About The Position

Cox Fleet, a Cox Automotive business, provides integrated uptime solutions to reduce downtime, improve fleet performance, and keep drivers safely on the road. Its nationwide operation includes more than 1,500 technicians, over 30 company-operated service centers, and a network of more than 65,000 service providers, supported by 24/7/365 operational coordination. The company provides maintenance, repair, and fleet support for equipment ranging from Class 8 trucks and 53-foot trailers to light-duty vehicles. The Sr. Mobile Diesel Technician performs mobile maintenance, inspections, diagnostics, and repairs on light-, medium-, and heavy-duty vehicles. The technician works independently in the field, manages a daily schedule and company-issued service vehicle, and takes the assigned service truck home. The posted schedule is Sunday through Thursday, 10 a.m. to 6 p.m., and the posting advertises a $2,500 new-hire bonus. The role involves working with customers, coordinating with management and support teams, maintaining parts and equipment inventory, and documenting work through repair orders using a company-issued iOS device and the TRAIT application. Work must comply with organizational safety, health, and environmental policies and applicable OSHA, EPA, and DOT regulations.

Requirements

  • High school diploma or GED and five years of experience in a related field; alternatively, a degree or certification beyond a high school diploma/GED in a related discipline and three years of related experience, or seven years of experience in a related field.
  • Possess and provide a set of hand tools necessary to perform job duties.
  • Complete all company-required training.
  • Successfully complete and pass a DOT-regulated pre-employment background screening and DOT physical before employment. A current valid DOT medical card with more than four months remaining may be submitted instead of a DOT physical; a physical is required if the card has four months or less of validity remaining.
  • Be at least 21 years old due to interstate operating authority commerce regulations.
  • Hold a valid driver’s license from the state of residence and be able to obtain and maintain a Driver Qualification File.
  • Ability to lift, bend, climb, stand, and walk for extended periods and perform moderately heavy labor.
  • Ability to exert oneself physically for extended periods without tiring, including performing repetitive tasks.
  • Communicate information succinctly and in an organized manner and engage in effective two-way communication.
  • Determine the types of tools and equipment needed.
  • Judge relative distances between objects and the observer.
  • Use logic and reasoning to evaluate the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems.
  • Understand how new information affects current and future problem-solving and decision-making.

Nice To Haves

  • OEM training and certifications are preferred.
  • 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.
  • ASE T8 (PMI) 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 or field environment.
  • Perform minor adjustments and repairs on truck systems and components, including electrical, brake, cooling, starting and charging, engine, steering, transmission, clutch, and differential systems.
  • Diagnose, adjust, and repair truck equipment, including air-conditioning systems and other mechanical and electronic components.
  • 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 evaluate relevant information and alternative solutions using sound judgment.
  • Manage parts inventory and equipment on the company-issued service truck and periodically reconcile inventory.
  • Maintain and operate the company-issued service vehicle, conduct safety checks, and complete daily pre- and post-trip inspections.
  • Communicate with customers to assess needs, provide information or assistance, and resolve problems or meet expectations.
  • Manage concurrent assignments, prioritize work, and allocate time effectively.
  • Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jacks.
  • Document work, parts used, and findings on repair orders according to company standards, including uploading pictures using a company-issued iOS device and the TRAIT application.
  • Complete DOT forms and other documentation accurately and promptly.
  • Work independently and manage a daily schedule while maintaining productivity within or near Standard Repair Times.
  • Obtain parts from approved local and national vendors as needed.
  • Communicate with management and support teams 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 every Friday.
  • Safe-driving and technician-efficiency bonuses.
  • Safety boots and safety glasses reimbursement.
  • Extreme-weather gear for cold and hot weather.
  • Uniforms provided, with laundry service where available.
  • Assigned service truck may be taken home daily.
  • Company-provided tablet and cellphone.
  • Technical training and a dedicated career path.
  • 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 groups and diversity groups.
  • Company-paid volunteer hours.
  • Employee discounts on new vehicle purchases, cellphone plans, ridesharing, home and rental insurance, and wellness and fitness incentives.
  • $2,500 new-hire bonus.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service