Mobile Diesel & Trailer Mechanic II Sun - Wed 1pm to 11:30pm

Dickinson Fleet Services•Memphis, TN
•Onsite

About The Position

Cox Fleet is hiring a Mobile Diesel & Trailer Technician to perform maintenance, inspections, diagnostics, and repairs on light-, medium-, and heavy-duty vehicles and trailers in a mobile/field environment. The role performs licensed DOT inspections, preventative maintenance, follow-up repairs, and light mechanical, hydraulic, electrical, and electronic diagnostics. More advanced diagnostics and repairs may be performed under the supervision of a Senior Mobile Diesel Technician or higher, while the technician continues to develop advanced mechanical and diagnostic skills. The technician is expected to comply with company policies and achieve high performance standards. The position requires managing a company-issued service truck, its parts inventory and equipment, and an independent daily schedule. Work includes communicating with customers, management, and support teams; documenting repairs and findings; obtaining parts and repair approvals; and complying with company safety, health, environmental, and applicable federal regulations. The posted schedule is Sunday through Wednesday, 1:00 p.m. to 11:30 p.m.

Requirements

  • High school diploma or GED and three years of experience in a related field; alternatively, a degree or certification beyond a high school diploma/GED in a related discipline, or five years of related experience.
  • Possess and provide a set of 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 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.
  • Meet safe-driving requirements, including a three-year motor vehicle record review.
  • Hold a valid driver’s license from the state of residence and be able to obtain and maintain a Driver Qualification File.
  • Understand how new information affects current and future problem-solving and decision-making.
  • Be able to lift, bend, climb, stand, and walk for long periods and perform moderately heavy labor.
  • Be able to exert oneself physically over extended periods, including 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 and the distance between objects and the observer.
  • Use logic and reasoning to identify 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.

Responsibilities

  • Perform scheduled preventative 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 systems and equipment, including electrical, brake, and cooling systems; starters and alternators; fan clutches; engine electronics; steering systems; gas and diesel engines; transmissions; clutches; and differentials.
  • Perform minor adjustments and repairs on trailer equipment and systems, including aluminum and chem-lite trailers, trailer brakes, air lines, auxiliary pumps and engines, liftgates, and brake chambers.
  • Diagnose, adjust, and repair truck equipment and systems, including air conditioning systems and other mechanical, electrical, brake, cooling, engine, steering, transmission, clutch, and differential components.
  • Diagnose, adjust, and repair trailer equipment and systems, including trailer brakes, air lines, auxiliary pumps and engines, liftgates, brake chambers, welding, fabrication, and replacement of panels, body, and framework.
  • 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 periodically reconcile inventory.
  • Maintain and operate the company-issued service vehicle, perform safety checks, and complete daily pre- and post-trip inspections.
  • Assess customers’ needs, provide information or assistance, resolve problems, and meet expectations through effective communication.
  • Manage concurrent tasks and prioritize work and time effectively.
  • Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jacks.
  • Document work, parts used, and findings on repair orders and upload photographs using a company-issued iOS device and the TRAIT application.
  • Complete DOT forms and other documentation accurately and promptly.
  • Work independently, manage a daily schedule, and maintain productivity 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, 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 regulations.

Benefits

  • Health, dental, and vision insurance starting on the first day of employment.
  • 401(k) matching after 90 days: 100% match on contributions up to 6%, 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.
  • Multiple employee resource and diversity groups, and company-paid volunteer hours.
  • Employee discounts on new vehicle purchases, cellphone plans, ridesharing, home and rental insurance, and other offerings.
  • Wellness and fitness incentives.
  • Safe-driving and technician-efficiency bonuses.
  • Safety boots and safety glasses reimbursement.
  • Extreme-weather gear for cold and hot conditions.
  • Uniforms provided, with laundry service where available.
  • Company service truck may be taken home daily.
  • Company laptop and cellphone provided.
  • Technical training and a dedicated career path, with more than 50% of front-line managers promoted from within, according to the posting.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service