Lead Mechanic Diesel/Heavy MachineryHarlem Valley Sand & Gravel • Wassaic, New York, United States
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Lead Mechanic Diesel/Heavy Machinery
Harlem Valley Sand & Gravel
- Wassaic, New York, United States
- Wassaic, New York, United States
About
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 & Supervision
* Lead, supervise, and mentor assistant mechanic
* Assign daily work orders and prioritize repairs based on production needs
* Inspect completed repairs for quality, safety, and regulatory compliance
* Provide technical guidance on complex or critical equipment failures
* Support training initiatives and skill development within the maintenance team
Safety, Compliance & Operations
* Ensure compliance with *MSHA, DOT, OSHA, and environmental regulations*
* Enforce lockout/tagout, confined space, and safe work practices
* Maintain accurate maintenance records, inspection reports, and regulatory documentation
* Coordinate with mine operations, dispatch, and fleet management to reduce downtime
* Assist with audits, inspections, and safety meetings
Inventory & Maintenance Planning
* Manage parts usage, tools, and shop equipment
* Coordinate ordering of parts and materials to support fleet uptime
* Recommend equipment rebuilds, replacements, or upgrades
* Assist in developing maintenance schedules and long-term asset plans
QualificationsRequired
* High school diploma or GED (technical or trade school preferred)
* 5–10+ years of experience as a diesel or heavy equipment mechanic
* Strong working knowledge of heavy haul trucks, diesel engines, hydraulics, electrical systems, and air brake systems
* Proven leadership or lead mechanic experience
* Ability to interpret technical manuals, schematics, and diagnostic data
* Valid driver’s license
Preferred
* *CDL (Class A or B)*
* *ASE certifications* (T-Series preferred)
* *MSHA Part 46 or Part 48 training*
* OEM certifications
* Experience with fleet maintenance software and electronic diagnostic tools
Skills & Competencies
* Advanced diagnostic and troubleshooting ability
* Strong leadership and decision-making skills
* High level of safety awareness and regulatory knowledge
* Effective communication with operations and management
* Ability to work under pressure in production-critical environments
* Strong organizational and documentation skills
Work Environment
* Combination of shop, mine site, and field service work
* Exposure to dust, noise, vibration, and extreme weather conditions
* May require extended hours or on-call availability
Compensation & Benefits _(optional)_
* Competitive wage based on experience
* Overtime opportunities
* Health, dental, and vision insurance
* Retirement plan options
* Paid time off and holidays
* Training, certification, and advancement opportunities
Job Type: Full-time
Pay: $28.00 - $45.00 per hour
Expected hours: No less than 40 per week
Benefits:
* 401(k)
* 401(k) matching
* Dental insurance
* Employee assistance program
* Employee discount
* Flexible schedule
* Flexible spending account
* Health insurance
* Health savings account
* Life insurance
* Paid time off
* Parental leave
* Vision insurance
Work Location: In person
Languages
- English
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