Diesel Mechanic Class A

Interstate Waste Services • Chester, NY

4d • Onsite

About The Position

Interstate Waste Services (IWS) is seeking a top-tier technical expert, a Level A Fleet Mechanic/Technician, to join their team. This role is responsible for advanced diagnostics, complex repairs, and providing technical leadership for refuse trucks, heavy trucks/tractors, and support assets. The ideal candidate will set the standard for safety, quality, productivity, and training, while partnering with maintenance leadership to enhance fleet uptime and ensure regulatory compliance. IWS is a progressive provider of solid waste and recycling services in the greater New York, New Jersey, and Connecticut markets, with a rail-served landfill in Ohio. Founded in 1998, IWS combines the resources of a large company with the values of a family-run business.

Requirements

• High school diploma or GED required.
• A minimum of 5 years of proven hands-on experience as a diesel mechanic as a diesel/heavy-equipment mechanic/technician, including advanced diagnostics and major component overhaul.
• CDL Class B or A with air brake endorsement required or strongly preferred due to frequent road tests and movement of collection vehicles on public roads.
• Demonstrated expert-level knowledge of heavy truck and refuse systems.
• Demonstrated expert-level knowledge of refuse hydraulic, electrical, and powertrain systems.
• Demonstrated expert-level knowledge of diagnostic software, scan tools, and OEM service information.
• Proven track record of performing complex diagnostics and repairs independently.
• Must provide own professional-grade tools required for diagnostic and repair work.
• Possession of a valid driver’s license is required.

Nice To Haves

• Additional technical training strongly preferred.
• ASE Master Medium/Heavy Truck Technician or equivalent combination of ASE certifications (T series) and/or OEM advanced certifications preferred.
• Experience in a lead or senior technician role in a refuse, municipal, or large private fleet environment preferred.
• Experience with CNG/LNG, hybrid, or EV drivetrains for heavy vehicles preferred.
• Strong communication skills and the ability to coach, influence, and drive standards across multiple shifts or locations preferred.

Responsibilities

• Lead diagnosis and resolution of complex, intermittent, or chronic issues involving engine performance and emissions/aftertreatment (DPF, DOC, SCR, sensors, dosing systems).
• Diagnose and resolve issues with CAN-bus and multiplex electrical systems, electronic control modules, and communication networks.
• Diagnose and resolve issues with advanced hydraulics for refuse bodies, auto-load arms, high-pressure systems, and heavy truck power take-offs.
• Plan and execute major component work including major engine repairs, transmission and differential R&R, frame-off repairs, and complex hydraulic rebuilds.
• Serve as the go-to technical resource for Level B and Level C technicians; provide on-the-job training, coaching, and quality checks.
• Assist in training on diagnostic software and tools, new equipment technology, safety systems, and telematics.
• Assist in training on company maintenance standards, PM strategies, and repair procedures.
• Analyze repeat repairs, failure trends, and PM findings; recommend changes to PM intervals, inspection checklists, or parts specifications.
• Ensure all work complies with DOT, FMCSA, OSHA, BIC, DEP and environmental regulations, as well as state/local requirements in NY, NYC, NJ, and CT.
• Perform and sign off on critical inspections (e.g., PDI, PM and Annual inspections, accident damage assessments, major repair QC).
• Support complex road calls and on-site repairs on the road, at transfer stations, MRFs, or customer locations throughout the NYC tri-state area.
• Partner with Operations and Dispatch to minimize downtime, sequence repairs effectively, and prioritize critical units.
• Provide clear feedback to leadership on equipment condition, replacement candidates, and chronic issues affecting uptime or safety.
• Help plan daily shop workload and allocate jobs according to technician skill level.
• Assist in specifying parts, evaluating vendor options, and supporting warranty recovery efforts.
• Support audits, safety inspections, and external regulatory reviews as the technical representative for the shop.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: High school or GED