About The Position

Cox Fleet is hiring a Mobile Diesel Technician Level II to provide on-site maintenance and repair for light-, medium-, and heavy-duty vehicles in a mobile/field environment. The role performs licensed DOT inspections, preventive maintenance inspections, follow-up repairs, and light 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 build advanced mechanical and diagnostic skills. The position requires compliance with company policies and safety, health, environmental, and federal regulations, as well as achievement of performance metrics. The technician works with a high degree of independence, manages a daily schedule and assigned tasks, maintains parts inventory and a company-issued service truck, and documents work and findings using a company-issued iOS device and the TRAIT application. A $5,000 new-hire bonus is offered, with 50% paid after 30 days and 50% 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 degree or certification beyond a high school diploma/GED in a related discipline, 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, valid DOT medical card with more than four months remaining before expiration may be submitted instead of a DOT physical; a physical is required if four months or less remain.
  • Be at least 21 years old due to interstate operating authority commerce regulations.
  • Have a valid driver’s license from the state of residence, be a safe driver, and be able to obtain and maintain a Driver Qualification File.
  • 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 types of tools and equipment needed.
  • Accurately judge relative distance between objects and the observer.
  • Use logic and reasoning to assess the strengths and weaknesses of alternative solutions, conclusions, or approaches.

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 systems and equipment, including electrical and brake systems, 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 systems and equipment, including electrical and brake systems, 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 proper operation.
  • Identify problems, assess the accuracy and relevance of information, and use sound judgment to 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.
  • Work effectively with clients and customers to assess needs, provide information or assistance, resolve problems, and meet expectations.
  • Manage concurrent assigned tasks and prioritize work activities and time allocations effectively.
  • Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jacks.
  • Document work to company standards and upload pictures of work performed, 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.
  • Manage an independent 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 estimate approvals, retrieve purchase order numbers, and discuss repair-order findings.
  • Perform work in compliance with organizational safety, health, and environmental policies and federal regulations, including OSHA, EPA, and DOT requirements.
  • Maintain the company-issued service truck and complete its safety checks and daily pre- and post-trip inspections.

Benefits

  • $5,000 new-hire bonus, with 50% paid after 30 days and 50% after 180 days.
  • Weekly pay every Friday.
  • 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-provided tablet and cellphone.
  • Technical training to advance career.
  • Dedicated career path; more than 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 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/reimbursement.
  • Adoption and surrogacy assistance.
  • Pet insurance.
  • Employee resource groups, diversity groups, and company-paid volunteer hours.
  • Employee discounts on new vehicle purchases, cellphone plans, ridesharing, home/rental insurance, and other offerings.
  • Wellness/fitness incentives.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service