Senior Mobile Diesel Technician — Field Service

Cox Enterprises, Inc.; Aurora (CO); On-site; USD 40,000 - 61,000; Full time

Benefits offered by this job

Weekly pay

New hire bonus

Paid time off

Company training

Uniforms provided

Job summary

Cox Fleet is hiring Mobile Diesel Technicians to perform DOT inspections, preventative maintenance, and repairs for light to heavy-duty vehicles in a mobile/field environment. You will work Monday–Friday, 12pm–8pm, with a $5,000 new hire bonus paid in stages and a path to lead roles.

The role requires ASE T8 certification within 18 months, valid CDL, and the ability to manage parts and documentation via iOS. Benefits include weekly pay and training opportunities.

Qualifications

• Legal DOT and FMCSA compliance knowledge.
• Ability to perform PMs and DOT inspections on trucks in field/mobile settings.
• Strong diagnostic and repair capabilities across electrical, hydraulic and diesel systems.

Responsibilities

• Perform scheduled PMs, DOT inspections, and follow-up repairs on light, medium and heavy-duty vehicles in a mobile environment.
• Diagnose and repair electrical, braking, cooling, engine and transmission systems.
• Document work and parts used on RO with mobile devices.
• Obtain parts from vendors and communicate with management for approvals.

Skills

Safety-conscious

Manual dexterity

Problem solving

Communication skills

Time management

Education

High School Diploma/GED

ASE T8 (PMI) within 18 months

Tools

Hand tools

Job description

Cox Fleet is hiring Mobile Diesel Technicians to perform DOT inspections, preventative maintenance, and repairs for light to heavy-duty vehicles in a mobile/field environment. You will work Monday–Friday, 12pm–8pm, with a $5,000 new hire bonus paid in stages and a path to lead roles.

The role requires ASE T8 certification within 18 months, valid CDL, and the ability to manage parts and documentation via iOS. Benefits include weekly pay and training opportunities.