Night - Supervisor of Equipment Maintenance

Landfill Maintenance Supervisor

Interstate Waste Services is the most progressive and innovative provider of solid waste and recycling services in the greater New York, New Jersey and Connecticut markets with a rail-served landfill in Ohio. IWS is committed to delivering high-quality waste, recycling and environmental services, while prioritizing the safety of our employees, customers and communities. We cater to a diverse range of industrial, medical and commercial/residential customers.

Founded in 1998, IWS has grown over the years through acquisitions, many of which were family-owned businesses that remain a part of our team today. We're proud to combine the resources of a large company with the values and care of a family-run business.

The Landfill Maintenance Supervisor oversees day-to-day preventive, predictive and corrective maintenance for the landfill's mobile equipment fleet, support vehicles, maintenance shop and related operating assets. The supervisor leads maintenance technicians and support personnel, assigns work, checks repair quality and reinforces safe work practices while helping keep critical equipment available for landfill operations.

• Supervise, coach and develop maintenance personnel, which may include heavy equipment mechanics, welders, service technicians and parts or inventory support staff.
• Review maintenance priorities with the Maintenance Manager and assign daily work based on operating needs, equipment condition, safety risk and production impact.
• Coordinate work-order flow, labor assignments, shift coverage, emergency response and shop productivity throughout the assigned shift.
• Reinforce accountability, urgency, teamwork, professionalism and safety throughout the maintenance shop and field work areas.
• Assist with onboarding and training, provide timely performance feedback and elevate serious performance or conduct concerns to the manager.
• Oversee maintenance and repair of landfill and support equipment, including but not limited to:
• Landfill compactors, dozers, excavators, articulated haul trucks, water trucks, semi tractors/trailers, pumps, light-duty vehicles and other site support or specialty equipment
• Verify repairs are completed safely, correctly and on time, and confirm equipment is properly documented before it is returned to service.
• Provide hands-on technical direction for difficult diagnostics involving diesel engines, hydraulics, electrical systems, powertrain components, brakes, emission systems and structural repairs.
• Coordinate field repairs and emergency breakdown response to reduce equipment downtime and keep operations informed.
• Ensure scheduled services, inspections, lubrication, oil changes, fluid sampling, undercarriage inspections, component tracking and rebuild intervals are completed on time.
• Monitor PM compliance, repeat failures and downtime information; address routine gaps and report recurring or significant issues to the manager.
• Use available predictive maintenance tools, including telematics, diagnostic software, oil analysis and trend monitoring, to support repair decisions.
• Partner with operations to ensure operators complete pre-shift and post-shift inspections and report equipment defects promptly.

• High school diploma or GED required; technical school or an associate degree in diesel, heavy equipment or industrial maintenance is preferred.
• 3-5 years of heavy equipment maintenance experience, preferably in landfill, waste, construction, quarry, mining, recycling or similarly severe-duty operations.
• At least two years of experience leading technicians or coordinating maintenance work.
• Strong working knowledge of heavy equipment maintenance practices, diagnostics and repair planning.
• Experience with diesel engines, hydraulic systems, electrical systems, powertrain systems, brakes, HVAC, welding and fabrication.
• Experience using CMMS, fleet maintenance software and diagnostic tools.
• Valid driver's license required; CDL preferred or the ability to obtain one if required by the operation.
• Strong organizational, communication, leadership and problem-solving skills.
• Ability to manage competing priorities in a fast-paced, high-accountability operating environment.

This job description is intended to be an accurate representation of the general functions of the job, rather than an exhaustive list of duties, responsibilities, or experience. Other duties may be assigned, requested, or…