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Diesel Mechanic; Machinist

Job in Cambridge, Middlesex County, Massachusetts, 02140, USA
Listing for: Keolis Commuter Services
Full Time position
Listed on 2026-06-23
Job specializations:
  • Transportation
Salary/Wage Range or Industry Benchmark: 38.16 USD Hourly USD 38.16 HOUR
Job Description & How to Apply Below
Position: Diesel Mechanic (Machinist)

Job Summary

The Machinist (Diesel Mechanic) repairs and maintains heavy equipment and roadway machinery at construction sites.

Rate

$38.16/hr

Experience
  • Must have high school diploma, GED or equivalent educational credential
  • Five years of experience as a heavy equipment mechanic
  • Welding experience
  • Must have a valid driver's license - DOT Medical Card, Hoisting License. Commercial Driver’s License (CDL) preferred
  • Knowledge of hydraulic systems, electrical and electronic systems, and pneumatic systems as it pertains to the operation and maintenance of roadway machinery
Key Accountabilities
  • Ensure compliance with all railroad rules and regulations for safety, operations and the Federal Railroad Administration (FRA)
  • Troubleshoot and perform heavy repairs to all types of equipment components including gas and diesel engines, transmissions and differentials, hydraulic pumps, motors, cylinders, valves, various work heads, booms, electrical systems, and conveyor belt system
  • Solve work related problems, make decisions, and provide instructions
  • Understand mechanical operations of machinery
  • Drive heavy duty service truck, including truck mounted crane
  • Other duties as assigned during emergencies
Other Requirements
  • Employment contingent upon passing pre-employment drug and alcohol screen. Also, contingent upon receiving a favorable background check
Effort Factors

Physical/Mental Demands:

  • Heavy work, lifting to 50 pounds individually or occasionally up to 100 pounds with a coworker.
  • Must be able to stoop/bend/kneel/crouch/balance/climb on an occasional basis.
Working Conditions
  • Shift work: work hours may include overtime and various shift work.
  • Involves working outside in all types of weather conditions year-round as assigned.
About Us

At Keolis Commuter Services (KCS), we give every team member— and their ideas— a seat for the journey. We are a diverse team made up of different backgrounds, stories, and perspectives, which is our strength. If you’re looking for a career with a company that invests in your future, KCS is the place for you. Since 2014, Keolis Commuter Services has been entrusted with operating and maintaining the Commuter Rail network on behalf of the Massachusetts Bay Transportation Authority (MBTA).

During this time, we have worked to deliver a safe and reliable service, thanks to the knowledge and dedication of our team, and our experience operating transit networks around the world. Today, we're proud of the progress we have made together to deliver a best‑in‑class service for the Greater Boston community.

We believe our people are what make us great. That is why we demonstrate a commitment to a safe, healthy, and inclusive culture that welcomes ideas, encourages innovation, and values belonging. Your future starts here.

Benefits Package Highlights
  • Generous Medical & Rx plan
  • Dental & Vision Plan
  • Railroad Retirement Benefits - a federal program that administers retirement, survivor, unemployment, and sickness benefits to U.S. railroad workers and their families.
  • Fidelity 401K Program
  • Flexible Spending Accounts
  • Transit and Parking Reimbursement Benefits
  • Employee Assistance Program
  • Company Sponsored Life & Accidental Death and Dismemberment Benefits
  • Education Assistance
  • Short- & Long-term Disability Benefits
  • Voluntary Benefits Plan options including
    • Supplemental health plans for accidents, critical illness, hospital stays
    • Pet, Home, Auto insurance
Additional Statements

Drug and alcohol screening:
Employment contingent upon passing pre‑employment drug and alcohol screen. Also contingent upon receiving a favorable background check. Must pass a physical examination.

Safety commitment:
Safety is a way of life  placing safety first, we ensure the well‑being of our employees, customers and communities.

Environmental commitment:
Keolis is committed to protecting the environment by minimizing the impact of operations to our people and the communities in which we operate.

EEO statement:
Our policy is to afford Equal Employment Opportunity to qualified individuals regardless of their race, color, sex, religion, age, creed, marital status, national origin, ancestry, physical or mental disability, sexual orientation or gender identification.…

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