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Sr Mobile Diesel & Trailer Mechanic
Job in
Fort McKavett, Menard County, Texas, USA
Listed on 2026-01-02
Listing for:
Cox Automotive Inc.
Full Time
position Listed on 2026-01-02
Job specializations:
-
Trades / Skilled Labor
Diesel Mechanic, Heavy Equipment Mechanic
Job Description & How to Apply Below
Overview
Join to apply for the Sr Mobile Diesel & Trailer Mechanic role at Cox Automotive Inc.
Fleet Services - a Cox Automotive Company keeps your fleet moving. Headquartered in Indianapolis, Fleet Services has grown to become one of the largest fleet maintenance companies in the country and provides on-site mobile maintenance and repair services nationwide for light, medium, and heavy-duty trucks and trailers.
Responsibilities- Perform scheduled preventative maintenance (PM), DOT inspections and follow-up repairs on light, medium and heavy-duty vehicles in a mobile/field environment.
- Perform minor adjustments and repairs on various truck equipment including electrical, brake, cooling systems, starters/alternators, engine electronics, diesel steering, engines (gas and diesel), transmissions, clutches, differentials, and related components.
- Diagnose, adjust, and repair electrical, brake, cooling, engine electronics, air conditioning systems, steering, transmissions, clutches, and other truck equipment as needed.
- Inspect, test, and listen to defective equipment to diagnose malfunctions using test instruments (handheld computers, pressure gauges).
- Road test vehicles to diagnose malfunctions and ensure proper operation.
- Identify problems, assess information for accuracy, and generate/evaluate alternatives with sound judgment.
- Independently manage parts inventory and equipment on the company-issued service truck and perform periodic reconciliation.
- Maintain and operate the company-issued service vehicle, perform safety checks, and conduct pre-/post-trip inspections.
- Work with clients to assess needs, provide information or assistance, resolve problems, and meet expectations.
- Manage concurrent tasks with effective prioritization and time management.
- Use hand tools, precision instruments, Diesel tools, welding equipment, lifts and jacks.
- Document work according to company standards and upload photos of work performed, parts used, and findings on Repair Orders using the TRAIT application on an iOS device.
- Complete DOT forms and other documentation in a timely manner.
- Work with a high degree of independence and manage own daily schedule.
- Maintain productivity and operate within or close to standard repair times.
- Obtain parts from approved local and national vendors as needed for repairs.
- Communicate with management and support teams to obtain approvals for repair estimates, retrieve purchase order numbers, and discuss RO findings.
- Perform all work in compliance with safety, health and environmental policies and applicable regulations (OSHA, EPA, and DOT).
- Maintain the company-issued service truck and conduct safety checks and daily pre-/post-trip inspections.
- High School Diploma/GED and 3 years' related experience; or alternative combinations such as higher-level degree/certification in a related discipline; or 5 years' related experience.
- At least 3 years of experience with refrigerated equipment.
- Possess and provide a set of hand tools necessary to perform job duties.
- OEM training and certifications are preferred.
- Ase L2 preferred but not required.
- Participate in and complete all required company training.
- DOT regulations compliance: able to pass pre-employment background screening and DOT physical; DOT medical card may be substituted under conditions described in the original posting.
- Must be at least 21 years old due to interstate regulations; valid driver’s license and ability to obtain/maintain a Driver Qualification File.
- ASE T8 (PMI) certification
- ASE 608/609 certification
- ASE T2 (Diesel Engines)
- ASE T3 (Drivetrain)
- ASE T4 (Brakes)
- ASE T5 (Suspension)
- ASE T6 (Electrical and Electronic Systems)
- ASE T7 (HVAC)
- ASE A8 (Engine Performance)
- ASE L1 (Advanced Engine Performance Specialist)
- ASE L2 (Electronic Diesel Engine Diagnosis Specialist)
- Understand implications of new information for current and future problem-solving and decision-making.
- Ability to lift, bend, climb, stand, and walk for long periods and perform moderately heavy labor.
- Physically able to exert oneself over long periods, including repetitive tasks.
- Communicate…
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