Systems Integration Engineer, Senior - Rail and Transit Toronto, ON, Canada Thornhill, ON, Canada

Responsibilities

Lead systems integration planning and execution across complex, multi‑disciplinary rail and transit projects.

Define and manage systems architecture, interfaces, and integration strategies across the full engineering lifecycle.

Coordinate signaling, communications, traction power, SCADA, control centre, and related subsystems to ensure seamless interoperability.

Define and manage interfaces through Interface Control Documents (ICDs), Interface Definition Documents (IDDs), and traceability artifacts.

Drive interface management, verification, and validation activities aligned with progressive design‑build milestones.

Facilitate technical workshops and interface resolution sessions with designers, contractors, vendors, operators, and clients.

Ensure compliance with system requirements, industry standards,...