Senior Estimator

Job summary

Develop and refine auditable cost estimates for complex industrial, mining, oil and gas, and power generation projects, including capital, operating, owner, and construction costs. Assess scope changes, claims, delays, risks, and material requirements; collaborate with project stakeholders; identify cost-effective alternatives; and mentor junior estimators.

Job details

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 in our Laval office 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 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. 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. 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. 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 .

What you’ll do

Develop and refine auditable cost estimates for complex industrial, mining, oil and gas, and power generation projects, including capital, operating, owner, and construction costs. Assess scope changes, claims, delays, risks, and material requirements; collaborate with project stakeholders; identify cost-effective alternatives; and mentor junior estimators.

Requirements

Requires extensive estimating experience on complex capital projects and advanced capability in developing and documenting CAPEX, OPEX, owner-cost, and construction estimates. Candidates should have strong analytical and Excel skills, experience reviewing engineering and contract information, professional fluency in English and French, and the ability to manage deadlines, influence stakeholders, communicate cost information, and mentor others.

Listed skills

• Change Management · Preferred
• Microsoft Excel · Preferred
• Microsoft Office · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Project Estimating
• Capital Expenditure Estimating
• Operating Expenditure Estimating
• Owner-Cost Estimating
• Construction Estimating
• Cost Analysis
• Microsoft Excel
• Microsoft Office
• Engineering Data Review
• Scope and Specification Review
• Change Management
• Contractor Claims Assessment
• Benchmarking
• Risk Assessment
• Stakeholder Communication
• Estimator Mentoring

Job areas

• Engineering
• Construction
• Energy
• Finance & Accounting
• Management & Leadership

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