Sr Mobile Diesel Mechanic

Company

Cox Automotive - USA

Vehicle Operations

Sr Mobile Diesel Tech

Individual Contributor

Can work remotely but need to live in the specified city, state, or region

Yes 100% of the time

Variable

Hourly base pay rate is $35.48 - $53.27/hour. Additional compensation may include commission and/or incentive programs.

Text DFS3 to  while your application is being reviewed.

Veterans encouraged to apply.

Fleet Services by Cox Automotive keeps your fleet moving! Headquartered in Indianapolis, we are one of the largest fleet maintenance companies nationwide, providing mobile on‑site maintenance and repair services for light, medium, and heavy‑duty trucks and trailers, plus a 24/7 call‑center and scheduled/unscheduled services across the country.

Sr Mobile Diesel Technician – responsible for licensed DOT inspections, preventative maintenance, light and advanced repairs, advanced mechanical/hydraulic/electrical diagnostics, and other duties. Acts as a consultant on the customer’s behalf and leads mobile diesel service teams.

• 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, fan clutches, engine electronics, diesel steering systems, engines, transmissions, clutches, and differentials.
• Diagnose, adjust, and repair truck equipment such as 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 handheld computers and pressure gauges.
• Road test vehicles to diagnose malfunctions and ensure proper operation.
• Identify problems, determine accuracy and relevance of information, and use sound judgment to evaluate alternatives.
• Independently manage parts inventory, perform periodic reconciliation on company‑issued service truck.
• Maintain and operate company‑issued service vehicle, perform safety checks and pre‑/post‑trip inspections.
• Work with and listen to clients and customers to assess their needs, provide information or assistance, and resolve problems.
• Manage concurrent assigned tasks, prioritizing work and time allocation effectively.
• Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jacks.
• Document work according to company standards and upload photos, parts used, and findings on Repair Orders (RO) using iOS devices and the TRAIT application.
• Accurately complete DOT forms and all other required documentation in a timely manner.
• Work independently and manage own daily schedule.
• Maintain a high level of productivity and meet standard repair times.
• Obtain parts from approved local and national vendors as needed.
• Communicate with management and support teams via email or phone for repair estimates, purchase orders, and RO findings.
• Perform all work in compliance with safety, health, and environmental policies, and federal regulations (OSHA, EPA, DOT).
• Maintain company issued service truck and conduct daily pre/post-trip inspections.

• High School Diploma/GED and 5 years of related experience, or equivalent combination of education and experience.
• Possess a set of hand tools necessary for required duties.
• Obtain Automotive Service Excellence (ASE) certification T8 (PMI) within 18 months.
• Obtain 608/609 certification within 18 months.
• Must successfully complete DOT‑regulated pre‑employment background screening and DOT physical prior to employment.
• Valid DOT medical card with at least 4 months remaining, or a DOT physical if card is less than 4 months.
• Must be at least 21 years old.
• Hold a valid state driver’s license and maintain a Driver Qualification File.

• ASE T8 (PMI)
• ASE 608/609 certifications

• ASE T2
• ASE T3
• ASE T4
• ASE T5
• ASE…