Heavy Equipment Mechanic - Field & Shop Diagnostics

Charter Environmental, Inc.; Needham Heights (MA); On-site; USD 65,000 - 90,000; Full time

Job summary

Charter Contracting Company is seeking a dependable Heavy Equipment Mechanic to inspect, diagnose, maintain, and repair our fleet of heavy construction equipment across New England. The role involves working both in shop and on active jobsites, troubleshooting mechanical, hydraulic, electrical, and engine issues to minimize downtime.

You will communicate repair findings, parts needs, and status updates to operators and supervision, while following safety and environmental guidelines.

Qualifications

• Hands-on experience maintaining and repairing heavy construction equipment.

Responsibilities

• Perform preventive maintenance, inspections, diagnostics, and repairs on Komatsu heavy equipment and other fleet assets.
• Troubleshoot diesel engines, electrical systems, hydraulic systems, powertrain components, brakes, steering, cooling systems, and related machine controls.
• Respond to field service needs at active jobsites and complete repairs safely under changing site and weather conditions.
• Identify the root cause of equipment problems and recommend practical repair options that balance safety, reliability, downtime, and cost.
• Complete routine services, component replacement, adjustments, welding and fabrication repairs, and equipment setup as needed.
• Read and use service manuals, schematics, diagnostic information, and technical specifications to support repairs.
• Communicate equipment status, repair findings, parts needs, and anticipated next steps to the appropriate team members.
• Maintain accurate service records and keep work areas, tools, service vehicles, and parts organized.
• Follow company safety requirements, site-specific procedures, and environmental controls while working in the shop or field.

Skills

Heavy equipment maintenance

Diesel diagnostics

Electrical diagnostics

Hydraulic diagnostics

Welding & fabrication

Tool use & manuals

Independent work

Outdoor travel

Valid driver's license

Tools

Diagnostic equipment

Job description

Charter Contracting Company is seeking a dependable Heavy Equipment Mechanic to inspect, diagnose, maintain, and repair our fleet of heavy construction equipment across New England. The role involves working both in shop and on active jobsites, troubleshooting mechanical, hydraulic, electrical, and engine issues to minimize downtime.

You will communicate repair findings, parts needs, and status updates to operators and supervision, while following safety and environmental guidelines.