Lead Mobile Diesel Technician II | On-Site Diagnostics & PM

Cox Automotive; Village of Elmsford (NY); On-site; USD 49,000 - 73,000; Full time

Benefits offered by this job

Weekly pay

Safety boots reimbursement

Uniforms provided

Tablet & company cellphone provided

Technical training provided

Career advancement opportunities

Job summary

Cox Fleet, a leading provider of on-site mobile fleet maintenance, is hiring a Mobile Diesel Technician II in the United States. The role focuses on DOT inspections, preventative maintenance, and complex diagnostics across light to heavy-duty trucks in a mobile environment.

You will lead on-site diagnostics, perform repairs, manage tools and parts, and ensure compliance with safety regulations. A strong mechanical background and DOT certification readiness are valued.

Qualifications

• HS Diploma or GED required or equivalent experience.
• At least 3 years of experience in related field; refrigeration equipment preferred.
• Own a set of basic hand tools.
• OEM training and certifications preferred.
• DOT-related pre-employment screening and DOT medical card requirements.

Responsibilities

• Perform PMs, DOT inspections, and repairs in mobile/field settings.
• Diagnose and repair electrical, brake, cooling, engine, and transmission systems in light–heavy trucks.
• Inspect, test, and communicate findings; generate RO documentation using mobile device.
• Maintain service truck and manage parts inventory; coordinate with management for repairs and approvals.

Skills

Communication

Manual labor

Endurance

Tool selection

Diagnostics

Education

High School Diploma or GED

ASE Certifications (preferred)

Tools

Hand tools

Diesel tools

Welding equipment

Test instruments

Job description

Cox Fleet, a leading provider of on-site mobile fleet maintenance, is hiring a Mobile Diesel Technician II in the United States. The role focuses on DOT inspections, preventative maintenance, and complex diagnostics across light to heavy-duty trucks in a mobile environment.

You will lead on-site diagnostics, perform repairs, manage tools and parts, and ensure compliance with safety regulations. A strong mechanical background and DOT certification readiness are valued.