Diesel Mechanic​/Heavy Machine mechanic

We are currently seeking an experienced Heavy Equipment & Diesel Truck Mechanic to join our maintenance team in Seaville, NJ. This position is responsible for diagnosing, repairing, and maintaining a wide range of construction equipment, diesel trucks, and support vehicles to keep our fleet operating safely and efficiently.
The ideal candidate is dependable, mechanically skilled, safety-conscious, and capable of working independently in a fast-paced environment.
Key Responsibilities

• Diagnose, troubleshoot, and repair mechanical, hydraulic, electrical, and diesel engine systems.
• Perform preventive maintenance and scheduled service on heavy equipment, diesel trucks, trailers, and small engine equipment.
• Remove, repair, replace, and rebuild major mechanical components as needed.
• Read and interpret service manuals, wiring diagrams, hydraulic schematics, blueprints, and technical documentation.
• Complete DOT annual inspections and ensure vehicles meet all federal and state safety requirements.
• Perform emergency field repairs at customer jobsites or company locations when necessary.
• Inspect equipment for safety, reliability, and proper operation before returning it to service.
• Maintain accurate maintenance records and repair documentation.
• Keep the shop clean, organized, and compliant with company safety standards.
• Communicate effectively with supervisors, drivers, and other team members regarding repair status and equipment needs.
• Deliver quality workmanship while maintaining the professionalism and customer service Action Supply is known for.
• Follow all OSHA regulations, company safety policies, and safe work practices.

We are currently seeking an experienced Heavy Equipment & Diesel Truck Mechanic to join our maintenance team in Seaville, NJ. This position is responsible for diagnosing, repairing, and maintaining a wide range of construction equipment, diesel trucks, and support vehicles to keep our fleet operating safely and efficiently.
The ideal candidate is dependable, mechanically skilled, safety-conscious, and capable of working independently in a fast-paced environment.
Key Responsibilities

• Diagnose, troubleshoot, and repair mechanical, hydraulic, electrical, and diesel engine systems.
• Perform preventive maintenance and scheduled service on heavy equipment, diesel trucks, trailers, and small engine equipment.
• Remove, repair, replace, and rebuild major mechanical components as needed.
• Read and interpret service manuals, wiring diagrams, hydraulic schematics, blueprints, and technical documentation.
• Complete DOT annual inspections and ensure vehicles meet all federal and state safety requirements.
• Perform emergency field repairs at customer jobsites or company locations when necessary.
• Inspect equipment for safety, reliability, and proper operation before returning it to service.
• Maintain accurate maintenance records and repair documentation.
• Keep the shop clean, organized, and compliant with company safety standards.
• Communicate effectively with supervisors, drivers, and other team members regarding repair status and equipment needs.
• Deliver quality workmanship while maintaining the professionalism and customer service Action Supply is known for.
• Follow all OSHA regulations, company safety policies, and safe work practices.

• Minimum of two (2) years of experience repairing heavy equipment, diesel trucks, or commercial vehicles.
• Strong knowledge of diesel engines, hydraulic systems, electrical systems, brakes, drive trains, and small engine repair.
• Ability to diagnose equipment failures and perform repairs efficiently with minimal supervision.
• Experience performing preventive maintenance and DOT inspections.
• High school diploma or GED required; vocational or…