Senior Estimator

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

• 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.

• 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.

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• 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…