Trailer Mechanic (1st Shift)

Pinnacle Equipment LLC; Fontana (CA); On-site; USD 52,000 - 72,000; Full time

Job summary

Pinnacle Equipment LLC is seeking a Trailer Mechanic to inspect, diagnose, and repair our trailer fleet and related equipment. The 1st shift runs from 6:00 AM to 4:30 PM, Wednesday through Saturday, in Fontana, CA, with shop and yard work on brakes, suspension, electrical, and reefer systems as applicable.

You will perform preventive maintenance, document work in our fleet system, and ensure DOT compliance.

Qualifications

• Requires high school diploma or equivalent.
• Minimum 2 years repairing/maintaining trailers or heavy equipment.
• Knowledge of air brake, electrical, hydraulic, suspension systems.
• Ability to read repair manuals, schematics, and specs.
• Valid California driver's license with clean record.
• Ownhand tools appropriate to trade.
• Familiarity with DOT/FMCSA/Cal/OSHA safety rules.

Responsibilities

• Inspect, diagnose, and repair trailers (brakes, suspension, axles, electrical).
• Perform preventive maintenance and FHWA inspections for DOT compliance.
• Troubleshoot air brakes, hydraulics, landing gear, and reefer units as needed.
• Weld, fabricate, and repair trailer frames/bodies.
• Replace tires, verify torque and alignment.
• Document inspections and repairs in fleet system.
• Maintain safe work area and respond to after-hours repairs.

Skills

Brake systems knowledge

Read repair manuals/schematics

Physical stamina

DOT/FMCSA safety compliance

Education

High school diploma or equivalent

Tools

Hand tools

Job description

1st Shift: 6:00AM - 4:30pm Wednesday - Saturday

Position Summary:

The Trailer Mechanic inspects, diagnoses, repairs, and maintains the company’s fleet of trailers and related equipment to ensure safe, reliable, and DOT-compliant operation. Working primarily in the shop and yard, this role performs preventive maintenance and corrective repairs across braking, electrical, suspension, hydraulic, and structural systems to minimize downtime and keep the fleet roadworthy. The position is essential to the safety, regulatory compliance, and operational readiness of the company’s transportation assets.

Key Duties and Responsibilities:

• Inspect, diagnose, and repair trailers, including brakes, suspension, axles, wheel ends, tires, lighting, and electrical and air systems
• Perform scheduled preventive maintenance and federal annual (FHWA) inspections to keep trailers compliant with DOT, FMCSA, and California Highway Patrol (BIT) requirements
• Troubleshoot and repair air brake systems, hydraulics, landing gear, suspension/airbags, doors, and refrigeration (reefer) units as applicable
• Perform welding, fabrication, and structural repairs to trailer frames, floors, and bodies
• Replace and repair tires, wheels, and bearings, verifying proper torque and alignment
• Move, position, and road test trailers within the yard to confirm repair quality
• Accurately document inspections, repairs, parts used, and labor in the fleet maintenance management system
• Maintain a clean, organized, and safe work area in compliance with Cal/OSHA and company safety policies
• Respond to roadside or after-hours emergency repair needs as required
• Perform other related duties as assigned

Required Qualifications:

• High school diploma or equivalent
• Minimum of 2 years of hands-on experience repairing and maintaining trailers, heavy-duty trucks, or comparable commercial equipment
• Working knowledge of air brake, electrical, hydraulic, and suspension systems
• Ability to read and interpret repair manuals, schematics, and technical specifications
• Valid California driver’s license with a satisfactory driving record
• Possession of personal hand tools appropriate to the trade
• Knowledge of and ability to comply with DOT, FMCSA, and Cal/OSHA safety regulations
• Ability to lift up to 50 pounds, stand for extended periods, and perform physically demanding work in varying conditions
• Must be at least 18 years of age and legally authorized to work in the United States

Preferred Skills and Experience:

• ASE certification (T-Series Medium/Heavy Truck, e.g., T3 Drive Train, T4 Brakes, T6 Electrical) or equivalent
• Commercial Driver’s License (CDL)
• Certified welding experience (MIG, TIG, or stick)
• Experience servicing refrigerated (reefer) units such as Thermo King or Carrier
• California BIT/FHWA inspector qualification or brake adjustment certification
• Experience with electronic fleet maintenance management software
• Bilingual (English/Spanish)

Physical & Environmental Requirements:

Physical Demands:

• Prolonged standing (warehouse/onsite support)
• Walking for extended periods across facilities or yards
• Lifting up to 50 lbs
• Bending, stooping, kneeling, or crouching
• Reaching above/below shoulder level
• Repetitive hand/wrist movements (typing, scanning, equipment use)
• Operating equipment (forklift, pallet jack, etc.)
• Driving as part of job duties (local or regional travel)
• Climbing stairs or ladders
  

Work Environment:

• Outdoor work (yards, loading areas, client sites)
• Exposure to varying temperatures (heat/cold)
• Exposure to moderate/high noise levels
• Fast-paced, high-volume operational environment

Reasonable accommodation may be provided to enable individuals with disabilities to perform the essential functions of this role. We are proud to be an equal opportunity employer and are committed to building a workplace where everyone feels valued, respected, and empowered to succeed. We make all employment decisions based on qualifications, merit, and business needs, without regard to any status protected by applicable law. The above statements are intended to describe the general nature and level of work being performed. The statements should not be construed as an exhausted list of all responsibilities, duties, and skills required. There may be additional duties outside the normal responsibilities to be performed as needed.