Mobile Diesel Mechanic II - Class C License

Mobile Diesel Technician Level II

Headquartered in Indianapolis, Cox Fleet 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. The company also services customers utilizing its 50+ nationwide service centers, each offering accident repair, painting, refurbishment, and heavy mechanical repair.

A 24/7 in‑house call‑center supports scheduled maintenance and unscheduled services to fleets anywhere, anytime.

The Mobile Diesel Technician Level II 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 technician may perform more advanced diagnostics and repairs under the supervision of a Sr Mobile Diesel Technician or higher, continually learning advanced mechanical skills and diagnostic techniques while complying with all company policies and achieving high 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 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, and differentials.
• Diagnose, adjust, and repair various types of truck equipment such as electrical, brake, cooling, air conditioning, fan clutches, engine electronics, diesel steering systems, engines, transmissions, clutches, and differentials.
• 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 ensure proper operation.
• Identify problems, determine accuracy and relevance of information, and use sound judgment to evaluate alternatives.
• Independently manage parts inventory and periodic reconciliation on the company‑issued service truck.
• Maintain and operate the service vehicle, conduct safety checks, and perform pre‑ and post‑trip inspections.
• Work with and listen effectively to clients and customers to assess needs, provide assistance, resolve problems, and satisfy expectations.
• Manage concurrent tasks and prioritize activities and time allocations.
• Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jacks.
• Document work according to company standards and upload pictures, parts used, and findings on repair orders using the company‑issued iOS device and the TRAIT application.
• Accurately complete DOT forms and all other required documentation in a timely fashion.
• Work independently, managing own daily schedule.
• Maintain a high level of productivity and work within or close to most standard repair times.
• Obtain parts from approved local and national vendors as needed for repairs.
• Communicate with management and support teams via email or phone for approvals on repair estimates, purchase order numbers, and repair order findings.
• Perform work in compliance with organizational safety, health, and environmental policies, and federal regulations including OSHA, EPA, and DOT.
• Maintain company‑issued service truck with daily safety checks and pre/post‑trip inspections.

• High School Diploma/GED and 3 years of experience in a related field (or a higher level degree/certification beyond HS/GED and 5 years of experience).
• Possess and supply a set of hand tools necessary for job duties.
• Obtain Automotive Service Excellence (ASE) certification T8 (PMI) within 18 months.
• Complete DOT‑regulated pre‑employment background screening and DOT physical (or substitute a DOT medical card with more than four months validity). A DOT physical is required if the card has four months or less remaining.
• Be at least 21 years old.
• Hold a valid Class C driver’s license and maintain a Driver…