Diesel Heavy Equipment Mechanic — Rail & Field Service

Keolis North America Inc.; Cambridge (MA); On-site; USD 107,452,800 - 118,473,600; Full time

Job summary

Keolis North America Inc. in the Boston area is hiring a Machinist (Diesel Mechanic) to repair and maintain heavy equipment and roadway machinery at construction sites.

This role requires five years of experience as a heavy equipment mechanic, welding skills, and a valid driver’s license with a DOT medical card; CDL preferred. You will perform inspections, diagnose issues, and conduct heavy repairs while complying with FRA rules.

Qualifications

• Five years of experience as a heavy equipment mechanic.
• Welding experience is required.
• Valid driver's license with DOT medical card; CDL preferred.

Responsibilities

• Ensure compliance with all railroad rules and regulations for safety, operations and the Federal Railroad Administration (FRA).
• Inspect and troubleshoot heavy equipment components including gas and diesel engines, transmissions, differentials, hydraulic pumps, motors, cylinders, valves, work heads, booms, electrical systems, and conveyor belt systems.
• Perform heavy repairs to all types of equipment components.
• Diagnose and resolve work‑related problems, make decisions and provide instructions.
• Drive heavy duty service truck, including truck‑mounted crane.
• Other duties as assigned during emergencies.

Skills

Heavy equipment mechanic

Welding

Driver’s license with DOT medical card

CDL preferred

Hydraulic systems

Electrical systems

Pneumatic systems

Education

High school diploma or GED

Job description

Keolis North America Inc. in the Boston area is hiring a Machinist (Diesel Mechanic) to repair and maintain heavy equipment and roadway machinery at construction sites.

This role requires five years of experience as a heavy equipment mechanic, welding skills, and a valid driver’s license with a DOT medical card; CDL preferred. You will perform inspections, diagnose issues, and conduct heavy repairs while complying with FRA rules.