Senior Estimator

WSP Global Inc.; Montreal; Hybrid; CAD 111,000 - 147,000; Full time

Job summary

WSP is seeking a bilingual Senior Estimator to join the national Energy, Resources and Industry Project Controls team. Based in Canada, you will work on complex industrial, mining, oil and gas, and power projects from feasibility through construction.

You will develop CAPEX, OPEX, and owner-cost estimates with auditable bases, mentor junior estimators, and collaborate with clients and contractors to resolve scope changes, claims, and risk, driving cost certainty and value for projects.

Qualifications

• Extensive estimating experience on complex industrial, mining, oil & gas, power projects.
• Ability to develop CAPEX, OPEX, owner-cost, and construction estimates with auditable bases.
• Strong analytical skills with advanced Excel and Office applications.
• Fluency in English and French for collaboration with clients and partners.

Responsibilities

• Lead development and refinement of estimating models for cost certainty.
• Deliver detailed CAPEX, OPEX, owner-cost, and construction estimates with auditable bases.
• Assess scope changes, contractor claims, delays, risks, and material needs; provide timely recommendations.
• Collaborate with clients, contractors, and engineering teams to resolve estimate assumptions and changes.
• Drive value through design reviews, benchmarking, and cost-effective alternatives.
• Mentor junior estimators and share tools and methods.

Skills

Advanced Excel

CAPEX estimation

Estimating experience

English-French fluency

Stakeholder influence

Tools

ACCE (K-Base)

InEight/Hard Dollar

Job description

What if you could redefine what's possible?

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

Innovate and Lead

In this role, you'll be at the forefront of innovation, collaborating on transformative projects that push the boundaries of what's possible. If you're looking for a challenge that offers both career growth and the chance to make an impact, this is the opportunity for you.

Based out of any of our listed offices across Canada, and reporting to the Estimating Manager, you will support WSP's national Energy, Resources and Industry Project Controls team as a bilingual Senior Estimator. You will bring strategic cost insight to complex industrial, mining, oil and gas, and power generation projects—from conceptual and feasibility studies through detailed engineering, procurement, construction management, commissioning, closure, and decommissioning within an engineering, procurement and construction management environment.

YOUR IMPACT

• Lead the development and refinement of estimating models that strengthen cost certainty and informed decision-making across complex projects.
• Deliver detailed capital expenditure, operating expenditure, owner-cost, and construction estimates supported by clear, auditable bases of estimate.
• Assess scope changes, contractor claims, delays, risks, and material requirements to provide timely recommendations and protect project outcomes.
• Collaborate with clients, contractors, engineering teams, and project stakeholders to resolve estimate assumptions, contract changes, and claims.
• Drive value through design and specification reviews, benchmarking, and practical alternatives that improve cost-effectiveness without compromising quality.
• Strengthen estimating capability by mentoring junior estimators and sharing consistent tools, methods, and professional judgement.

THE SKILLS THAT SET YOU APART

• Extensive project estimating experience on complex industrial, mining, oil and gas, power generation, or comparable capital projects.
• Advanced ability to develop CAPEX, OPEX, owner-cost, and construction estimates and document assumptions, exclusions, risk factors, and estimate methodology.
• Strong analytical and quantitative capability, including advanced Microsoft Excel proficiency and practical use of Microsoft Office and Outlook.
• Experience reviewing engineering data, scopes, specifications, change requests, contractor claims, and benchmark information for completeness and cost impact.
• Knowledge of ACCE (K-Base) and/or InEight Estimate (Hard Dollar) is an asset.
• Professional fluency in English and French, supporting frequent collaboration with clients and partners in Quebec and outside the province.
• Ability to manage competing priorities, tight deadlines, ambiguity, and evolving scopes while maintaining accurate, high-quality deliverables.
• Demonstrated ability to influence stakeholders, support negotiations, communicate complex cost information clearly, and mentor developing estimators.

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'll 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 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.

Turn cost intelligence into project confidence

Bring clarity to complex investments by shaping estimates that guide better decisions, strengthen delivery, and create lasting value for clients.

Make every estimate count.

#LI-Hybrid

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 (https://www.wsp.com/en-ca/corporate/ca/health-safety) .

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 (https://www.wsp.com/en-ca/careers/notice-to-staffing-agencies) .