Semi-Truck and Trailer Mechanic

Nexus HR Services; Sacramento (CA); On-site; USD 44,000 - 47,000; Full time

Benefits offered by this job

Dental

Vision

Medical

401k

Paid Leave

Job summary

Nexus HR in Sacramento, CA is seeking an experienced Semi-Truck and Trailer Mechanic to diagnose, repair, and maintain diesel trucks and trailers. You will work with diesel engines, brake systems, suspensions, transmissions, and other components to keep fleets operating safely and efficiently.

The role requires hands-on skills, adherence to safety standards, and accurate record-keeping. A strong work ethic in a fast-paced shop, with opportunity to use modern diagnostic tools, is essential; CDL

Qualifications

• Minimum 3 years of experience as a Diesel/ Semi-Truck Mechanic or Truck Technician.
• Hands-on experience as a Semi-Truck Mechanic required.
• High school diploma or GED; vocational training in Diesel Technology preferred.

Responsibilities

• Diagnose, troubleshoot, and repair diesel engines, transmissions, hydraulics, suspension systems, steering components, and air brake systems.
• Perform preventive maintenance, including oil changes, brake repairs, inspections, and fluid services.
• Repair and maintain tractor-trailers, semi-trucks, and other commercial equipment.
• Operate hand tools, power tools, welding equipment, and soldering tools for repairs and fabrication.
• Inspect completed repairs to ensure safety, quality, and compliance with DOT and industry standards.
• Maintain accurate service records, repair orders, and maintenance documentation.
• Collaborate with service advisors and team members to complete repairs efficiently.
• Maintain a clean, organized, and safe work environment.

Skills

Diesel diagnostics

Diesel engine repair

Brake systems

Suspension systems

Electrical systems

Welding

Diagnostic tools

Reading schematics

DOT standards

CDL helpful

Education

High school diploma or GED

Diesel Technology vocational training

ASE certification (preferred)

Tools

Diagnostic equipment

Job description

Semi-Truck and Trailer Mechanic - Sacramento, CA

Compensation: $32 to $34 per hour

Nexus HR is looking for a Semi-Truck and Trailer Mechanic in Sacramento, CA. The ideal candidate must have strong experience diagnosing, repairing, and maintaining diesel trucks and trailers while ensuring quality workmanship and compliance with safety standards. A commercial truck service provider specializing in truck repair, maintenance, tire services, and fleet support. The successful candidate will be a dependable, detail-oriented technician who thrives in a fast-paced environment and is committed to delivering exceptional service to commercial fleet customers.

About the Job

An experienced Diesel Truck Mechanic will perform diagnostics, repairs, and preventive maintenance on semi-trucks and trailers. The role involves working with diesel engines, brake systems, suspensions, transmissions, and other mechanical components to keep commercial vehicles operating safely and efficiently. The successful candidate will work in a fast-paced shop environment, utilizing modern diagnostic equipment and repair tools while maintaining high standards of quality, safety, and customer service.

Duties and Responsibilities:

• Diagnose, troubleshoot, and repair diesel engines, transmissions, hydraulics, suspension systems, steering components, and air brake systems.

• Perform preventive maintenance, including oil changes, brake repairs, inspections, and fluid services.

• Conduct truck and trailer Kingpin and Truck Trailer Bushings to manufacturer specifications.

• Utilize diagnostic equipment, schematics, and technical manuals to identify and resolve mechanical and electrical issues.

• Repair and maintain tractor-trailers, semi-trucks, and other commercial equipment.

• Operate hand tools, power tools, welding equipment, and soldering tools for repairs and fabrication work.

• Inspect completed repairs to ensure safety, quality, and compliance with DOT and industry standards.

• Maintain accurate service records, repair orders, and maintenance documentation.

• Collaborate with service advisors and team members to complete repairs efficiently.

• Maintain a clean, organized, and safe work environment.

Qualifications

• Minimum of 3 years of experience as a Diesel Mechanic, Semi-Truck Mechanic, or Truck Technician

• Must have hands-on experience as a Semi-Truck Mechanic.

• High school diploma or GED required; vocational or technical training in Diesel Technology preferred.

• Valid California driver's license required; CDL is a plus.

• ASE Medium/Heavy Truck Certification is preferred but not required.

• Skills:

• Strong diesel engine diagnostic and repair skills.

• Experience with Cummins, Detroit Diesel, Paccar, Volvo, or similar diesel engines.

• Knowledge of transmissions, hydraulics, suspension, HVAC, electrical systems, and air brake systems.

• Proficiency in welding, fabrication, and using diagnostic equipment.

• Ability to read schematics, wiring diagrams, and technical manuals.

• Strong problem-solving and troubleshooting abilities.

• Excellent attention to detail and organizational skills.

• Should be knowledgeable in the following:

• Preventive maintenance procedures

• DOT inspection standards

• Heavy-duty truck and semi-truck repairs

• Commercial vehicle safety regulations

• Kingpin and Truck Trailer Bushings

Benefits

• Dental

• Vision

• Medical

• 401k

• Paid Leave