Mobile Diesel Technician II — Field Service Expert

Cox Enterprises, Inc.; Dallas (TX); On-site; USD 46,000 - 82,000; Full time

Benefits offered by this job

Weekly pay

Safety boots & glasses reimbursement

Tuition Assistance

Company cellphone

Technical training provided

Job summary

Cox Fleet is hiring a Mobile Diesel Technician Level II to perform licensed DOT inspections, preventative maintenance, and light-to-heavy repairs in a mobile/field environment across our fleet. You will diagnose, test, and repair electrical, braking, cooling, and engine systems, with documentation of RO data via iOS devices.

Role requires a HS diploma or GED and 3 years in a related field, or 5 years of experience. ASE T8 certification within 18 months and a valid DOT medical card are required.

Qualifications

• HS diploma or GED plus relevant field experience; or equivalent combination.
• 3 years’ related field experience; or 5 years’ related field experience.
• ASE certification T8 required within 18 months; DOT background check.
• Must possess valid DOT medical card or be able to obtain one.

Responsibilities

• Perform scheduled PMs, DOT Inspections, and follow-up repairs on light to heavy-duty vehicles in mobile/field setting.
• Diagnose and repair electrical, braking, cooling, and engine systems; use diagnostic tools and handheld devices.
• Inspect, test, and road-test vehicles to validate repairs and functionality.
• Maintain parts inventory, document work orders, and upload RO details via TRAIT app.
• Complete DOT forms timely; ensure safety standards and DOT regulations are met.
• Coordinate with management for repair estimates and approvals; manage daily schedule.

Skills

DOT inspections

Preventative maintenance

Diagnostics

Electrical systems

Team communication

Safety compliance

Tool knowledge

Education

High School Diploma or GED

Job description

Cox Fleet is hiring a Mobile Diesel Technician Level II to perform licensed DOT inspections, preventative maintenance, and light-to-heavy repairs in a mobile/field environment across our fleet. You will diagnose, test, and repair electrical, braking, cooling, and engine systems, with documentation of RO data via iOS devices.

Role requires a HS diploma or GED and 3 years in a related field, or 5 years of experience. ASE T8 certification within 18 months and a valid DOT medical card are required.