Sr Mobile Diesel Technician – Lead On‑Site Fleet Diagnostics

Cox Enterprises, Inc.; North Carolina; Hybrid; USD 44,000 - 67,000; Full time

Benefits offered by this job

Health, dental, vision insurance

401(k) matching

Paid time off and holidays

Tuition Assistance

Pet Insurance

Job summary

Cox Fleet is seeking a Sr. Mobile Diesel Technician to perform licensed DOT inspections, PMs, and advanced diagnostics in a mobile/field setting across the United States. You will lead on-site repairs and coordinate parts, tools, and documentation using company TRAIT app on an iOS device.

The role emphasizes independent scheduling, high productivity, and adherence to DOT/FMCSA regulations, with 100% travel and a flexible remote-work option for qualified candidates in NC.

Qualifications

• High School Diploma/GED and 5 years’ experience in related field.
• At least 3 years of experience with refrigerated equipment.
• Possess and supply a set of hand tools necessary to perform required job duties.
• DOT regulations knowledge; DOT medical exam and credentials may be required.
• Able to complete DOT forms and related documentation.

Responsibilities

• Perform PM and DOT inspections and follow-up repairs in mobile/field environment.
• Diagnose and repair electrical/brake/cooling systems, engines, transmissions.
• Inspect, test, and listen to equipment using standard test instruments.
• Road test vehicles to verify proper operation after repairs.
• Maintain service vehicle and manage parts inventory.
• Communicate with management to obtain approvals and document RO findings.

Skills

DOT inspections

PM inspections

Diagnostics

Electrical systems

Diesel tools

Safety compliance

Road testing

Education

High School Diploma/GED

Tools

Hand tools

Diesel tools

Welding equipment

Lift and jacks

iOS device

Job description

Cox Fleet is seeking a Sr. Mobile Diesel Technician to perform licensed DOT inspections, PMs, and advanced diagnostics in a mobile/field setting across the United States. You will lead on-site repairs and coordinate parts, tools, and documentation using company TRAIT app on an iOS device.

The role emphasizes independent scheduling, high productivity, and adherence to DOT/FMCSA regulations, with 100% travel and a flexible remote-work option for qualified candidates in NC.