Mobile Diesel & Trailer Technician — Sign-On Bonus

EV Battery Solutions by Cox Automotive; Irvine (CA); On-site; USD 66,000 - 90,000; Full time

Benefits offered by this job

Safety boots reimbursement

Safety glasses reimbursement

Uniforms provided

Laptop & company cellphone

Technical training

Career advancement opportunities

Take service truck home daily

Job summary

Cox Fleet is hiring a Mobile Diesel & Trailer Technician to perform licensed DOT inspections, preventive maintenance, and light-to-heavy repairs in a mobile/field environment. You will work with various truck and trailer systems, document findings, and ensure safety and regulatory compliance.

Ideal candidates will have a HS diploma or GED, ASE certifications, and the ability to obtain DOT medical qualification.

Qualifications

• High School Diploma or GED required; related field experience may substitute.
• ASE T3/T4/T5/T6/T7/T8 certifications preferred or to be obtained.
• Must pass DOT pre-employment background check and DOT physical if applicable.
• Ability to lift and perform moderately heavy labor for long periods.

Responsibilities

• Perform scheduled PMs and DOT inspections on mobile/field fleets.
• Diagnose and repair electrical, brake, cooling, and engine systems.
• Handle trailer equipment diagnostics and repairs; liftgates and chassis work.
• Document RO findings with photos using company iOS device and TRAIT app.
• Maintain safety checks, daily pre/post trip inspections, and vehicle upkeep.
• Coordinate with management for repair estimates and parts procurement.
• Ensure compliance with OSHA, EPA, and DOT regulations.

Skills

Strong safety mindset

Attention to detail

Manual dexterity

Problem solving

Effective communication

Education

High School Diploma or GED

ASE certifications (T3–T7, T8)

Tools

iOS device

TRAIT application

Job description

Cox Fleet is hiring a Mobile Diesel & Trailer Technician to perform licensed DOT inspections, preventive maintenance, and light-to-heavy repairs in a mobile/field environment. You will work with various truck and trailer systems, document findings, and ensure safety and regulatory compliance.

Ideal candidates will have a HS diploma or GED, ASE certifications, and the ability to obtain DOT medical qualification.