Senior Mobile Diesel Technician II – On‑Site DOT

Cox Automotive, Inc.; Baltimore (MD); On-site; USD 39,000 - 50,000; Full time

Benefits offered by this job

Weekly pay

Safety gear reimbursement

Uniforms & PPE provided

Tablet & company cellphone

Technical training & career path

Paid time off

401(k) matching

Job summary

Cox Fleet is seeking a Mobile Diesel Technician II to perform DOT inspections, preventive maintenance and advanced diagnostics on light to heavy‑duty vehicles in a mobile/field setting. You will document findings, manage parts, and work with customers to meet expectations while maintaining safety and DOT compliance.

The role requires hands‑on diesel/mechanical skills, ASE certifications preferred, and the ability to coordinate on-site across multiple locations.

Qualifications

• Requires a High School Diploma or GED with 3+ years in a related field; or equivalent combo of education and experience.
• At least 3 years of experience with refrigerated equipment and diesel systems.

Responsibilities

• Perform scheduled PMs and DOT inspections on light to heavy‑duty vehicles in mobile/field environments.
• Diagnose and repair electrical, mechanical, hydraulic, and electronic systems on trucks and trailers.
• Inspect, test and road test vehicles to ensure proper operation after repairs.
• Manage parts inventory and document work using company iOS tools and Repair Orders.

Skills

Effective communication

Physical stamina

Problem solving

Time management

Team collaboration

Education

High School Diploma or GED / 3+ years related experience

Tools

Hand tools

Diesel tools

Job description

Cox Fleet is seeking a Mobile Diesel Technician II to perform DOT inspections, preventive maintenance and advanced diagnostics on light to heavy‑duty vehicles in a mobile/field setting. You will document findings, manage parts, and work with customers to meet expectations while maintaining safety and DOT compliance.

The role requires hands‑on diesel/mechanical skills, ASE certifications preferred, and the ability to coordinate on-site across multiple locations.