Career Opportunities

Senior Mechanical Engineer - Buildings

Reference #: 5420
City: Markham
Region: Ontario
Secondary Location:
Job Type: Permanent - Full Time
Business Line: Buildings



WSP is one of the world's leading professional engineering services firms. Every day our more than 37,000 experts work to restore the natural environment and transform the built environment. 

In Canada, our 8000+ people are involved in everything from environmental remediation to urban planning, from engineering iconic buildings to designing sustainable transport networks, from finding new ways to extract essential resources to developing renewable power sources for the future.

The excellence we bring to our work and to our workplace has been recognized far and wide. We’re a Forbes Top Employer in Canada, one of the Top 100 Sustainable Companies in the World (and among the Top 10 in Canada), and we earned Platinum Elite Recognition through our participation in more than half of Canada’s Top 100 Infrastructure Projects.

At WSP, we’re proud, professional and passionate people. Join us. 


WSP is currently seeking a Senior Mechanical Engineer to join our Buildings - Mechanical and Electrical team, located at our Markham office.


  • Participate in the design of plans, preliminary estimations and details for transportation, commercial, and light industrial buildings;
  • Design of various building systems including but not limited to piping, plumbing, hydronic heating, air conditioning, ventilation, cooling systems, natural gas, Fire Protection and Building Automation Systems;
  • Preparation of drawings and specifications, design calculations, Professional signing/sealing;
  • Help prepare reports, proposals, bid submissions, budgets, project plans and other supporting documentation as required; and
  • Other duties as assigned.


  • Bachelor degree in Mechanical Engineering;
  • 8-12 years of experience designing mechanical systems including but not limited to piping, plumbing, hydronic heating, air conditioning, ventilation, cooling systems, natural gas, Fire Protection, and Building Automation Systems;
  • Registered as a Professional Engineer in Ontario;
  • Specific systems experience in: chillers and cooling plants, boilers and heating plants, humidification and dehumidification systems, air handlers, energy recovery, fire protection, plumbing systems;
  • Demonstrated knowledge of Ontario Building Code, Plumbing Code, ASHRAE (ASHRAE 90.1, 62), ASPE, CSA, ASME standards;
  • Strong knowledge of mechanical systems, specializing in transportation, commercial and institutional projects including: HVAC reconfigurations; heat loss/gain calculations; hydronic piping design; plumbing and drainage design; sprinkler and standpipe systems; variable refrigerant flow (VRF), lab ventilation systems.
  • Must be able to complete the majority of project work independently, with coordination and resources from other offices. Must be able to stamp project work for permit applications;
  • Knowledge and proven experience with LEED ® is considered an asset;
  • Knowledge and proven experience with BIM Revit is considered an asset;
  • Ability to work in a fast paced and independent environment;
  • Team player and ability to work independently;
  • Excellent written and verbal communication skills.

Offers of employment for safety-sensitive positions involving fieldwork are contingent upon candidates being able to perform key physical tasks of the job as described in the job posting and interview.  This may include the ability to work in a variety of environmental conditions, such as remote or isolated areas, working alone, and in inclement weather (within safe and reasonable limits).

To learn more about our firm and the projects we have been involved in, please visit our  World of Possibilities microsite.

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.

WSP Canada Inc.


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