Field Mobile Diesel Technician II: Diagnostics & Repairs

Cox Enterprises; Dracut (MA); On-site; USD 68,000 - 90,000; Full time

Benefits offered by this job

Weekly pay

Safety boots reimbursement

Uniforms provided

Tablet & company cellphone

Technical training

Career growth opportunities

Job summary

Cox Fleet, a leading mobile fleet maintenance provider, seeks a Mobile Diesel Technician II to perform DOT inspections, PMs, and advanced diagnostics in a field/mobile setting. You will handle electrical, hydraulic, and mechanical repairs, manage parts on a service truck, and document findings using TRAIT on an iOS device.

The role emphasizes independent work, safety compliance, and strong problem-solving skills to support customers nationwide.

Qualifications

• High School Diploma or GED or equivalent with related field experience.
• 3 years’ experience in a related field or 5 years’ experience without degree.
• ASE T8 (PMI) certification within 18 months; ASE 608/609 preferred.

Responsibilities

• Perform scheduled PMs and DOT inspections on light, medium and heavy-duty vehicles in mobile/field environment.
• Diagnose and repair electrical, braking, cooling, engine, transmission and other systems on trucks and trailers.
• Test, inspect and listen to defective equipment to diagnose malfunctions using handheld tools and measurement devices.
• Road test vehicles to verify repairs and diagnose malfunctions.
• Manage parts inventory and service truck supplies; document work orders and RO notes in TRAIT.
• Maintain safety and compliance with OSHA, EPA, and DOT regulations.

Skills

Effective communication

Safety-conscious

Tool selection judgment

Physical stamina

Problem solving

Education

High School Diploma or GED

ASE certifications (required within 18 months)

Tools

TRAIT app

iOS device usage

Job description

Cox Fleet, a leading mobile fleet maintenance provider, seeks a Mobile Diesel Technician II to perform DOT inspections, PMs, and advanced diagnostics in a field/mobile setting. You will handle electrical, hydraulic, and mechanical repairs, manage parts on a service truck, and document findings using TRAIT on an iOS device.

The role emphasizes independent work, safety compliance, and strong problem-solving skills to support customers nationwide.