About The Position

Cox Fleet is hiring a Mobile Diesel Technician Level II to perform mobile maintenance and repairs on light-, medium-, and heavy-duty vehicles. The technician performs licensed DOT inspections, preventive maintenance inspections, light and follow-up repairs, and mechanical, hydraulic, electrical, and electronic diagnostics. More advanced diagnostics and repairs are performed under the supervision of a Senior Mobile Diesel Technician or higher, while the technician continues to develop advanced mechanical and diagnostic skills. The role requires compliance with company policies and performance standards. The technician works in a mobile or field environment, manages their own daily schedule with a high degree of independence, and maintains a company-issued service truck. The position includes customer communication, parts and equipment management, repair documentation, and compliance with applicable safety, health, environmental, and federal regulations. A $2,500 new-hire bonus is offered, with half paid after 30 days and half after 180 days.

Requirements

  • High school diploma or GED and three years of experience in a related field; alternatively, a different combination may qualify, such as a related degree or certification beyond high school/GED, or five years of related experience.
  • Possess and supply the hand tools necessary to perform the job duties.
  • Obtain ASE T8 (PMI) certification within 18 months.
  • Successfully complete and pass a DOT-regulated pre-employment background screening and DOT physical before employment.
  • A current DOT medical card with more than four months remaining until expiration may be submitted instead of a DOT physical; a physical is required if the card has four months or less remaining.
  • Be at least 21 years old due to interstate operating authority commerce regulations.
  • Hold a valid state-of-residence driver’s license and be able to obtain and maintain a Driver Qualification File.
  • Hold a Class C driver’s license.
  • Be able to lift, bend, climb, stand, and walk for long periods and perform moderately heavy labor.
  • Be able to exert oneself physically for extended periods, including performing repetitive tasks.
  • Communicate information succinctly and in an organized manner and engage in effective two-way communication.
  • Determine the tools and equipment needed for tasks.
  • Accurately judge relative distances between objects and the observer.
  • Use logic and reasoning to evaluate alternative solutions, conclusions, or approaches to problems.
  • Understand how new information affects current and future problem-solving and decision-making.

Nice To Haves

  • 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.

Responsibilities

  • Perform scheduled preventive 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 truck equipment, including electrical, brake, cooling, starting, charging, engine, steering, transmission, clutch, and differential systems.
  • Diagnose, adjust, and repair truck equipment, including electrical, brake, cooling, air-conditioning, engine, steering, transmission, clutch, and differential systems.
  • Inspect, test, and listen to defective equipment to diagnose malfunctions using instruments such as handheld computers and pressure gauges.
  • Road-test vehicles to diagnose malfunctions and confirm proper operation.
  • Identify problems and use sound judgment to assess information and evaluate alternatives.
  • Manage parts inventory and equipment on the company-issued service truck and perform periodic reconciliation.
  • Maintain and operate the company-issued service vehicle, including safety checks and daily pre- and post-trip inspections.
  • Communicate with clients and customers to assess needs, provide information or assistance, and resolve problems or meet expectations.
  • Manage concurrent tasks and prioritize work and time effectively.
  • Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jacks.
  • Document work performed, parts used, and findings on repair orders using a company-issued iOS device and the TRAIT application; upload required pictures.
  • Complete DOT forms and other documentation accurately and promptly.
  • Work independently and manage the daily schedule.
  • Maintain productivity and work within or close to standard repair times.
  • Obtain parts from approved local and national vendors as needed.
  • Communicate with management and support staff by email or phone to obtain estimate approvals, purchase order numbers, or discuss repair-order findings.
  • Perform work in compliance with company safety, health, and environmental policies and applicable OSHA, EPA, and DOT regulations.

Benefits

  • Weekly pay.
  • Safe-driving and technician-efficiency bonuses.
  • Reimbursement for safety boots and safety glasses.
  • Extreme-weather gear for cold and hot conditions.
  • Uniforms provided, with laundry service where available.
  • Company service truck may be taken home daily.
  • Company-provided tablet and cellphone.
  • Technical training and a dedicated career path, with more than 50% of front-line managers promoted from within.
  • Health, dental, and vision insurance beginning on the first day of employment.
  • 401(k) matching after 90 days: 100% match up to a 6% contribution, plus an additional 2% discretionary company contribution.
  • Accrue up to 200 hours (five weeks) of paid time off based on tenure.
  • Tuition assistance or reimbursement.
  • Adoption and surrogacy assistance.
  • Pet insurance.
  • Employee resource and diversity groups, and company-paid volunteer hours.
  • Employee discounts on new vehicle purchases, cellphone plans, ridesharing, home and rental insurance, wellness and fitness incentives, and more.
  • $2,500 new-hire bonus, paid 50% after 30 days and 50% after 180 days.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service