Senior Trailer Mechanic - Diagnostics, PM & Repairs

Highway Transport, Inc.; Baton Rouge (LA); On-site; USD 37,000 - 52,000; Full time

Benefits offered by this job

401(k) Match

Paid Time Off

Paid Holidays

HSA Contribution Match

Wellness Program

Medical, Dental, Vision Insurance

Disability Insurance

Accident Insurance

Life Insurance

Discount Programs

Paid Maternity Leave

Job summary

Highway Transport, Inc. in Baton Rouge, LA is hiring a Mechanic III to perform preventative maintenance and repairs on tractors and trailers. You’ll diagnose and service equipment, communicate with drivers, and support inventory control.

The role emphasizes safety, quality, and timely repairs for a large fleet. The position requires DOT and HM certifications, a high school diploma or GED, and 2+ years of Class 8 vehicle experience.

Qualifications

• High school diploma or GED or equivalent.
• DOT and brake certification; HM certification required for trailer mechanics.
• 2+ years of experience maintaining Class 8 commercial vehicles; tractors/trailing equipment.
• Formal trade education equivalence accepted in place of experience.
• Must possess necessary tooling as listed.

Responsibilities

• Perform preventative maintenance on tractors and trailers per DOT standards.
• Conduct senior level diagnostics and repairs on systems including suspension, drive train, HVAC, electrical, and brackets.
• Inspect brakes and service air systems; perform brake inspections and repairs.
• Troubleshoot failures and lift/install heavy components (starters, clutches, brake drums).
• Ensure parts and labor are charged to correct repair orders.
• Maintain a clean, safe work environment per OSHA.
• Welding and light fabrication as needed.
• Verify equipment licensing and roadworthiness.

Skills

Troubleshooting

Wiring diagrams

PC diagnostics

Communication

Time management

Independent work

Tool usage

Education

High school diploma or GED

DOT brake certification

HM certification

Trade school equivalence

Tools

Socket set 1.25in and smaller

Air tools 1/2in drive

Voltmeter / test light

Personal tool chest

Job description

Highway Transport, Inc. in Baton Rouge, LA is hiring a Mechanic III to perform preventative maintenance and repairs on tractors and trailers. You’ll diagnose and service equipment, communicate with drivers, and support inventory control.

The role emphasizes safety, quality, and timely repairs for a large fleet. The position requires DOT and HM certifications, a high school diploma or GED, and 2+ years of Class 8 vehicle experience.