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Heavy Equipment Mechanic

Koppers Inc.
Jan 27, 2026

Job Responsibilities

The Heavy Equipment/Diesel Engine Mechanic is responsible for inspecting, repairing, and maintaining large machinery used in various industries, ensuring they operate efficiently and safely as well as responsibleforinspecting,diagnosing,andrepairingdiesel loweredvehiclesandmachinery,ensuringtheyoperateefficientlyandsafely. Position reports to the Plant Manager and has no supervisory responsibilities.

  • Conducts regular inspections and preventive maintenance on heavy equipment, including bulldozers, cranes, and excavators, to ensure optimal performance and safety; performs diagnostic tests on diesel engines and vehicles to identify issues and determine necessary repairs.

  • Uses computerized diagnostic equipment to identify mechanical issues and performs routine maintenance and major repairs on engines, hydraulic systems, transmissions, and other critical systems

  • Works closely with operators, mechanics, and technicians to diagnose equipment issues, provide maintenance guidance, and develop repair plans

  • Maintains detailed and accurate records of all preventive maintenance (PM) performed for compliance and tracking purposes.

  • Testdrivevehiclesafterrepairstoensuretheyarefunctioningcorrectlyandsafely. Inspect machines, engines, transmissions etc. and run diagnostic tests to discover functionality issues.

  • Conduct repairs aiming for maximum reliability

  • Order and maintain necessary parts for equipment repairs

  • Collaborate/communicate with Plant Manager and General Yard Foreman on equipment repairs/downtime for planning of yard operations

  • Troubleshoot reported problems and resolve them in a timely manner

  • Perform thorough maintenance on machinery, equipment and systems

  • Maintain all safety devices and systems on equipment in accordance with regulations and Koppers Zero Harm principles

  • Clean and apply lubricants to machinery components

  • Replenish fluids and components of engines and machinery

  • Provide consultation on correct maintenance and preventative measures to machine or vehicle users

  • Undertake other duties as assigned (e.g. repair of hydraulic systems, painting vehicles etc.)

  • Follow safety protocols and maintain a clean and safe workspace, adhering to local and national regulations

Candidate Qualifications/ Requirements

Required:

  • 3-5 years' Heavy Equipment Mechanic and Diesel

  • Repair experience required.

  • Along with knowledge of mechanical, electrical, and hydraulic systems.

  • Certificate from Tech school or equivalent work experience

  • Must have a valid driver's license

  • Must have great attention to detail

  • Basic computer skills

  • Ability to work with various machines and tools

  • Experience working in small teams

  • Knowledge of various types of heavy equipment

  • Very strong mechanical knowledge

  • Ability to fill out logs on all equipment worked on

  • Knowledge on OSHA regulations pertaining to this position

  • Must have a safety-first mindset

Preferred:

  • Welding experience preferred

  • Extensive safety training

Physical & Work Requirement

  • Must be able to stand; walk; sit; reach with hands and arms; climb or balance; stoop, kneel, crouch or crawl and talk or hear.

  • Must be able to work in all outside weather conditions (wet, hot, cold)

  • Able to work with a moderate noise level

  • Ability to create 20-30 plus pounds of pressure, sometimes above shoulder level

  • Ability to climb in tight spots

  • PPE includes, but not limited to steal toed boots, heat-resistant gloves, protective mask, ear plugs and, safety glasses

  • Ability to lift up to 50lbs

Koppers Inc. and its subsidiaries are equal opportunity employers. All qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other category or characteristic protected by federal law, state, or local law.

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