Senior Estimator

Location: Etobicoke, Ontario - Hybrid (4 days/week in office)

Department: Construction Office, GTA Multi-Storey

Employment Type: Full-Time

Reports to: Director of Estimating

When it comes to forward-thinking homebuilding and thoughtfully planned communities, Canadians think of Mattamy Homes. And that success is centred on a foundation of great people, because our team is as solid as they come. At Mattamy, we are optimistic, hardworking and supportive. Together we learn and grow as we strive to create a positive impact in the homebuilding industry. Contributing to the Mattamy Way means being surrounded by caring people who encourage you to be exactly who you are.

It means your opinion is invited and your contributions count. And it means a career filled with pride, knowing you’re part of an environmentally-conscious, action-oriented organization with big plans for the future. The opportunity to bring the future of living to homeowners based on what Canadians value is exciting – and we’re making it happen.

Learn more about what makes working at Mattamy special and our award-winning culture.

As a Senior Estimator with GTA Multi-Storey, you will help shape complex mid-rise and high-rise communities from early planning through construction. In this role, you will lead construction cost planning, budget management, and cost-control support while partnering closely with construction, development, design, procurement, and finance teams. Your insights will help the team make informed decisions that balance quality, cost efficiency, and long-term project success.

This is an opportunity to bring your estimating expertise to high-profile urban projects while growing with one of the largest and most reputable companies in new home construction. If you are collaborative, analytical, solutions-focused, and motivated by work that has a visible impact, the sky is the limit.

• Lead the development and management of construction budgets for multi-million dollar mid-rise and high-rise projects.
• Review construction design documents and perform detailed quantity take-offs across multiple trade disciplines for construction budgeting.
• Upload and maintain construction budgets in the JDE system, ensuring accuracy, completeness, and alignment with project requirements.
• Lead cost-benefit analysis on Mattamy's strategic and sustainability initiatives and provide recommendations to support decision-making.
• Lead and support zero-based budgeting exercises to build, validate, and refine project budgets from the ground up.
• Evaluate the cost implications of emerging construction methods, including modular approaches, where applicable.
• Drive value engineering opportunities to achieve cost efficiency in collaboration with cross-functional project teams.
• Monitor industry best practices, market trends, emerging processes, and technologies, and share relevant insights internally.
• Support the development of standard project finishes, features, and upgrade programs, providing cost guidance and recommendations.
• Maintain and continuously improve the internal cost database to support accurate budgeting and benchmarking.
• Lead budget reviews during the construction stage, identifying risks, variances, and opportunities for cost management.
• Review and assess trade extras related to post-tender design changes, providing recommendations on cost impact and validity.
• Provide guidance and support to junior estimating team members as needed.
• Other duties as required.

• 5+ years of progressive experience as a construction estimator, ideally with mid-rise and/or high-rise residential projects.
• Post-secondary degree(s) and/or certificate(s) in architecture, engineering, construction and/or project management.
• Strong ability to perform quantity take-offs across all trade disciplines using computer software.
• Strong numeracy, analytical, and problem-solving capabilities, with the ability to interpret complex construction drawings and cost information.
• Excellent written and verbal communication skills, with the ability to influence and provide recommendations to cross-functional stakeholders.
• Computer literacy, with strong knowledge of…