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Systra Group

Engineering and consultancy for public transport

Mechanical Lead - Professional Engineer

Building Services EngineeringUpdated on Nov 11
Full-timeToronto, ON, CanadaNo salary listed

About the Job

Requirements

  • A Bachelor's degree in Mechanical Engineering from an accredited program is required.
  • A Professional Engineer (P.Eng.) license with Professional Engineers Ontario is required.
  • Seven to ten years of building mechanical design and coordination experience in a consulting environment, including discipline-lead responsibility.
  • Experience designing HVAC, plumbing, and drainage systems, including HVAC for equipment-intensive spaces such as electrical rooms, substations, or E-houses, and roof or canopy drainage.
  • Strong working knowledge of the Ontario Building Code, including Part 7 Plumbing, ASHRAE, NFPA including NFPA 130, CSA, SMACNA, and applicable municipal and transit agency standards.
  • Experience preparing Basis of Design documents, calculations, specifications, equipment schedules, and drawings.
  • Experience reviewing vendor submittals for packaged enclosures and directing Revit MEP modelers.

Responsibilities

  • Lead the mechanical design for 17 LRT stops and 9 traction power substation (TPSS) sites as engineer of record.
  • Integrate the design with architectural, structural, electrical, civil, and rail systems disciplines.
  • Establish the mechanical design criteria and Basis of Design.
  • Design canopy roof drainage, including gutters, rainwater leaders, overflow, and freeze protection.
  • Define connection points, inverts, and pipe sizes for handoff to the civil drainage team.
  • Perform equipment heat gain, heating, and ventilation calculations.
  • Design HVAC, battery room ventilation where required, plumbing, and enclosure drainage.
  • Define fire protection interfaces and control and alarm points for SCADA and building systems.
  • Coordinate equipment layouts, louvres, penetrations, and maintenance clearances within constrained site footprints.
  • Specify and review packaged enclosure mechanical systems and vendor submittals.
  • Direct and check the MEP Modeler's work.
  • Prepare drawings, specifications, calculations, and technical memoranda for each design stage.
  • Participate in interface coordination, design reviews, and the project's risk and change processes.
  • Support later design stages and construction-phase activities as scoped.
  • Produce the Plumbing and Fire Fighting Design Brief and mechanical technical specifications.
  • Prepare plumbing and fire fighting calculations across stops.
  • Define platform drains, slab penetrations, sleeves, and pipe routing.
  • Issue the schedule of locations, invert levels, and pipe sizes required by Civil & Utilities.
  • Define floor drainage, sumps, water piping, and drainage piping across sites.
  • Review plumbing plans, fire fighting plans, piping sections, and details prepared by the Mechanical Modeller.
  • Coordinate the handover point with the Civil Engineer (Grading and Drainage) where mechanical drainage connects to the civil storm network.

Desired Qualifications

  • Experience with traction power substations or LRT/transit stops and stations is a strong asset.
  • LEED AP or ASHRAE certifications are considered assets.

About the Company

Systra Group

Engineering and consultancy for public transport

Systra is a global engineering and consultancy group that designs, builds, and maintains public transport and mobility infrastructure. Its work spans the entire project lifecycle, starting in the early design phase and continuing through deployment and testing to ongoing maintenance. The company operates in more than 80 countries with about 11,000 employees, focusing especially on mass transit and rail, bridges, and broader transport solutions. It differentiates itself through its scale, international reach, and end-to-end involvement in projects, supported by a strong track record and industry rankings. The goal is to connect people and regions by making travel more fluid and accessible, thereby supporting social inclusion, employment, education, and leisure for communities worldwide.

Company size
10,001+
Company stage
Not listed
Total funding
Not listed
Headquarters
Paris, France
Founded
1957

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