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Mobile Diesel Mechanic II - Day Shift

Job in Glendale, Maricopa County, Arizona, 85318, USA
Listing for: CAI Cox Automotive Corp Svcs., LLC
Full Time position
Listed on 2026-06-29
Job specializations:
  • Trades / Skilled Labor
    Diesel Mechanic, Heavy Equipment Mechanic
Salary/Wage Range or Industry Benchmark: 45000 - 60000 USD Yearly USD 45000.00 60000.00 YEAR
Job Description & How to Apply Below

Mobile Diesel Technician II – DOT Management Level

Job Summary:

The Mobile Diesel Technician Level II will be responsible for performing licensed DOT inspections, preventative maintenance inspections, light and follow‑up repairs, light mechanical/hydraulic/electrical and electronic diagnostics, and other duties as assigned. The Technician can perform more advanced diagnostics and repairs under the supervision of a Senior Mobile Diesel Technician or higher.

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 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, and differentials.

Diagnose, adjust, and repair various truck equipment, including electrical/brake/cooling systems, starters/alternators, air conditioning systems, fan clutches, engine electronics, diesel steering systems, engines, transmissions, clutches, and differentials.

Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers and pressure gauges.

Road test vehicles to diagnose malfunctions and to ensure that they are working properly.

Identify problems, determine accuracy and relevance of information, using sound judgment to generate and evaluate alternatives.

Independently manage parts inventory, perform periodic reconciliation, and maintain and operate company‑issued service vehicle, conducting safety checks and pre‑/post‑trip inspections.

Work with and listen effectively to clients and customers to assess needs, provide assistance, and resolve problems.

Manage concurrently assigned tasks, prioritizing work‑related activities and time allocations.

Use hand tools, precision instruments, diesel tools, welding equipment, lift, and jacks.

Document work according to company standards and upload pictures of parts used and findings on Repair Orders using iOS device and the proprietary TRAIT application.

Accurately complete DOT forms and all other documentation in a timely fashion.

Work independently, manage own daily schedule, and maintain a high level of productivity within or close to most Standard Repair Times.

Obtain parts from approved vendors as necessary; communicate with management and support team via email or phone to obtain approvals on repair estimates, retrieve purchase order numbers, and discuss RO findings notes.

Requirements
  • High School Diploma/GED and 3 years of experience in a related field; or a degree/certification beyond HS diploma/GED in a related discipline; or 5 years of experience in a related field.
  • Possess and supply a set of hand tools necessary to perform job duties.
  • Obtain Automotive Service Excellence (ASE) certification T8 (PMI) within eighteen (18) months.
  • Complete and pass a DOT‑regulated pre‑employment background screening and DOT physical prior to employment.
  • Hold a current and valid DOT medical card with more than four (4) months remaining or be willing to undergo a DOT physical.
  • Be at least 21 years or older.
  • Safe driver; valid driver’s license required; hold a valid state‑of‑residence driver’s license and maintain a Driver Qualification File.
Required Certifications or Obtained Within 18 Months
  • ASE T8 (PMI) certification
  • ASE T3 (Drivetrain) certification (preferred)
  • ASE T4 (Brakes) certification (preferred)
  • ASE T5 (Suspension) certification (preferred)
  • ASE T6 (Electrical and Electronic Systems) certification (preferred)
  • ASE T7 (HVAC) certification (preferred)
  • ASE 608/609 certification (preferred)
Skills & Abilities
  • Understand new information for current and future problem solving and decision making.
  • Ability to lift, bend, climb, stand, and walk for long periods; perform moderately heavy laboring work.
  • Ability to exert oneself physically over long periods without tiring.
  • Communicate information succinctly and organized; engage in effective two‑way communication.
  • Determine appropriate tools and equipment
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