Senior Mobile Trailer Technician – On-Site Lead Diagnostics

Cox Automotive, Inc.; San Antonio (TX); On-site; USD 34,000 - 55,000; Full time

Benefits offered by this job

Weekly pay

Safety boots & glasses reimbursement

Uniforms with laundry service

Job summary

Cox Fleet is hiring a Sr. Mobile Trailer Technician to perform certified DOT inspections, preventative maintenance, light and advanced repairs at customer sites. Lead on jobsites, provide diagnostics triage, and ensure adherence to safety and company policies.

The role involves independent scheduling, inventory management, and coordination with customers and vendors to complete repairs efficiently.

Qualifications

• DOT/FMCSA regulations knowledge.
• Experience in field service and maintenance of trailers and equipment.

Responsibilities

• Perform scheduled PM, DOT Inspections and follow-up repairs in mobile/field setting.
• Repair trailers and equipment including brakes, air lines, pumps, liftgates and chassis.
• Document work using RO, photos, and the TRAIT app.
• Complete DOT forms accurately and timely.
• Maintain safety and environmental compliance per OSHA, EPA, and DOT.
• Manage parts inventory and company vehicle pre/post-trip checks.
• Communicate with management for repair estimates and approvals.
• Provide leadership and guidance to Mobile Trailer Technician I/II on site.

Skills

Trailer systems knowledge

DOT compliance

Diagnostics

Safety awareness

Communication

Inspection procedures

Education

High School Diploma/GED

Tools

Welding equipment

Job description

Cox Fleet is hiring a Sr. Mobile Trailer Technician to perform certified DOT inspections, preventative maintenance, light and advanced repairs at customer sites. Lead on jobsites, provide diagnostics triage, and ensure adherence to safety and company policies.

The role involves independent scheduling, inventory management, and coordination with customers and vendors to complete repairs efficiently.