Diesel Technician

Jrjnet; Cincinnati, Northern (OH, KY); Hybrid; USD 45,000 - 65,000; Full time

Job summary

Jrjnet is seeking a hands-on Rental Store Diesel Technician to keep our fleet of trucks, trailers, and heavy machinery field-ready and compliant with safety standards. You will perform inspections, diagnostics, and repairs, ensuring uptime and customer satisfaction in a fast-paced rental environment.

Responsibilities include preparing equipment for rental, post-rental inspections, thorough documentation, and coordination with rental managers.

Qualifications

• 2+ years of diesel technician experience in rental or construction fleet.
• 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.
• Valid driver’s license required; ability to obtain DOT Medical Card (CDL is a plus).

Responsibilities

• Diesel maintenance & repair: inspect, maintain, and diagnose diesel engines and power systems on fleet assets.
• Prepare equipment for rental, complete post-rental inspections, and address repairs promptly.
• Document maintenance, inspections, and repairs; ensure DOT/OSHA compliance.
• Maintain safe, organized work area and use PPE; provide customer-facing safety checks as needed.
• Coordinate with rental managers, dispatch, and drivers to prioritize repairs.

Skills

Diesel engines

Diagnostics

Hydraulics

Electrical systems

Education

High school diploma or GED

Technical diesel certifications

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