Fleet Maintenance Tech II - Diesel and Heavy-Duty

Durham School Services; Jacksonville (FL); On-site; USD 52,000 - 66,000; Full time

Job summary

Summit School Services is seeking a Fleet Tech II to diagnose and repair medium/heavy vehicles used to transport students. You will work with the Lead Technician, perform preventive maintenance, inspections, and mobile repairs as needed to keep routes on time and safe.

The role requires a high school diploma or equivalent, experience with diesel systems, and strong diagnostic skills. CDL is preferred; ASE certification is desirable but not required. The position emphasizes teamwork and safety.

Qualifications

• Minimum three (3) years of light/medium/heavy-duty mechanic repair experience.
• Proficient with diagnostic equipment to identify and troubleshoot mechanical, electrical, and A/C issues.
• Technical knowledge of major vehicle systems; diesel equipment experience required (gasoline systems familiarity a plus).
• Prior fleet or dealership experience; familiar with both diesel and gasoline systems.
• Possess the recommended minimum hand tools for a Diesel/Gas Technician.
• High school graduate or equivalent education and/or training and experience.
• Ability to read, write, and communicate effectively in English.
• Valid applicable state license (CDL preferred). Company has a free training program for Technicians, and you will be expected to obtain a valid CDL.
• ASE Certification desirable but not required.

Responsibilities

• Diagnose and repair automotive and diesel systems — including brakes, steering, suspension, drivetrains, electrical, cooling, and fuel systems — according to skill level.
• Perform engine adjustments, rebuilds, and test drives to verify quality repairs.
• Complete required safety inspections and repair sign-offs before releasing vehicles.
• Keep a safe, organized, and compliant workspace following all Federal, State, and local standards.
• Identify and report additional service needs or complex issues requiring advanced support.
• Accurately log labor hours, parts used, and completed work in the maintenance system.
• Notify leadership of unsafe conditions, equipment misuse, or vehicle abuse immediately.
• Respond to road calls and perform mobile repairs when needed.
• Model professionalism, teamwork, and integrity in every task.
• Other duties as assigned.

Skills

Mechanical troubleshooting

Diagnostic equipment

English communication

Education

High school diploma or equivalent

CDL preferred

ASE Certification desirable

Tools

Diesel/Gas technician tools

Diagnostic tools

Job description

Summit School Services is seeking a Fleet Tech II to diagnose and repair medium/heavy vehicles used to transport students. You will work with the Lead Technician, perform preventive maintenance, inspections, and mobile repairs as needed to keep routes on time and safe.

The role requires a high school diploma or equivalent, experience with diesel systems, and strong diagnostic skills. CDL is preferred; ASE certification is desirable but not required. The position emphasizes teamwork and safety.