Mobile Diesel Technician II — Field Service & DOT Diagnostics

Cox Automotive Inc.; Milford (NH); On-site; USD 40,000 - 61,000; Full time

Benefits offered by this job

Weekly pay

Take service truck home

Tablet & company cellphone

Technical training

Career advancement opportunities

Job summary

Cox Automotive is seeking a Mobile Diesel Technician II to perform DOT inspections, preventative maintenance, diagnostics, and repairs on a fleet of heavy- to light-duty vehicles in a mobile/field environment in Milford, NH. The role emphasizes independent work, scheduling flexibility, and customer interaction.

You will manage parts on a company vehicle, document work with the TRAIT app, and adhere to DOT/OSHA/EPA safety standards while contributing to a strong service culture and on-time

Qualifications

• DOT inspections and PM duties in field/ mobile environment.
• Diagnose and repair heavy, medium, and light-duty vehicles.
• Follow DOT/FMSCA safety and regulatory requirements.

Responsibilities

• Perform scheduled PMs and DOT inspections in a mobile/field setting.
• Diagnose, repair, and adjust vehicle systems (electrical, brakes, cooling, engine, transmission).
• Road-test vehicles to verify repairs and diagnose malfunctions.

Skills

DOT inspections

Diagnostics

Preventative maintenance

Customer communication

Safety compliance

Education

High School Diploma/GED

ASE PMI/T8 certification target

Tools

Hand tools

Job description

Cox Automotive is seeking a Mobile Diesel Technician II to perform DOT inspections, preventative maintenance, diagnostics, and repairs on a fleet of heavy- to light-duty vehicles in a mobile/field environment in Milford, NH. The role emphasizes independent work, scheduling flexibility, and customer interaction.

You will manage parts on a company vehicle, document work with the TRAIT app, and adhere to DOT/OSHA/EPA safety standards while contributing to a strong service culture and on-time