Diesel Technician

Ultimate Staffing Services; Ontario (CA); On-site; USD 63,000 - 77,000; Full time

Job summary

Ultimate Staffing Services in Ontario, CA is seeking a Diesel Technician to diagnose, repair, service, and maintain diesel-powered equipment and machinery. The role emphasizes troubleshooting hydraulic, electrical, diesel engine, and powertrain systems to minimize downtime and ensure safe operation.

The ideal candidate will be mechanically inclined, customer-focused, and capable of using diagnostic software and manuals to determine root causes.

Qualifications

• 2+ years of experience repairing diesel engines and heavy equipment.
• Strong mechanical aptitude and troubleshooting skills.
• Ability to read technical manuals, schematics, and wiring diagrams.

Responsibilities

• Diagnose and repair diesel engines, hydraulic systems, electrical systems, and drivetrain components.
• Perform preventative maintenance and scheduled service on tractors, construction equipment, and related machinery.
• Conduct inspections and identify equipment issues accurately and efficiently.
• Utilize diagnostic software, service manuals, and testing equipment to determine root causes of equipment failures.
• Complete warranty repairs in accordance with manufacturer standards.
• Document repair findings, labor hours, parts usage, and service recommendations.
• Perform safety inspections and ensure all work meets company and manufacturer quality standards.
• Maintain a clean, safe, and organized work environment.
• Communicate effectively with Service Advisors, Parts Department personnel, and customers regarding repair status and recommendations.
• Participate in ongoing technical training to stay current with equipment technology and manufacturer updates.
• Assist with field service calls as required.

Skills

Mechanical aptitude

Troubleshooting

Strong reading of manuals

Diagnostic software experience

Equipment knowledge (diesel/heavy)

Education

High school diploma or GED

Tools

Diagnostic software

Wiring diagrams

Job description

Salary: USD70000 - USD70000 per year

Employment Type: Full-Time

Pay Rate: $28.00 - $35.00 Per Hour based on experience

Position Summary

Seeking a skilled and motivated Diesel Technician to join our service team in Ontario, California. The Diesel Technician is responsible for diagnosing, repairing, servicing, and maintaining diesel-powered equipment, tractors, construction equipment, utility vehicles, and related machinery. This position plays a critical role in ensuring our customers' equipment operates safely, efficiently, and with minimal downtime.

The ideal candidate is mechanically inclined, customer-focused, and experienced in troubleshooting hydraulic, electrical, diesel engine, and powertrain systems.

Key Responsibilities

• Diagnose and repair diesel engines, hydraulic systems, electrical systems, and drivetrain components.
• Perform preventative maintenance and scheduled service on tractors, construction equipment, and related machinery.
• Conduct inspections and identify equipment issues accurately and efficiently.
• Utilize diagnostic software, service manuals, and testing equipment to determine root causes of equipment failures.
• Complete warranty repairs in accordance with manufacturer standards.
• Document repair findings, labor hours, parts usage, and service recommendations.
• Perform safety inspections and ensure all work meets company and manufacturer quality standards.
• Maintain a clean, safe, and organized work environment.
• Communicate effectively with Service Advisors, Parts Department personnel, and customers regarding repair status and recommendations.
• Participate in ongoing technical training to stay current with equipment technology and manufacturer updates.
• Assist with field service calls as required.

Qualifications

Required

• High school diploma or GED.
• 2+ years of experience repairing diesel engines and heavy equipment.
• Strong mechanical aptitude and troubleshooting skills.
• Working knowledge of hydraulic, electrical, and fuel systems.
• Ability to read technical manuals, schematics, and wiring diagrams.
• Valid California driver's license with a clean driving record.
• Ability to lift up to 50 pounds and work in a physically demanding environment.

Preferred

• Experience with Kubota, construction equipment, agricultural equipment, or compact utility equipment.
• Technical school or diesel technology certification.
• ASE, Kubota, or manufacturer certifications.
• Welding and fabrication experience.

Knowledge, Skills & Abilities

• Strong diagnostic and problem-solving skills.
• Attention to detail and commitment to quality workmanship.
• Ability to work independently and as part of a team.
• Effective communication and customer service skills.
• Strong time management and organizational abilities.
• Familiarity with computerized diagnostic equipment and repair software.