Senior Mobile Trailer Technician — Field Diagnostics & Repairs

J.B. Hunt; Chattanooga (TN); On-site; USD 34,000 - 48,000; Full time

Benefits offered by this job

Uniforms provided

Annual boot program

Career growth opportunities

Job summary

J.B. Hunt is seeking a Sr Mobile Technician to perform complex maintenance, service, and repair of trailers, containers, chassis, and power equipment at customer sites or rail yards using a mobile service truck.

Under general supervision, you will diagnose, troubleshoot, and complete fleet maintenance following J.B. Hunt specifications, lead a shift when needed, and ensure safety protocols are followed while maintaining parts inventory and accurate work orders.

Qualifications

• Must be 18+ (equipment ≤10,000 lbs) or 21+ (over 10,000 lbs) with 3 years of maintenance/repair experience.
• Clean motor vehicle record and ability to supply basic tools or purchase via toolbox program.
• Willingness to work outdoors and across multiple shifts, including nights/weekends, if needed.
• At least 1 year of experience in DOT and FHWA inspections and air brakes.

Responsibilities

• Perform complex diagnostics, troubleshooting, and preventive maintenance on tractors and trailers.
• Diagnose and repair ABS, refrigerated units, lift gates, and frame alignment.
• Mentor trainee technicians and coordinate shift support as team lead.
• Follow safety requirements at customer sites or rail yards and manage service truck inventory.
• Complete work orders accurately and document damage for cost estimation.

Skills

Troubleshooting

Diagnostics

Outdoor work

Team coordination

Safety awareness

Education

High School Diploma or GED

DOT inspections training

EPA Refrigeration Certification

Tools

Welding equipment

Cutting torch

Vehicle inspection tools

Job description

J.B. Hunt is seeking a Sr Mobile Technician to perform complex maintenance, service, and repair of trailers, containers, chassis, and power equipment at customer sites or rail yards using a mobile service truck.

Under general supervision, you will diagnose, troubleshoot, and complete fleet maintenance following J.B. Hunt specifications, lead a shift when needed, and ensure safety protocols are followed while maintaining parts inventory and accurate work orders.