With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions. 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.

Lead the mechanical design of HVAC, heating/cooling plants, plumbing, and fire protection systems for recent 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.

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. A global community of brilliant minds – your next idea, mentor, or opportunity is always within reach. 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. NB, NL, NS, PE & QC: $94,100 – $124,900 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. Join a team where your expertise helps create smarter, more resilient places for communities to thrive.

At WSP, we exist to shape communities to advance humanity. It’s why we bring people together who are wired to solve complex challenges – engineers, scientists, advisors, and technical experts who are driven by a common passion – to redefine what’s possible and shape what comes next. As one of the world’s leading professional services firms, we partner with clients across transportation, infrastructure, environment, buildings, energy, water, mining and metals.

We pair deep local knowledge with global insights to pioneer solutions designed to leave a lasting, positive impact. At WSP, you’ll join a community of brilliant minds that push boundaries every day - applying deep expertise and fuelling innovation to help create a more connected and resilient future. Given the importance of keeping one another safe it is expected that you comply with our Health, Safety & Environment (HSE) policy at all times as well as client HSE policies when working at client locations.

Some safety-sensitive positions involve fieldwork and may include work in a variety of environmental conditions, such as remote or isolated areas, working alone, and in inclement weather (within safe and reasonable limits). 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.

📌 Mechanical Engineer - Staff Engineer (Markham)
🏢 WSP in Canada
📍 Markham