Mobile Diesel Tech II - DOT

Cox Fleet is a leading provider of on‑site mobile maintenance and repair services for light, medium, and heavy‑duty trucks and trailers. The company operates 50+ nationwide service centers and supports fleets with scheduled and unscheduled services through a 24/7 call center.

Responsible for performing licensed DOT inspections, preventative maintenance (PM) inspections, light and follow‑up repairs, and diagnostic tasks on a mobile/field service truck. The Technician II will work independently while advancing advanced mechanical and diagnostic skills under supervision of a Senior Mobile Diesel Technician or higher.

• Perform scheduled PM, DOT inspections, and follow‑up repairs on light, medium, and heavy‑duty vehicles.
• Execute minor adjustments and repairs on a wide range of truck equipment including electrical, brake, cooling, starter/alternator, fan clutch, engine electronics, diesel steering, engine (gas and diesel), transmission, clutch, differential, and more.
• Diagnose, adjust, and repair various truck equipment using handheld computers, pressure gauges, and other testing instruments.
• Conduct road‑tests to confirm proper operation of vehicle systems.
• Analyze problems, evaluate alternatives, and make sound judgments to resolve issues.
• Manage parts inventory on the service truck and perform periodic reconciliations.
• Maintain and operate the company‑issued service vehicle, performing safety checks and pre/post‑trip inspections.
• Communicate effectively with clients to assess needs and provide timely assistance.
• Prioritize concurrent tasks and manage daily schedule for maximum productivity.
• Use hand tools, precision instruments, diesel tools, welding equipment, and lifting devices as required.
• Document work on company Repair Orders (RO) via iOS device and the TRAIT application, including photos, parts used, and findings.
• Complete DOT forms and other documentation accurately and on time.
• Work independently while ensuring compliance with safety, health, environmental policies, OSHA, EPA, and DOT regulations.

• High School Diploma/GE/D or equivalent. 3+ years’ related experience or a degree/certification with 5+ years of experience may also qualify.
• Provide a set of hand tools necessary for the duties.
• Achieve ASE T8 (PMI) certification within 18 months.
• Pass DOT‑regulated pre‑employment background screening and DOT physical.
• Provide a current DOT medical card with >4 months remaining or complete a DOT physical if less.
• Minimum age 21 due to interstate commerce regulations.
• Hold a valid driver’s license and maintain a Driver Qualification File.

• ASE T8 (PMI)

• ASE T3 (Drivetrain)
• ASE T4 (Brakes)
• ASE T5 (Suspension)
• ASE T6 (Electrical & Electronic Systems)
• ASE T7 (HVAC)
• ASE 608/609 (Diesel Components)

• Apply new information to improve problem‑solving and decision‑making.
• Lift, bend, climb, and stand for long periods; perform moderate heavy labor.
• Maintain physical endurance during repetitive tasks.
• Communicate clearly and engage in two‑way communication.
• Select appropriate tools and equipment for tasks.
• Apply logical reasoning to evaluate solutions.

Hourly pay rate ranges from $32.07 to $48.13, depending on location, experience, and performance. The position may include additional compensation such as commission or incentive programs.

Eligible for 6.67 hours of paid time off per month and seven paid holidays annually. Additional PTO is available for bereavement, voting, jury duty, volunteer, military, and parental leave.

Applicants must be authorized to work in the United States without current or future sponsorship.

Equal Opportunity Employer – including disability and veteran status.