Systems Integration Engineer, Senior - Rail and Transit Toronto, ON, CanadaThornhill, 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, and client expectations through robust traceability and governance. Engage directly with clients to resolve technical issues and align expectations. Mentor junior engineers and specialists, fostering technical excellence and collaborative delivery. Qualifications Bachelor’s degree in Systems, Electrical, Mechanical, or related Engineering discipline from an accredited university. Registered as an Engineer‑in‑Training (EIT) or licensed P.Eng. in Canada. INCOSE Certification such as ASEP or CSEP would be an asset. 8+ years of experience in transit, rail, or other safety‑critical engineering environments. Strong command of Systems Engineering principles, including V‑model lifecycle, interface definition, and integration planning. Hands‑on experience with systems integration for complex rail or transit projects. Working knowledge of ISO/IEC 15288, IEEE 1220, RAMS, and system safety certification processes. Experience supporting Verification & Validation (V&V) activities (FAT, SAT, SIT, test planning). Knowledge of CENELEC standards and Metrolinx Schedule 29 is an asset. Familiarity with Requirements Management and Integration using tools like IBM DOORS. Ability to communicate complex technical topics clearly to both technical and non‑technical stakeholders. Compensation AB, BC, NT, NU, SK & YT: $135,200 – $179,100MB & ON: $123,300 – $169,800NB, NL, NS, PE & QC: $122,100 – $162,200 Disclosure The final salary awarded for this role may vary from the above range based on several factors including, but not limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs. The wage range provided in this job posting may be subject to change for business purposes. Health and Safety Health and safety is a core paramount value of WSP. Given the importance of keeping one another safe it is expected that you comply with our Health, Safety & Environment (HSE) policy at all times as well as client HSE policies when working at client locations. Full details here. Some safety‑sensitive positions involve fieldwork and may include work in a variety of environmental conditions, such as remote or isolated areas, working alone, and in inclement weather (within safe and reasonable limits). Equal Employment Opportunity & Accessibility WSP welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process. WSP is committed to the principles of employment equity. Only the candidates selected will be contacted. Application Policy WSP does not accept unsolicited resumes from agencies. Full details here. #J-18808-Ljbffr