Remote Senior Mobile Diesel & Trailer Mechanic (Travel)

CAI Cox Automotive Corp Svcs., LLC; New Mexico; Hybrid; USD 44,441 - 66,689; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) matching

Paid time off

Tuition assistance

Take-home service truck

Job summary

Cox Automotive is seeking a Sr. Mobile Diesel & Trailer Mechanic to perform PMs and DOT inspections on various vehicle classes in a remote field role with 100% travel.

You will diagnose complex systems, fabricate repairs, maintain inventory, and coordinate with customers and teams using TRAIT and iOS devices. Requirements include a high school diploma or GED, 3+ years in mobile diesel work, a valid driver’s license, and a DOT card.

Qualifications

• High School Diploma or GED; alternative: degree or certification with at least 3–5 years of experience.
• Minimum 3 years of experience (preferably refrigerated equipment). If less, higher education or certification may compensate.
• Valid state driver’s license; at least 21 years old; must obtain and maintain a Driver Qualification File.
• Current DOT medical card with ≥4 months validity or completion of a DOT physical.
• Pass DOT-regulated pre-employment background screening and DOT physical.
• Must possess and supply a set of hand tools necessary for job duties.
• ASE training and certifications preferred; required within 18 months: ASE T8 (PMI) and ASE 608/609.

Responsibilities

• Perform scheduled preventive maintenance (PM) and DOT inspections on light, medium, and heavy-duty vehicles in a mobile field environment.
• Conduct minor adjustments and repairs on trailer equipment and systems—including aluminum chassis, brake and air systems, auxiliary pumps, engines, liftgates, and brake chambers—and on truck equipment including electrical, brake, cooling, starter/alternator, fan clutch, engine electronics, diesel steering, transmissions, clutches, and differentials.
• Diagnose and repair complex mechanical, hydraulic, electrical, and electronic systems; fabricate and weld replacement panels, body, and framework as needed.
• Inspect, test, and use handheld diagnostic instruments and pressure gauges to identify malfunctions; road-test vehicles to confirm repairs.
• Manage parts inventory, maintain company-issued service vehicle, and perform safety and pre/post-trip inspections.
• Communicate with clients, customers, and the support team to assess needs, provide assistance, and resolve problems.
• Document work in Repair Orders (RO) using company iOS devices and the TRAIT application; upload photos and complete DOT forms accurately.
• Operate independently, manage daily schedule, prioritize tasks, and maintain productivity within standard repair times.
• Obtain parts from approved local and national vendors, and coordinate approvals for repair estimates and purchase orders.
• Ensure compliance with OSHA, EPA, DOT and company safety, health, and environmental policies.

Skills

Diagnostics

Problem-solving

Manual dexterity

Communication

Tool selection

Education

High School Diploma or GED

ASE certifications (T8 PMI, 608/609) within 18 months

Tools

Hand tools set

Job description

Cox Automotive is seeking a Sr. Mobile Diesel & Trailer Mechanic to perform PMs and DOT inspections on various vehicle classes in a remote field role with 100% travel.

You will diagnose complex systems, fabricate repairs, maintain inventory, and coordinate with customers and teams using TRAIT and iOS devices. Requirements include a high school diploma or GED, 3+ years in mobile diesel work, a valid driver’s license, and a DOT card.