Mobile Diesel Mechanic II

Cox Fleet keeps your fleet moving! We are 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. Our fleet consists of 50+ nationwide service centers, each offering accident repair, painting, refurbishment, and heavy mechanical repair. We support our fleet with a 24/7 call center and provide scheduled and unscheduled maintenance services to fleets anywhere, anytime.

• 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 equipment such as electrical, brake, cooling, starters, alternators, fan clutches, engine electronics, diesel steering, engines, transmissions, clutches and differentials.
• Diagnose, adjust, and repair various truck equipment, including electrical, brake, cooling, automotive air conditioning systems, fan clutches, engine electronics, diesel steering, engines, transmissions, clutches and differentials.
• 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 and generate alternatives using sound judgment.
• Independently manage parts inventory and perform periodic reconciliation on the company‑issued service truck.
• Maintain and operate the service vehicle, conduct safety checks and pre‑/post‑trip inspections.
• Work with clients to assess their needs, provide assistance, and resolve issues.
• Manage concurrent tasks and prioritize work activities and time allocations.
• Use hand tools, precision instruments, diesel tools, welding equipment, lifts and jacks.
• Document work and upload photos of parts used and findings on Repair Orders using an iOS device and the TRAIT application.
• Accurately complete DOT and other required forms in a timely manner.
• Manage own daily schedule with a high degree of independence.
• Maintain a high level of productivity and meet Standard Repair Times.
• Obtain parts from approved local and national vendors as needed.
• Communicate with management via email or phone for repair estimates, purchase orders, and findings.
• Perform all work in compliance with safety, health, and environmental policies and federal regulations, including OSHA, EPA, and DOT.
• Maintain company‑issued service truck and conduct safety checks and pre/post‑trip inspections.

• High School Diploma/GED and 3 years of related experience (or equivalent combination of education and experience). Candidates with a different combination of education or 5+ years of experience are also considered.
• Possess and supply necessary hand tools for the job.
• Obtain Automotive Service Excellence (ASE) certification T8 (PMI) within 18 months.
• Successfully complete a DOT‑regulated pre‑employment background check and DOT physical (or acceptable medical card with >4 months validity). Candidates must be at least 21 years old.
• Safe drivers needed; valid driver’s license required. Must hold a valid state‑of‑residence driver’s license, obtain and maintain a Driver Qualification File.

• ASE T8 (PMI) certification

• ASE T3 (Drivetrain) certification
• ASE T4 (Brakes) certification
• ASE T5 (Suspension) certification
• ASE T6 (Electrical and Electronic Systems) certification
• ASE T7 (HVAC) certification
• ASE 608/609 certification

• Understand implications of new information for current and future problem‑solving.
• Ability to lift, bend, climb, stand, and walk for long periods; perform moderately heavy labor and repetitive tasks.
• Communicate information succinctly and engage in effective two‑way communication.
• Determine appropriate tools and equipment needed.
• Accurately judge distances between objects.
• Use logic and reasoning to evaluate alternative solutions.

• Safe driving and tech efficiency bonuses
• Safety boots and glasses reimbursement
• Extreme weather gear (cold & hot)
• Uniforms with laundry service where available
• Take the service truck home daily…