Diesel Mechanic (Machinist)

Diesel Mechanic (Machinist)

Job Category: Maintenance Supervisor: Scott Barchus Requisition Number: DIESE005868

Posted: April 16, 2026 Full-Time On-site Rate: $38.16 USD per hour Cambridge, MA 02140, USA Travel Required: Yes

Job Details

Description

Driven by Purpose. Powered by People.

At Keolis , a leader in public transportation and proudly headquartered in Boston, our mission — We Imagine, We Care, We Commit — is more than words. It's how we support our communities and how we support each other. As part of our team, you'll have access to a comprehensive benefits package designed with your wellbeing in mind. We offer a competitive benefits package that supports your health, wellbeing, and peace of mind. This includes medical, dental, and vision coverage, along with life and disability insurance. You'll also have access to a variety of voluntary benefits such as hospital indemnity, accident, and critical illness coverage, as well as home, auto, and pet insurance. To help secure your financial future, we also provide a 401(k)-retirement plan with a company match. At Keolis, you're not just building a career — your part of something bigger.

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 at Keolis. By placing safety first, we ensure the well-being of our employees, customers and communities. Together we can become the most successful transportation company in the world.

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. We maintain a drug-free workplace and perform pre-employment substance abuse testing.

ADA Reasonable Accommodation: Keolis CS is committed to the full inclusion of all qualified individuals. As part of this commitment, Keolis CS will ensure that persons with disabilities are provided reasonable accommodations.

Disclaimer and closing statement: The above statements are intended to describe the general nature and level of work performed by employees assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of employees assigned to this job. Keolis is committed to offering our employees competitive compensation and benefits, opportunities for development and growth throughout an exciting and rewarding career and the safest work environment possible.

#INDHP

Travel Required

Yes. Travel to different locations throughout the Keolis network

Qualifications

Behaviors

Required

Dedicated:

Devoted to a task or purpose with loyalty or integrity

Motivations

Required

Flexibility:

Inspired to perform well when granted the ability to set your own schedule and goals

Education

Required

High School or better.

Experience

Preferred

5 years:

Proven ability and practical experience with repairing and maintaining heavy equipment and roadway machinery at construction sites.

Licenses & Certifications

Required

Drivers License

Preferred

CDL

Equal Opportunity Employer This employer is required to notify all applicants of their rights