced mechanical skills and diagnostic techniques.



A successful Technician II complies with all company policies and achieves high‑level performance metrics.
Duties
- Perform scheduled preventative maintenance (“PM”), DOT inspections and follow‑up repairs on light, medium and heavy‑duty vehicles in a mobile/field environment.
- Perform minor adjustment and repairs on truck equipment including electrical/Brake/Cooling systems, starters/alternators, fan clutches, engine electronics, diesel steering systems, engines (gas and diesel), transmissions (manual and automatic), clutches, differenti­als, etc.
- Diagnose, adjust, and repair truck equipment, including electrical/Brake/Cooling systems, starters/alternators, air‑conditioning systems, fan clutches, engine electronics, diesel steering systems, engines (gas and diesel), transmissions (manual and automatic), clutches, differenti­als, etc.
- Inspect, test, and listen to defective equipment to dia

📌 Mobile Diesel Mechanic II Variable Shift (Monterrey)
🏢 Fleet Services by Cox Automotive
📍 Monterrey