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We are the home of ambitious, passionate, and innovative world shapers.
With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions.
We are pathfinders and impact makers.
We are Visioneers.
We are WSP.
Build the Future with Us
Play a key role in shaping high‑performance, sustainable buildings across the GTA. As a Senior Mechanical Engineer within our Property & Buildings M&E team , you will lead complex HVAC and plumbing designs, influence multidisciplinary project outcomes, and mentor the next generation of engineers—while working on some of the most technically advanced facilities in Canada.
This role is based in Thornhill or Downtown Toronto .
- Lead the mechanical design of HVAC, heating/cooling plants, plumbing, and fire protection systems for new and retrofit projects.
- Deliver high‑quality technical reports, drawings, and specifications aligned with codes and client standards.
- Manage project scope, schedules, budgets, and deliverables to ensure successful outcomes.
- Provide technical leadership and mentorship to junior engineers and designers.
- Coordinate seamlessly with structural, electrical, architectural, and offshore design teams.
- Review and approve mechanical designs to ensure quality, constructability, and performance.
- Build trusted client relationships and contribute to business development initiatives.
- Bachelor’s degree in Mechanical Engineering with 10+ years of consulting experience in building systems design.
- Licensed Professional Engineer (PEO) in Ontario.
- Advanced expertise in HVAC, plumbing, and fire protection systems for complex facilities.
- Minimum 5 years’ experience delivering Data Centre or Science / Laboratory / Pharmaceutical projects in Canada.
- Proven ability to lead multidisciplinary mechanical design teams.
- Strong proficiency in Revit, IES, and HAP or equivalent mechanical design tools.
- Solid understanding of applicable codes, standards, and sustainable design principles (LEED an asset).
- Excellent communication skills and comfort collaborating with both local and offshore teams.
Why Choose WSP? We exist to shape communities to advance humanity. The brightest engineers, advisors and scientists from across the globe call WSP home.
- Proudly Canadian – we are a Top 100 Employer in Canada for 2026.
- A global community of brilliant minds – your next idea, mentor, or opportunity is always within reach.
- Limitless opportunities start here. Whether it’s across the country or around the globe, we help you tailor your role to match your ambition — because your growth drives ours.
- Flexible work, real balance – we recognize the importance of balance in our lives and encourage you to prioritize the balance in yours.
#WeAreWSP
AB, BC, NT, NU, SK & YT: $104,100 – $138,000
MB & ON: $95,000 – $130,800
NB, NL, NS, PE & QC: $94,100 – $124,900
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.
Join a team where your expertise helps create smarter, more resilient places for communities to thrive. Apply today and discover what’s possible—with WSP.
