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Mobile Diesel Technician II

Job in Foxborough, Norfolk County, Massachusetts, 02085, USA
Listing for: Fleet Services by Cox Automotive
Full Time position
Listed on 2026-05-10
Job specializations:
  • Trades / Skilled Labor
    Diesel Mechanic, Heavy Equipment Mechanic
Salary/Wage Range or Industry Benchmark: 50000 - 70000 USD Yearly USD 50000.00 70000.00 YEAR
Job Description & How to Apply Below
Position: Mobile Diesel Technician II $3000 New Hire Bonus

Mobile Diesel Technician Level II

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 II can perform advanced diagnostics and repairs under the supervision of a Sr Mobile Diesel Technician or higher. A successful Technician II complies with all company policies and achieves high level performance metrics.

Duties
  • 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 Electrical/Brake/Cooling Systems, Starters/Alternators, Fan clutches, Engine electronics, Diesel steering systems, Engines (gas and diesel), Transmissions (manual and automatic), Clutches, Differentials, etc.
  • Diagnose, adjust, and repair various types of truck equipment including Electrical/Brake/Cooling Systems, Starters/Alternators, Air conditioning systems, Fan clutches, Engine electronics, Diesel steering systems, Engines (gas and diesel), Transmissions (manual and automatic), Clutches, Differentials, etc.
  • 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 ensure they are working properly.
  • Identify problems, determine accuracy and relevance of information, use sound judgment to generate and evaluate alternatives.
  • 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 perform pre‑/post‑trip inspections.
  • Work with and listen effectively to clients and customers to assess their needs, provide information or assistance, resolve their problems, or satisfy expectations.
  • Manage concurrent assigned tasks, prioritizing work‑related activities and time allocation.
  • Use hand tools, precision instruments, 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 the proprietary TRAIT application.
  • Accurately complete DOT forms and other required documentation in a timely fashion.
  • Work with a high degree of independence and manage own daily schedule.
  • Maintain a high level of productivity and work within standard repair times.
  • Obtain parts from approved local and national vendors as needed.
  • Communicate with management and support team via email or phone to obtain approvals on repair estimates, retrieve purchase order numbers, and discuss RO findings.
  • Perform all work in compliance with safety, health, environmental policies, and federal regulations (OSHA, EPA, DOT).
Requirements
  • High School Diploma/GED and 3 years’ experience in a related field (or equivalent combination such as a degree/certification beyond HS diploma/GED and 5 years’ experience).
  • Possess and supply a set of hand tools necessary to perform required job duties.
  • Obtain Automotive Service Excellence (ASE) certification T8 (PMI) within 18 months.
  • Comply with DOT regulations, including background screening and DOT physical or DOT medical card.
  • Must be at least 21 years old.
  • Valid driver’s license and ability to obtain/maintain Driver Qualification File.
Required Certifications (within 18 months)
  • ASE T8 (PMI)
Preferred Certifications
  • ASE T3 (Drivetrain)
  • ASE T4 (Brakes)
  • ASE T5 (Suspension)
  • ASE T6 (Electrical and Electronic Systems)
  • ASE T7 (HVAC)
  • ASE 608/609
Skills & Abilities
  • Understand implications of new information for current and future problem-solving and decision-making.
  • Ability to lift, bend, climb, stand, walk for long periods; perform moderately heavy labor.
  • Ability to exert oneself physically over long periods without tiring, including repetitive tasks.
  • Communicate information succinctly and organized; engage in effective two‑way communication.
  • Determine tools and equipment
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