Senior Mobile Diesel Tech – DOT/PM Lead (Field & Travel)

CAI Cox Automotive Corp Svcs., LLC; Florida; Hybrid; USD 44,000 - 67,000; Part time

Benefits offered by this job

$2500 new hire bonus

Health, dental, vision insurance from

Paid time off and holidays

401(k) with company match

Take service truck home daily

Job summary

Cox Fleet is hiring a Sr. Mobile Diesel Technician to perform licensed DOT inspections, preventative maintenance, and advanced diagnostics in a mobile/field environment.

You’ll lead on-site service, triage complex repairs, and document all findings via the TRAIT app, while maintaining safety standards. The role requires ASE certifications and a valid driver's license, with opportunities for bonuses and a defined service-route schedule.

Qualifications

• High School Diploma or GED with 5 years’ related experience; alternative combos with higher degrees accepted.
• ASE T8 (PMI) and ASE 608/609 certifications within 18 months.
• Must possess a valid driver's license and be able to obtain DOT medical card.
• Ability to lift, bend, climb and perform moderately heavy labor for long periods.

Responsibilities

• Perform DOT inspections and preventive maintenance on light to heavy-duty vehicles in mobile/field environment.
• Diagnose and repair electrical, braking, cooling, engine, and other systems; document findings with RO using TRAIT app.
• Manage parts inventory and communicate with management for approvals.
• Maintain safety checks and daily pre/post trip inspections on service trucks.

Skills

DOT inspections

Preventive Maintenance

Electrical & diagnostics

Customer communication

Schedule management

Education

ASE T8 (PMI) certification

ASE 608/609 certification

High School Diploma or GED

Tools

TRAIT app

Hand tools

Diagnostic tools

Job description

Cox Fleet is hiring a Sr. Mobile Diesel Technician to perform licensed DOT inspections, preventative maintenance, and advanced diagnostics in a mobile/field environment.

You’ll lead on-site service, triage complex repairs, and document all findings via the TRAIT app, while maintaining safety standards. The role requires ASE certifications and a valid driver's license, with opportunities for bonuses and a defined service-route schedule.