Lead Mobile Diesel Technician: On-Site & Diagnostics

Cox Automotive; Tulsa (OK); On-site; USD 40,000 - 61,000; Full time

Benefits offered by this job

Weekly pay

Safety boots & glasses reimbursement

Uniforms provided

Tablet & company cellphone

Technical training

Job summary

Cox Fleet, a mobile and on-site fleet maintenance provider, seeks a Mobile Diesel Technician II in Tulsa. You will perform DOT inspections, PMs, and advanced repairs on light to heavy trucks, and act as a lead on-site for diagnostics and customer liaison.

The role requires ASE certifications preferred, DOT compliance, and the ability to manage tools, parts, and safety checks while delivering high-quality service.

Qualifications

• High School Diploma or GED and 3 years in a related field, or 5 years in a related field.
• Experience with refrigerated equipment is preferred.
• Must supply own hand tools for duties.

Responsibilities

• Perform scheduled PMs, DOT inspections, and follow-up repairs in mobile/field settings.
• Diagnose and repair electrical, braking, cooling, engine, and drivetrain systems.
• Test and road-test vehicles to verify repairs and identify issues.
• Maintain service truck and inventory, document findings, and upload RO details.

Skills

DOT inspections

Diagnostics

Electrical systems

Hydraulic systems

Education

HS Diploma or GED

Tools

Diagnostic tools

iOS device

TRAIT app

Job description

Cox Fleet, a mobile and on-site fleet maintenance provider, seeks a Mobile Diesel Technician II in Tulsa. You will perform DOT inspections, PMs, and advanced repairs on light to heavy trucks, and act as a lead on-site for diagnostics and customer liaison.

The role requires ASE certifications preferred, DOT compliance, and the ability to manage tools, parts, and safety checks while delivering high-quality service.