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. Senior Systems Engineer, C&S Operations Salary Range: $89,622 - $140,000 The Senior Systems Engineer leads a team of Electronic Technicians responsible for the safe, reliable, and efficient maintenance of all Commuter Rail signal systems, grade crossing warning systems, defect detection systems, and train control systems. In this role, the Senior Systems Engineer and their team provide technical expertise and hands-on field support for routine maintenance, as well as during system failures or incident investigations. This includes performing detailed data log reviews to determine root causes and recommend corrective actions. The position carries direct oversight of the Commuter Rail Computer-Aided Dispatch (CAD) system, including leadership of a team of Electronic Signal Specialists responsible for monitoring, maintaining, and ensuring the system’s reliable operation. The Senior Systems Engineer will play an integral role in the implementation of a new CAD system and will assist with establishing an integrated Operations Control Center (OCC), which will form a 24-hour technical support capability, ensuring rapid incident response, operational continuity, and effective collaboration between control center and field operations.