Diesel Mechanic / Trailer Technician (Mobile Service)

Job Description

Truck & Trailer Maintenance Services Inc. (TTMS) is seeking a skilled and reliable Diesel Mechanic / Trailer Technician to perform on-site and roadside repairs throughout Los Angeles County.

This position requires a self-motivated technician who can diagnose and repair equipment independently in the field.

Responsibilities

• Perform BIT inspections (90-day & annual)
• Diagnose and repair electrical issues (shorts, lights, 7-way, liftgates)
• Troubleshoot and repair ABS systems (sensors, wiring, valves)
• Repair air leaks, brake systems, and suspension components
• Service and repair roll-up doors (hinges, rollers, cables, operators)
• Perform DPF diagnostics and repairs
• Conduct preventive maintenance (oil changes, filters, tire service)
• Diagnose and repair reefer units (basic fuel and electrical issues)
• Complete daily work reports accurately
• Maintain company truck, tools, and equipment

Requirements

• Minimum 2+ years experience in diesel/trailer repair
• Strong electrical diagnostic skills (REQUIRED)
• Experience with trailers (dry vans, chassis, etc.)
• Valid driver’s license (clean record preferred for insurance approval)
• Ability to work independently in the field
• Must have own basic tools
• Ability to lift 50+ lbs and work in outdoor conditions

Preferred Qualifications

• Experience with mobile service
• Knowledge of BIT/CHP inspections
• Welding experience (a plus, not required)
• Reefer experience (Carrier units a plus)

Work Schedule

• Monday – Friday
• Occasional Saturdays (as needed)
• Overtime available

Compensation & Benefits

• Weekly pay
• Overtime opportunities
• Company service truck provided (for qualified candidates)
• Steady work year-round

Important Notes

• This is a field/mobile position, not a shop job
• Only serious applicants with hands-on experience will be considered
• Must be able to pass driving eligibility through insurance

How to Apply

Apply through Indeed or send your experience/resume.
Qualified candidates will be contacted for interview.

Pay: $20.00 - $35.00 per hour

Work Location: On the road