Mechanic at Noble Environmental Specialty Services – Kersey, Pennsylvania

The Heavy Equipment Mechanic is responsible for advanced diagnostics, repair, overhaul, and preventative maintenance of landfill and support equipment. This role requires in-depth knowledge of diesel engines, hydraulic systems, electrical systems, emissions components, and powertrain systems. The mechanic will ensure equipment uptime, operational reliability, and compliance with safety and environmental standards.

• Landfill compactors (e.g., CAT 826, 836 series)

• Crawler dozers (D6–D9 class)

• Hydraulic excavators (30–80 ton class)

• Wheel loaders (950–980 class)

• Articulated haul trucks

• Roll-off trucks and support vehicles

• Stationary equipment (pumps, blowers, generators)

• Diagnose complex mechanical, hydraulic, electrical, and electronic failures

• Perform engine diagnostics using OEM software and scan tools

• Troubleshoot CAN bus systems and ECM-controlled components

• Repair or replace engines, transmissions, torque converters, final drives, differentials, and hydraulic pumps/motors

• Diagnose DEF and Tier 4 emissions systems

• Perform scheduled PM services (250/500/1000-hour intervals)

• Conduct oil sampling and interpret fluid analysis reports

• Inspect undercarriage wear components (rollers, idlers, sprockets, track chains)

• Maintain lubrication schedules and filtration systems

• Diagnose high- and low-pressure hydraulic systems

• Rebuild hydraulic cylinders

• Troubleshoot pilot control systems and proportional valves

• Test and adjust relief pressures and flow rates

• Diagnose and repair starting/charging systems

• Read and interpret wiring schematics

• Repair harnesses, sensors, and controllers

• Troubleshoot lighting and safety systems

• Perform structural welding repairs on buckets, blades, and frames

• Fabricate brackets and reinforcement components as needed

• Complete detailed work orders and parts documentation

• Maintain service logs and equipment history

• Ensure compliance with OSHA, MSHA (if applicable), and environmental regulations

• Follow lockout/tagout procedures

• 5+ years of heavy equipment repair experience

• Strong knowledge of diesel engine systems (CAT, Cummins, Deere preferred)

• Experience with Tier 4 emissions systems

• Proficiency using OEM diagnostic software

• Ability to read hydraulic and electrical schematics

• Welding and fabrication experience

• Valid driver’s license

• OEM certifications (CAT, Komatsu, Volvo, etc.)

• CDL (Class A or B)

• ASE Heavy Truck Certification

• Experience in landfill, mining, or construction fleet environments

• Ability to lift 75 lbs

• Work in outdoor landfill conditions (heat, cold, dust, noise)

• Climb ladders and equipment safely

• Work in confined spaces when necessary

• Extended standing, kneeling, and bending

• Strong troubleshooting and root-cause analysis skills

• High mechanical aptitude

• Ability to work independently with minimal supervision

• Strong safety mindset

• Time management and productivity focus