Senior Mechanical Engineer - HVAC, Plumbing

SYSTRA Canada is part of the SYSTRA group, an international consulting and engineering group, a world leader in the design of transport infrastructures. SYSTRA Canada is an engineering and consulting firm whose primary focus is to offer transportation solutions, whether for passengers or goods: feasibility studies of building a new railway line, increasing the capacity of the existing infrastructure, privatization of a railway.

We are seeking a Mechanical Engineer (Plumbing and Drainage)to support the Stops & TPSS scope of an LRT project . The role is responsible for preparing the plumbing and fire fighting design brief, mechanical design brief, technical specifications, and discipline calculations across multiple stop locations.

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.

D esign canopy roof drainage, including gutters, rainwater leaders, overflow and freeze protection.

D efine the connection points, inverts and pipe sizes handed 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/building systems.

Coordinate equipment layouts, louvres, penetrations and maintenance clearances within constrained site footprints.

Specify and review packaged enclosure mechanical systems and vendor submittals.

Prepare drawings, specifications, calculations and technical memoranda for each design stage.

Take part 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 the 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.

Bachelor's degree in Mechanical Engineering from an accredited program.

licensed with Professional Engineers Ontario (PEO), required. LEED AP or ASHRAE certifications are considered assets.

7 to 10 years of building mechanical design and coordination in a consulting environment, including discipline-lead responsibility.

• Design of HVAC, plumbing and drainage systems, including HVAC for equipment-intensive spaces (electrical rooms, substations, E-houses or similar) and roof/canopy drainage.
• Strong working knowledge of the Ontario Building Code (OBC) including Part 7 Plumbing, ASHRAE, NFPA (incl. NFPA 130), CSA, SMACNA, and applicable municipal and transit agency standards.
• Reviewing vendor submittals for packaged enclosures and directing Revit MEP modelers.
• Experience with traction power substations or LRT/transit stops and stations is considered a strong asset.

We are an Equal Opportunity Employer that values applications from all and offers employment equity based on the merits and abilities of candidates and personnel.

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