Mobile Diesel & Trailer Mechanic II
Listed on 2026-01-25
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Trades / Skilled Labor
Diesel Mechanic, Heavy Equipment Mechanic
Overview
Cox Fleet by Cox Automotive keeps your fleet moving!
Headquartered 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 on-site fleet service for light, medium, and heavy-duty trucks and trailers. Cox Fleet also services customers utilizing its 20+ nationwide service centers; each offering select services, such as accident repair, paint, refurbishment, and heavy mechanical repair.
Supported by a 24/7 in-house call-center, Cox Fleet provides maintenance scheduled and unscheduled services to fleets anywhere, anytime.
Cox Fleet is currently hiring a Mobile Diesel & Trailer Technician who will be responsible for performing licensed DOT inspections, Preventative Maintenance inspections, light and follow-up repairs, light mechanical/hydraulic/electrical and electronic diagnostics, and other duties as assigned. The Diesel & Trailer Technician can perform more advanced diagnostics and repairs under the supervision of a Sr Mobile Diesel Technician or higher. The Diesel & Trailer Technician continues to learn additional advanced mechanical skills and diagnostic techniques.
A successful Diesel & Trailer Technician complies with all company policies and achieves high level performance metrics.
- 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 adjustments and repairs on various types of truck equipment including, but not limited to:
Electrical/Brake/Cooling Systems, Starters/Alternators, Fan clutches, Engine electronics, Diesel steering systems, Engines (gas and diesel), Transmissions (manual and automatic), Clutches, Differentials, etc. - Perform minor adjustments and repairs on various trailer equipment and systems including, but not limited to: aluminum and chem-lite, trailer brakes, air lines, auxiliary pumps and engines, liftgates, and brake chambers.
- Diagnose, adjust, and repair various types of truck equipment including, but not limited to:
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. - Diagnose, adjust, and perform repairs on various types of trailer equipment and systems including, but not limited to: aluminum and chem-lite, trailer brakes, air lines, auxiliary pumps and engines, liftgates, brake chambers, welding, fabrication, replacement of panels, body, and framework.
- Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers and pressure gauges.
- Road test vehicles to diagnose malfunctions and to ensure that they are working properly.
- Identify problems, determine accuracy and relevance of information, using sound judgment to generate and evaluate alternatives.
- Independently manage parts inventory and equipment provided on company-issued service truck and perform periodic reconciliation.
- Maintain and operate company-issued service vehicle, conduct safety checks, and pre-/post-trip inspections of vehicle.
- Work with and listen effectively to clients and customers to assess their needs, providing information or assistance, resolving their problems, or satisfying their expectations.
- Manage concurrent assigned tasks, making effective judgments as to prioritizing work related activities and time allocations.
- Use hand tools, precision instruments, as well as Diesel tools, welding equipment, lift and jacks.
- Document according to company standards and upload pictures of work performed, parts used, and all findings observed on Repair Orders (“RO”) using company-issued iOS device and our proprietary TRAIT application.
- Accurately complete DOT forms and all other forms of documentation in a timely fashion.
- Work with a high degree of independence and manage own daily schedule.
- Maintain a high level of productivity and be able to work within or…
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