Mobile Diesel Mechanic II

Cox Fleet – A Cox Automotive Company 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 50+ nationwide service centers that offer accident repair, painting, refurbishment, and heavy mechanical repair. We support fleets 24/7 with a call center and provide scheduled maintenance and unscheduled services anywhere, anytime.

Mobile Diesel Technician Level II

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 can perform more advanced diagnostics and repairs under the supervision of a Senior Mobile Diesel Technician or higher. The role continues to learn additional advanced mechanical skills and diagnostic techniques.

A successful technician complies with all company policies and achieves high level performance metrics.

• Perform scheduled preventative maintenance, 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 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 various truck equipment such as 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 diagnose malfunctions using handheld computers and pressure gauges.
• Road test vehicles to diagnose malfunctions and ensure proper operation.
• Identify problems, determine accuracy and relevance of information, and generate and evaluate alternatives using sound judgment.
• Independently manage parts inventory and equipment, performing periodic reconciliation.
• Maintain and operate company‑issued service vehicle, conduct safety checks, and pre‑/post‑trip inspections.
• Work with and listen to clients and customers to assess needs, provide information or assistance, resolve problems, and satisfy expectations.
• Manage concurrent tasks, prioritizing work activities and time allocations.
• Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jack.
• Document according to company standards and upload pictures of work performed, parts used, and findings on Repair Orders using company‑issued iOS device and TRAIT application.
• Accurately complete DOT forms and all other documentation promptly.
• Work independently and manage daily schedule.
• Maintain high productivity and meet standard repair times.
• Obtain parts from approved local and national vendors as needed.
• Communicate with management and support via email or phone to obtain approvals on repair estimates, retrieve purchase order numbers, and discuss Repair Order notes.
• Perform all work in compliance with safety, health, environmental policies, and federal regulations (OSHA, EPA, DOT).
• Maintain company‑issued service truck, conduct safety checks, and daily pre/post‑trip inspections.

• High School Diploma/GED and 3 years’ experience in a related field (or alternative combinations such as a degree/certification beyond HS diploma or 5 years of experience).
• Possess and supply a set of hand tools necessary to perform job duties.
• Obtain Automotive Service Excellence (ASE) certification T8 (PMI) within 18 months.
• Position follows DOT regulations; must complete and pass a DOT‑regulated pre‑employment background screening and DOT physical prior to employment.
• Current and valid…