Senior Traction Power Supply (TPS) Engineer
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- Toronto, ON
- $140,000-160,000 per year
- Permanent
- Full-time
- Develop traction power supply and distribution concepts and basis-of-design documents (system voltage, feeding philosophy, substation spacing, redundancy, return circuit, negative bonding, and operational switching).
- Perform and/or review power system studies: traction load flow, voltage drop, short-circuit and ground-fault analysis, power quality/harmonics, power factor, and protection coordination/selectivity.
- Design traction power substations, paralleling/switching stations, sectioning and paralleling arrangements, feeder cables, return/negative circuits, and associated interfaces to utility supply.
- Develop earthing/grounding, bonding, and stray current control designs; carry out step-and-touch potential calculations and soil resistivity interpretation; coordinate mitigation measures with civil/track/structures.
- Produce deliverables including single line diagrams, schematics, wiring diagrams, cable schedules, equipment layouts, routing plans, bills of materials/quantities, and technical specifications.
- Define functional requirements for remote power control and traction power SCADA (RTUs/PLCs, I/O lists, communications, alarm philosophy); support factory/site acceptance testing and commissioning.
- Coordinate multidisciplinary interfaces (OCS/third rail, track, signaling, telecom, stations, structures, fire/life safety, and systems integration) and resolve technical conflicts and constructability issues.
- Provide technical assurance: independent checking of calculations and drawings, compliance with client/authority standards and applicable codes, and participation in design reviews and hazard/risk workshops.
- Support construction through responses to RFIs, review of shop drawings, site inspections, punchlisting, and as-built documentation; investigate field issues and propose corrective actions.
- Contribute to proposals and bids: scope definition, assumptions/constraints, programme inputs, risk/opportunity identification, and technical writing.
- Bachelor's degree in Electrical Engineering (or equivalent); Master's degree is an asset.
- Professional Engineer (P.Eng.) eligibility/registration (as applicable to jurisdiction).
- Experience delivering traction power supply & distribution designs across project phases (typ. 5+ years for intermediate; 8-12+ for senior, depending on role level).
- Working knowledge of applicable electrical codes, standards (e.g., Canadian Electrical Code and local utility interconnection requirements).