Fleet Mechanic — Diesel & Heavy-Duty

NETC Fleet Services; Exeter (NH); On-site; USD 34,000 - 58,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) with company match

Overtime available

Steady work with a growing fleet

Opportunity to advance

Job summary

NETC Fleet Services in Exeter, NH is seeking a Fleet Mechanic specializing in diesel and heavy-duty equipment to keep tow trucks, wreckers, tractors, trailers, and support vehicles running safely and reliably.

You will perform preventative maintenance, diagnose complex mechanical issues, service diesel and gasoline engines, and maintain accurate service records while working across mechanical, electrical, hydraulic, and air systems.

Qualifications

• 5+ years of fleet, diesel, or heavy-duty mechanic experience preferred.
• Experience with heavy-duty trucks, wreckers, or towing equipment is a strong plus.
• Strong troubleshooting and diagnostic skills — you find the root cause, not just the symptom.
• Working knowledge of DOT requirements and inspections.
• Ability to work independently, prioritize repairs, and manage your workload.
• Valid driver's license required.
• CDL is a plus.

Responsibilities

• Perform preventative maintenance and repairs on tow trucks, wreckers, tractors, trailers, and support vehicles
• Diagnose and repair mechanical, electrical, hydraulic, and air system problems
• Service and repair diesel and gasoline engines
• Handle brake, suspension, steering, and drivetrain repairs
• Perform DOT inspections and help keep the fleet safe and compliant
• Respond to breakdowns and make emergency repairs when needed
• Maintain accurate service and repair records
• Keep the shop, tools, and work areas clean, organized, and safe

Skills

Fleet maintenance

Diesel engines

Troubleshooting

Independent worker

Valid driver's license

Job description

NETC Fleet Services in Exeter, NH is seeking a Fleet Mechanic specializing in diesel and heavy-duty equipment to keep tow trucks, wreckers, tractors, trailers, and support vehicles running safely and reliably.

You will perform preventative maintenance, diagnose complex mechanical issues, service diesel and gasoline engines, and maintain accurate service records while working across mechanical, electrical, hydraulic, and air systems.