Senior Diesel & Heavy Equipment Mechanic

About the role

The Senior Diesel & Heavy Equipment Mechanic is the lead technician responsible for diagnosing, repairing, and overseeing maintenance of diesel, heavy‑equipment and tactical vehicle fleets. This position ensures all work meets OEM, NAVFAC and NSW standards while maintaining high equipment availability for operational readiness.

Key responsibilities

• Perform advanced diagnostics and repairs on diesel engines, drivetrains, suspension, braking and hydraulic systems.
• Provide expert technical input on complex maintenance issues and document all labor, parts and repairs in Fleet Focus.
• Mentor and oversee junior and mid‑level mechanics, ensuring quality and compliance with standards.
• Support inspections, audits and readiness assessments, and operate government vehicles during testing.

Required profile

• U.S. citizenship with ability to obtain a Secret clearance and installation access credentials.
• Minimum six years of experience as an OEM, commercial‑fleet or military diesel/heavy‑equipment mechanic (or equivalent E7‑E8 military experience).
• Experience maintaining diesel engines over 400 HP and CESE platforms.
• ASE Master Mechanic certification in Medium Heavy Trucks or Military Tactical Wheeled Vehicles (or five years as a depot‑level shop lead).
• Valid U.S. driver’s license; CDL preferred.
• Ability to lift up to 75 lb and work in motor‑pool, shop and field environments.

Required skills

• Advanced diagnostics
• Diesel engine repair
• Heavy‑equipment repair
• Drivetrain, suspension, braking and hydraulic system repair
• Asset Works Fleet Focus proficiency
• ASE Master Mechanic certification
• Commercial Driver’s License (CDL)