Senior Mechanical Engineer - Buildings Projects

What if you could redefine what's possible? With us, you can.
With us, you can. You want Purpose. Growth. Opportunity. People who get it.
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.
The Opportunity
Build the Future with Us

As a Senior Mechanical Engineer, you will apply your expertise across the full project lifecycle - from conceptual design through to completion - on a diverse portfolio of commercial, residential, retail, and institutional building projects. You will play a key role in delivering technically excellent, cost-effective designs while mentoring team members and building strong client relationships.

You'll be part of WSP's Electrical & Mechanical team, known for delivering healthcare, educational, commercial, residential, recreational, and light industrial facilities, with a strong focus on large, complex projects, sustainable developments, and Alternate Delivery methods including Public-Private Partnerships (P3).
Your Impact

• Lead mechanical building design projects from concept through construction, delivering high-quality engineering solutions
• Apply professional engineering judgement to ensure technical excellence, constructability, and cost effectiveness
• Design and coordinate HVAC, plumbing, fire protection, and fuel systems for complex building projects
• Ensure designs comply with National, Provincial, and Municipal codes and standards
• Research and implement innovative and sustainable mechanical design solutions aligned with client objectives
• Manage select projects including budgets, schedules, and milestone deliverables
• Collaborate with clients, stakeholders, and internal teams through meetings, proposals, and business development efforts
• Mentor and peer-review the work of junior engineers and designers to support team growth and quality outcomes

The Skills That Set You Apart

• Degree in Mechanical Engineering from an accredited institution or equivalent
• Professional Engineer (P.Eng.) licensed in Ontario
• 10+ years of experience in a mechanical consulting engineering environment
• Strong working knowledge of Canadian building codes and standards
• Proficiency with AutoCAD, Carrier HAP or Trane TRACE, and Microsoft Office
• Experience using MEP Revit is highly desirable
• LEED accreditation and sustainable design experience are considered strong assets
• PMP designation or willingness to pursue is an asset
• Ability to obtain and maintain a Secret level security clearance

Why Choose WSP?
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

Compensation

BC, AB, SK, NWT & NT: $104,100 - $138,000
MB & ON: $95,000 - $130,800
Atlantic Provinces & QC: $88,500 - $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.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. We are Visioneers.

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. Here, your ideas are valued, your growth is supported, and you are encouraged to bring your authentic self to work. We empower our people to collaborate across disciplines, challenge the status quo, and shape a career with purpose.

Join us.

Please Note:

Health and Safety is a core paramount value of WSP. 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. Full details here .

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. Only the candidates selected will be contacted.

WSP does not accept unsolicited resumes from agencies. Full details here .