Diesel Technician

JRJ Group; United States; On-site; USD 42,000 - 62,000; Full time

Job summary

JRJ Group is seeking a hands-on Rental Store Diesel Technician to support our growing rental fleet of trucks, trailers, and heavy machinery. You will perform inspections, diagnostics, and repairs to ensure every asset is field-ready and meets our standards of excellence.

In this fast-paced environment, your mechanical skills and attention to detail directly impact customer satisfaction and job site productivity. The role emphasizes DOT/OSHA compliance, safety, and cross-team coordination.

Qualifications

• 2+ years of diesel technician experience.
• High school diploma or GED required; technical certifications in diesel, equipment maintenance, or hydraulics preferred.
• Ability to diagnose and repair diesel engines, hydraulics, and electrical systems.
• Experience with small-to-medium construction equipment and trucks.
• Valid driver’s license; ability to obtain DOT Medical Card (CDL is a plus).
• Strong problem-solving skills, safety awareness, and attention to detail.

Responsibilities

• Perform inspections, maintenance, and diagnostics on diesel engines and power systems used in rental trucks, trailers, skid steers, mini excavators, compressors, and other fleet assets.
• Conduct routine servicing including oil changes, fluid checks, and filter replacements.
• Troubleshoot and repair mechanical, hydraulic, and electrical issues to ensure uptime.
• Prepare equipment for rental by verifying functionality and completing post-rental inspections; address repairs promptly.
• Maintain cleanliness and presentation of equipment to rental-ready condition.
• Accurately record all maintenance work, inspections, and repairs using internal tracking systems or service logs; ensure compliance with DOT, OSHA, and company standards.
• Maintain a safe and organized work area; use PPE and follow safety protocols; provide occasional customer-facing support.
• Communicate with rental managers, dispatch, and drivers to prioritize repairs based on schedules and job demands; assist with parts ordering.

Skills

Diesel engines

Diagnostics

Mechanical repair

Safety awareness

Education

High school diploma or GED

Job description

Are you a hands-on technician who takes pride in keeping equipment running reliably and safely? Join us as a Rental Store Diesel Technician and help support our growing rental fleet of trucks, trailers, and heavy machinery. You’ll perform inspections, diagnostics, and repairs to ensure every piece of equipment we rent is field-ready and meets our standards of excellence.

In this fast-paced environment, your mechanical skills and attention to detail directly impact customer satisfaction and job site productivity.

Diesel Technician Responsibilities:

Diesel Maintenance & Repair:

• Perform inspections, maintenance, and diagnostics on diesel engines and power systems used in rental trucks, trailers, skid steers, mini excavators, compressors, and other fleet assets.
• Conduct routine servicing including oil changes, fluid checks, and filter replacements.
• Troubleshoot and repair mechanical, hydraulic, and electrical issues to ensure uptime.

Equipment Readiness & Turnaround:

• Prepare equipment for rental by verifying functionality, completing post-rental inspections, and addressing all required repairs promptly.
• Maintain cleanliness and presentation of equipment to rental-ready condition.

Documentation & Recordkeeping:

• Accurately record all maintenance work, inspections, and repairs using internal tracking systems or service logs.
• Ensure compliance with DOT, OSHA, and company standards.

Safety & Shop Support:

• Maintain a safe and organized work area at the rental facility or shop.
• Use appropriate PPE and follow all safety protocols while performing work on various types of equipment.
• Provide occasional customer-facing support by explaining basic equipment functionality or safety checks.

Cross-Team Coordination:

• Communicate with rental managers, dispatch, and drivers to prioritize repairs based on rental schedules and job demands.
• Assist with parts ordering or inventory needs for rental service operations.

Desired Qualifications:

• 2+ years of diesel technician experience, preferably within a rental or construction fleet environment.
• High school diploma or GED required; technical certifications in diesel, equipment maintenance, or hydraulics preferred.
• Ability to diagnose and repair diesel engines, hydraulics, and electrical systems.
• Experience working with small-to-medium construction equipment and trucks.
• Valid driver’s license required; ability to obtain DOT Medical Card (CDL is a plus).
• Strong problem-solving skills, safety awareness, and attention to detail.

EOE/M/F/Disabled/Veteran/DFSP