About The Position

As a Cox Automotive business, Cox Fleet provides integrated uptime solutions to reduce downtime, improve fleet performance, and keep drivers safely on the road. Its nationwide operation includes skilled technicians, company-operated service centers, a service-provider network, and 24/7/365 operational coordination, supporting equipment from Class 8 trucks and 53-foot trailers to light-duty vehicles. The Mobile Diesel Mechanic II performs licensed DOT inspections, preventative maintenance, diagnostics, and repairs in the field. The role works independently, manages a company-issued service vehicle and its inventory, and supports light-, medium-, and heavy-duty vehicles. The assigned service vehicle may be taken home. The listed schedule is Wednesday through Sunday or 2:00 p.m. to 10:00 p.m. The posting offers a $3,000 new-hire bonus, paid 50% after 30 days and 50% after 180 days.

Requirements

  • High school diploma or GED and 3 years of experience in a related field; alternatively, a degree or certification beyond a high school diploma/GED in a related discipline, or 5 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, valid DOT medical card with more than four months remaining before expiration may be submitted instead of completing a DOT physical; a physical is required if four months or less of validity remain.
  • 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.
  • Understand the implications of new information for current and future problem-solving and decision-making.
  • Be able to lift, bend, climb, stand, and walk for extended periods and perform moderately heavy labor.
  • Be able to exert oneself physically over extended periods without tiring, including while performing repetitive tasks.
  • Communicate information succinctly and in an organized manner, and engage in effective two-way communication with individuals and groups.
  • Determine the type of tools and equipment needed.
  • Accurately judge relative distances between objects and the observer.
  • Use logic and reasoning to assess the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems.

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.
  • ASE T8 (PMI) certification.

Responsibilities

  • Perform scheduled preventative 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 equipment, including electrical, brake, and cooling systems; starters and alternators; fan clutches; engine electronics; diesel steering systems; gas and diesel engines; manual and automatic transmissions; clutches; and differentials.
  • Diagnose, adjust, and repair truck equipment, including electrical, brake, and cooling systems; starters and alternators; air conditioning systems; fan clutches; engine electronics; diesel steering systems; gas and diesel engines; manual and automatic transmissions; clutches; and differentials.
  • 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 verify that they are working properly.
  • Identify problems, assess the accuracy and relevance of information, and use sound judgment to generate and evaluate alternatives.
  • Independently manage parts inventory and equipment on the company-issued service truck and perform periodic reconciliation.
  • Maintain and operate the company-issued service vehicle, conduct safety checks, and complete daily pre- and post-trip inspections.
  • Communicate effectively with clients and customers to assess their needs, provide information or assistance, resolve problems, and meet expectations.
  • Manage concurrent assignments and prioritize work activities and time effectively.
  • Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jacks.
  • Document work to company standards and upload photographs of work, parts used, and findings to Repair Orders using a company-issued iOS device and the TRAIT application.
  • 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 teams by email or phone to obtain repair estimate approvals, retrieve purchase order numbers, and discuss Repair Order findings.
  • Perform work in compliance with company safety, health, and environmental policies and applicable OSHA, EPA, and DOT requirements.

Benefits

  • Weekly pay, with payment every Friday.
  • Safe driving and technician efficiency bonuses.
  • Safety boots and safety glasses reimbursement.
  • Cold- and hot-weather gear.
  • Uniforms provided, with laundry service where available.
  • Company service truck that can be taken home daily.
  • Company-provided tablet and cellphone.
  • Technical training to advance career skills.
  • Dedicated career path; the posting states that over 50% of front-line managers are promoted from within.
  • Health, dental, and vision insurance starting 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.
  • Paid time off accruing up to 200 hours (five weeks), 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 vehicle purchases, cellphone plans, ridesharing, home and rental insurance, and other offerings.
  • Wellness and fitness incentives.
  • $3,000 new-hire bonus, paid 50% after 30 days and 50% after 180 days.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service