Mobile Diesel Mechanic II

Cox Fleet is currently hiring a Mobile Diesel Technician II.

• 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 (electrical, brake, cooling systems, starters, alternators, fan clutches, engine electronics, diesel steering systems, engines, transmissions, clutches, differentials, etc.).
• Diagnose, adjust, and repair truck equipment across a wide range of systems (electrical, brake, cooling, air conditioning, fan clutches, engine electronics, diesel steering, engines, transmissions, clutches, differentials, etc.).
• 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 the relevance of information, and generate and evaluate alternatives using sound judgment.
• Manage parts inventory and equipment on the company‑issued service truck, performing periodic reconciliations.
• Maintain and operate the company‑issued service vehicle, conducting safety checks and pre/post‑trip inspections.
• Work effectively with clients and customers to assess needs, resolve problems, and satisfy expectations.
• Manage concurrent tasks, prioritizing work activities and time allocations.
• Utilize hand tools, precision instruments, diesel tools, welding equipment, lift jacks.
• Document work according to company standards and upload photos of work performed, parts used, and findings on Repair Orders (RO) via the proprietary TRAIT application on an iOS device.
• Accurately complete DOT forms and all other documentation in a timely fashion.
• Work independently, managing the daily schedule.
• Maintain a high level of productivity, meeting or exceeding standard repair times.
• Obtain parts from approved vendors as needed.
• Communicate with management and support via email or phone for repair estimates, purchase order numbers, and RO findings.
• Perform all work in compliance with safety, health, environmental policies and federal regulations, including OSHA, EPA, and DOT.
• Maintain the service truck, conducting daily safety checks and inspections.

• High School Diploma/GED and at least 3 years of related experience; a degree or certification beyond high school or 5 years of experience may also qualify.
• At least 3 years of experience with refrigerated equipment.
• Possess and supply a set of hand tools necessary for the job.
• OEM training and certifications are preferred.
• Participate in and complete all company‑required training.
• Position follows DOT FMCSA regulations; must successfully complete and pass a DOT‑regulated background screening and DOT physical prior to employment.
• Maintain a valid DOT medical card with more than four months remaining; otherwise a DOT physical will be required.
• Must be at least 21 years old.
• Valid driver’s license required; must obtain and maintain a Driver Qualification File.

• ASE T8 (PMI) certification
• ASE 608/609 certification

• ASE T2 (Diesel Engines) 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 A8 (Engine Performance) certification
• ASE L1 (Advanced Engine Performance Specialist) certification
• ASE L2 (Electronic Diesel Engine Diagnosis Specialist) certification

• Understand implications of new information for problem‑solving and decision‑making.
• Ability to lift, bend, climb, stand, walk for extended periods; perform moderately heavy labor.
• Physical endurance for repetitive tasks.
• Communicate information succinctly and organize it well; engage in two‑way communication.
• Determine appropriate tools and equipment for tasks.
• Accurately judge distance between objects.
• Use logic and reasoning to evaluate alternative solutions.

• Weekly pay—paid every Friday.
• Safe driving and tech efficiency bonuses.
• Reimbursement for safety boots and…