Mobile Diesel Mechanic II

Overview

Cox Fleet is a leading provider of on‑site mobile maintenance and repair services for trucks and trailers across the United States. The company operates more than 50 service centers and offers a 24/7 in‑house call center.

Mobile Diesel Technician II

7:00 am – 5:00 pm

Edison, New Jersey

• 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, starter/alternator, fan clutch, engine electronics, diesel steering, gas and diesel engines, manual and automatic transmissions, clutches, and differentials.
• Diagnose, adjust, and repair truck equipment related to electrical, brake, cooling, starter/alternator, air conditioning, fan clutch, engine electronics, diesel steering, 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 verify proper function.
• Identify problems, evaluate alternatives, and use sound judgment to determine appropriate solutions.
• Independently manage parts inventory and equipment on company‑issued service trucks, performing periodic reconciliation.
• Maintain and operate company‑issued service vehicle, conducting safety checks and pre‑/post‑trip inspections.
• Work with clients and customers to assess needs, provide assistance, and resolve issues.
• Manage concurrent tasks, prioritizing work‑related activities and time allocations.
• Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jacks.
• Document work according to company standards, uploading pictures of work performed, parts used, and findings on Repair Orders (RO) via company‑issued iOS device and TRAIT application.
• Accurately complete DOT forms and other documentation in a timely manner.
• Work independently and manage own daily schedule.
• Maintain a high level of productivity and adhere to Standard Repair Times.
• Obtain parts from approved local and national vendors as needed.
• Communicate with management and support teams via email or phone to obtain approvals on repair estimates and purchase order numbers.
• Perform all work in compliance with organizational safety, health, and environmental policies, and federal regulations (OSHA, EPA, DOT).
• Maintain company‑issued service truck, conducting safety checks and daily pre/post‑trip inspections.

• High School Diploma or GED with 3 years of related experience. Candidates with a higher degree or certification and/or 5+ years of experience are also considered.
• At least 3 years of experience with refrigerated equipment.
• Possess and supply a set of hand tools necessary for job duties.
• OEM training and certifications are preferred.
• Complete all company‑required training.
• Must successfully complete and pass a DOT‑regulated pre‑employment background screening and DOT physical prior to employment (or provide a valid DOT medical card with >4 months remaining).
• Must be at least 21 years old and possess a valid state driver’s license, and be able to obtain and maintain a Driver Qualification File.
• Must be a safe driver with a clean driving record.

• 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)

• Ability to process new information for current and future problem‑solving.
• Physical strength to lift, bend, climb, stand, and walk for extended periods and perform moderately heavy labor.
• Capacity to exert oneself physically without tiring over long periods, including repetitive tasks.
• Communicate facts, ideas, and messages succinctly and organize information effectively.
• Engage in effective two‑way communication with individuals and groups.
• Determine appropriate tools and equipment…