Senior Mobile Diesel Technician – Field Tech Lead

CAI Cox Automotive Corp Svcs., LLC; Folsom (CA); Hybrid; USD 45,000 - 67,000; Full time

Benefits offered by this job

Weekly pay

Safety bonuses

Uniforms provided

Company cell phone

Job summary

Cox Fleet is hiring a Mobile Diesel Technician II to perform DOT inspections, preventative maintenance, and light to medium repairs in a mobile/field setting. You will diagnose electrical, braking, cooling, and engine systems, while maintaining the service vehicle and documenting work performed.

The role requires a High School Diploma or GED with relevant experience, ASE T8 (PMI) certification within 18 months, and compliance with DOT regulations. A valid license and safety checks are essential.

Qualifications

• High School Diploma or GED with 3 years’ related experience, or 5 years in related field.
• Must possess hand tools to perform required duties.
• Obtain ASE T8 (PMI) certification within 18 months of hire.
• Subject to DOT/FMCSA regulations and background/DOT physical requirements.

Responsibilities

• Perform scheduled PMs and DOT inspections on light, medium, and heavy-duty vehicles in field/mobile environments.
• Diagnose and repair electrical, brake, cooling, engine, and transmission systems as required.
• Inspect, test, and diagnose equipment using hand tools, test instruments, and onboard diagnostic devices.
• Maintain service truck and perform pre/post-trip inspections and safety checks.
• Document repairs and upload RO details using company devices and TRAIT app.

Skills

DOT inspections

PM inspections

Diagnostics

Electrical systems

Education

High School Diploma/GED

ASE T8 (PMI) within 18 months

Tools

DOT/FMCSA compliance

Job description

Cox Fleet is hiring a Mobile Diesel Technician II to perform DOT inspections, preventative maintenance, and light to medium repairs in a mobile/field setting. You will diagnose electrical, braking, cooling, and engine systems, while maintaining the service vehicle and documenting work performed.

The role requires a High School Diploma or GED with relevant experience, ASE T8 (PMI) certification within 18 months, and compliance with DOT regulations. A valid license and safety checks are essential.