Mobile Diesel Technician
Listed on 2026-05-23
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Transportation
Fleet Maintenance Manager
Headquartered in Indianapolis, Cox Fleet has grown to become one of the largest fleet maintenance companies in the country.
Cox Fleet is the leading provider of on‑site mobile maintenance and repair services nationwide, offering mobile on‑site fleet service for light, medium, and heavy‑duty trucks and trailers. Cox Fleet also services customers utilizing its 50+ nationwide service centers; each offering accident repair, painting, refurbishment, and heavy mechanical repair. We are supported by a 24/7 in‑house call‑center and provide scheduled maintenance services and unscheduled services to fleets anywhere, anytime.
PositionMobile Diesel Technician I
Will be responsible for performing DOT inspections, preventative maintenance inspections and light repairs, and other duties as assigned. Can perform more advanced repairs under the supervision of a Mobile Diesel Technician II or higher. Assists technicians with repairs and continues to learn additional advanced mechanical skills and diagnostic techniques. Work is frequently audited for quality. Successful candidates comply with all company policies and achieve high level performance metrics.
DUTIESPerform scheduled preventative maintenance ("PM"), DOT inspections, and follow‑up repairs on light, medium, and heavy‑duty vehicles in a mobile/field environment.
Perform minor adjustment and repairs on various types of truck equipment including, but not limited to:
Electrical/Brake/Cooling Systems, Starters/Alternators, Fan clutches, Engine electronics, Diesel steering systems, Engines (gas and diesel), Transmissions (manual and automatic), Clutches, Differentials, etc.
Independently manage parts inventory and equipment provided on company‑issued service truck and perform periodic reconciliation.
Maintain and operate company‑issued service vehicle, conduct safety checks, and pre‑/post‑trip inspections of vehicle.
Work with and listen effectively to clients and customers to assess their needs, providing information or assistance, resolving their problems, or satisfying their expectations.
Manage concurrent assigned tasks, making effective judgments as to prioritizing work related activities and time allocations.
Use hand tools, precision instruments, as well as diesel tools, welding equipment, lift and jacks.
Document according to company standards and upload pictures of work performed, parts used, and all findings observed on Repair Orders ("RO") using company‑issued iOS device and our proprietary TRAIT application.
Accurately complete DOT forms and all other forms of documentation in a timely fashion.
Work with a high degree of independence and manage own daily schedule.
Maintain a high level of productivity and be able to work within or close to most standard repair times.
Obtain parts from approved local and national vendors as necessary for the repairs to be performed.
Communicate with management and support team via email or phone to obtain approvals on repair estimates, retrieve purchase order numbers and/or discuss RO findings notes.
Perform all work in compliance with organizational safety, health and environmental policies, and federal regulations, including OSHA, EPA, and DOT.
Maintain company‑issued service truck, conduct safety checks and daily pre/post trip inspections.
REQUIREMENTSHigh School Diploma/GED and up to 2 years’ experience in a related field.
Possess and supply a set of hand tools necessary to perform required job duties.
OEM training and certifications are preferred.
Participate in and complete all company‑required training.
Must successfully complete and pass a DOT‑regulated pre‑employment background screening and DOT physical prior to employment. A current and valid DOT medical card with more than four (4) months remaining until its expiration may be submitted in lieu of a DOT physical. If the card has four (4) months or less of validity remaining, a DOT physical will be required.
Must be at least 21 years or older and hold a valid state‑of‑residence driver’s license, capable of obtaining and maintaining a Driver Qualification File.
REQUIRED CERTIFICATIONS OR OBTAINED WITHIN 18 MONTHS- ASE T8 (PMI) certification
- ASE T4…
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