Lead Mechanical Cost Consultant, Buildings

Job Description

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.

Job Description

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

Bring clarity and confidence to complex project decisions as a Lead Mechanical Cost Consultant based in North York, ON . You will develop reliable cost estimates and plans for plumbing, HVAC, fire control, controls, and specialty systems, helping clients and multidisciplinary teams make informed choices from early design through construction.

Your Impact

• Prepare detailed construction cost estimates and cost plans for mechanical systems, including plumbing, HVAC, fire control, controls, and specialty systems.
• Develop Class D, C, B, and A estimates using conceptual information, design drawings, specifications, quantity take-offs, and market intelligence.
• Analyze drawings, tender documents, construction methodologies, and pricing inputs to identify scope, risks, opportunities, and key cost drivers.
• Validate subcontractor, supplier, vendor, and historical cost data to strengthen estimate quality and commercial confidence.
• Support feasibility studies, budget development, value engineering, design-to-budget initiatives, and cost reconciliation across design stages.
• Review contractor bids, change order pricing, cost audits, and commercial evaluations, providing clear analysis and recommendations.
• Collaborate with architects, engineers, project managers, and clients to deliver concise cost reports and presentations that support decisions.
• Mentor junior estimators and improve estimating tools, benchmarks, databases, and procedures to advance team capability.

The Skills That Set You Apart

• Demonstrable lead experience in mechanical construction estimating, quantity surveying, or cost consulting.
• A degree, diploma, or technical certification in Mechanical Engineering, Mechanical Technology, Construction Management, Quantity Surveying, or a related discipline.
• Experience estimating building, institutional, commercial, healthcare, transportation, industrial, or infrastructure projects.
• Strong knowledge of mechanical construction methods, materials, labour productivity, market pricing, and cost planning practices.
• Proficiency with estimating software and Microsoft Office applications; experience with CostX is an asset.
• Ability to interpret design drawings, specifications, tender documents, and contract requirements and translate them into defensible estimates.
• Professional designation such as PQS, CEC, MRICS, or an equivalent credential.
• Clear technical writing, analytical, presentation, and client-facing communication skills developed in a consulting, engineering, quantity surveying, or owner-side environment.

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

AB, BC, NT, NU, SK & YT: $122,900 - 162,800

MB & ON: $112,100 - 154,400

NB, NL, NS, PE & QC: $111,000 - 147,400

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.

Ready to Shape What Comes Next?

Apply your mechanical estimating expertise to work that gives clients confidence, strengthens project outcomes, and helps communities move forward. Join WSP and make your mark on the decisions that shape the built environment.

About Us

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.

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 .