About The Position

Cox Fleet is hiring a Senior Mobile Diesel Technician to provide on-site maintenance and repair services for light-, medium-, and heavy-duty vehicles. The technician performs licensed DOT inspections, preventive maintenance, repairs, and advanced mechanical, hydraulic, electrical, and electronic diagnostics. The role is relied upon to diagnose and triage complicated repairs, serve as a lead at customer jobsites, and act as a consultant for customers. The technician is expected to follow company policies and achieve high performance metrics. This position works Monday through Friday on the evening shift in a mobile/field environment. The technician independently manages a daily schedule, assigned work, parts inventory, and a company-issued service truck. Work is documented using a company-issued iOS device and the company’s TRAIT application. The role requires compliance with company 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 high school in a related discipline and three years of related experience, or seven years of related experience.
  • At least three years of experience with refrigerated equipment.
  • Possess and supply the hand tools necessary to perform the job.
  • Participate in and complete all company-required training.
  • 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 may be submitted in lieu of a physical.
  • Be at least 21 years old due to interstate operating-authority commerce regulations.
  • Have a valid state-of-residence driver's license and be able to obtain and maintain a Driver Qualification File.
  • Obtain ASE T8 (PMI) and ASE 608/609 certifications within 18 months if not already held.
  • Ability to lift, bend, climb, stand, and walk for extended periods and perform moderately heavy labor.
  • Ability 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.
  • Ability to determine the tools and equipment needed for a task.
  • Ability to judge relative distance and use logic and reasoning to assess alternative solutions, conclusions, or approaches.

Nice To Haves

  • OEM training and certifications.
  • 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.

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 equipment, including electrical, brake, cooling, starting, charging, engine, steering, transmission, clutch, and differential systems.
  • Diagnose, adjust, and repair truck equipment, including air conditioning and mechanical, electrical, and electronic 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 verify proper operation.
  • Identify problems and use sound judgment to evaluate information and possible solutions.
  • Independently manage parts inventory and equipment on the company-issued service truck, including periodic reconciliation.
  • Maintain and operate the company-issued service vehicle, perform safety checks, and complete daily pre- and post-trip inspections.
  • Work with customers to assess 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, parts used, and findings on Repair Orders using the company-issued iOS device and TRAIT application, including uploading photographs.
  • Complete DOT forms and other documentation accurately and on time.
  • Work independently, manage the daily schedule, and maintain productivity within or close to Standard Repair Times.
  • Obtain repair 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, with payday every Friday.
  • Safe driving and tech efficiency bonuses.
  • Safety boots and safety glasses reimbursement.
  • Cold- and hot-weather gear.
  • Uniforms provided with laundry service where available.
  • Take-home company service truck.
  • Company-provided tablet and cellphone.
  • Technical training and a dedicated career path.
  • 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.
  • 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.
  • $1,500 new-hire bonus, paid 50% after 30 days and 50% after 180 days.
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