$28.00 - $45.00 hourly
Harlem Valley Sand & Gravel
Wassaic, NY, USA
Job Summary The Lead Heavy Machinery / Diesel Mechanic is responsible for overseeing the inspection, maintenance, and repair of heavy equipment and over-the-road (OTR) trucking fleets. This position provides hands-on technical expertise while leading maintenance personnel to ensure equipment reliability, safety compliance, and minimal operational downtime in demanding mining and hauling environments. *Key ResponsibilitiesMechanical & Technical Duties* * Diagnose, repair, and maintain diesel engines, powertrains, braking systems, hydraulics, electrical systems, and emissions systems * Service mining equipment including haul trucks, loaders, excavators, and support equipment * Maintain OTR trucks, trailers, and fleet vehicles in compliance with DOT regulations * Perform preventive maintenance inspections to maximize equipment availability and lifespan * Troubleshoot complex mechanical and electronic issues using diagnostic software and service manuals Leadership &...