Diesel Mechanic

Lead Diesel Mechanic / Fleet & Equipment Maintenance Manager Westchester County, NY | Full-Time | On-Site About the Opportunity An established, well-respected contractor in Westchester County is looking for an experienced Diesel Mechanic to own and lead its in-house maintenance operation. This is more than a wrench-turning role. You’ll be the go-to expert for our entire fleet and equipment portfolio, build the maintenance program from the ground up, lead a shop assistant, and serve as a trusted advisor to Ownership on equipment investments. If you take pride in keeping a fleet running at its best and want a seat at the table on how it grows, we’d like to talk with you. What You’ll Do Diagnose and repair trucks, trailers, heavy equipment, machinery, and tools in-house Design and run preventive maintenance programs that cut downtime and extend equipment life Perform hydraulic system troubleshooting and repair Oversee overall fleet maintenance and keep detailed, accurate repair and service records Advise Ownership on equipment and vehicle replacement, purchasing, and lifecycle decisions Supervise, train, and develop one shop assistant Work with outside vendors, parts suppliers, and service providers professionally and efficiently Partner with field crews, internal departments, accounting, Senior Management, and Ownership Keep the shop safe and compliant with OSHA standards Handle confidential and proprietary business information with discretion What You Bring 8 to 10 years of hands-on experience as a diesel or heavy equipment mechanic, ideally in construction, contracting, or a similar fleet environment Broad mechanical skills across diesel engines, hydraulics, and heavy equipment Comfort with industry software and digital tools for diagnostics, maintenance tracking, and recordkeeping Strong communication skills and the ability to explain technical issues clearly to non-technical decision-makers A safety-first mindset and solid working knowledge of OSHA requirements Self-direction and ownership of results Nice to Have Welding and fabrication skills ASE Certification or equivalent CDL (Class A or B) Computer diagnostics experience OSHA 30 / SST card Supervisory or lead mechanic experience Annual Salary Range: $80,000 - $100,000

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