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About the Role

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. This role involves leading maintenance technicians, assigning work, checking repair quality, and reinforcing safe work practices to ensure critical equipment availability for landfill operations.

Responsibilities

Supervise, coach, and develop maintenance personnel, including mechanics, welders, service technicians, and parts/inventory support staff.
Review maintenance priorities 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.
Reinforce accountability, urgency, teamwork, professionalism, and safety within the maintenance team.
Assist with onboarding and training, provide performance feedback, and escalate performance concerns.
Oversee maintenance and repair of landfill and support equipment, including compactors, dozers, excavators, haul trucks, water trucks, semi tractors/trailers, pumps, and light-duty vehicles.
Verify that repairs are completed safely, correctly, and on time, ensuring proper documentation before equipment returns to service.
Provide hands-on technical direction for complex diagnostics involving diesel engines, hydraulics, electrical systems, powertrain components, brakes, emission systems, and structural repairs.
Coordinate field repairs and emergency breakdown response to minimize equipment downtime.
Ensure scheduled services, inspections, lubrication, fluid changes, and rebuild intervals are completed on time.
Monitor PM compliance, repeat failures, and downtime; address gaps and report significant issues.
Utilize predictive maintenance tools, including telematics, diagnostic software, and oil analysis, to inform repair decisions.
Partner with operations to ensure operators complete pre- and post-shift inspections and report equipment defects promptly.

Requirements

High school diploma or GED required.
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.
Strong organizational, communication, leadership, and problem-solving skills.
Ability to manage competing priorities in a fast-paced, high-accountability operating environment.

Skills

Heavy equipment maintenance
Diesel engines
Hydraulic systems
Electrical systems
Powertrain systems
Brakes
HVAC
Welding
Fabrication
CMMS
Fleet maintenance software
Diagnostic tools
Predictive maintenance
Telematics
Oil analysis
Leadership
Communication
Problem-solving
Organizational skills

Location

New York
New Jersey
Connecticut
Ohio

Work Type

Full-time

Experience Level

3-5 years of heavy equipment maintenance experience
At least two years of experience leading technicians or coordinating maintenance work

Education Level

High school diploma or GED
Technical school or an associate degree in diesel, heavy equipment or industrial maintenance is preferred

Salary/Compensations

USD $95,000.00/Yr. - USD $115,000.00/Yr.

About the Company

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.

Equal Opportunity

Interstate Waste Services provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.