Senior Estimator

Come help build the future, where our work makes the world work! Excited to grow your career? At GIP, we are dedicated to empowering our people to reach new heights. We champion growth, prioritize internal opportunities, and invest in our people who are at the heart of our success. If you’re ready to step up, stretch your skills, and make an even bigger impact, this is your moment.Senior Estimator Toronto, Ontario

SUMMARY GIP is seeking an experienced Senior Estimator to lead and oversee the preparation of cost estimates for large-scale heavy civil infrastructure projects, including highways, bridges, tunnels, rail, and other public works. The Senior Estimator will work collaboratively with our pursuit team, operations, engineering, and procurement teams to deliver accurate, competitive, and timely estimates that support strategic business goals.

• Lead the estimating process from bid review to final submission for complex heavy civil projects ranging from $30M to $1B+.
• Develop and maintain unit cost databases, historical pricing, and production rates.
• Coordinate with engineering, operations, and procurement to identify project risks, construction methods, and value engineering opportunities.
• Perform detailed quantity takeoffs and cost analysis for earthworks, concrete, utilities, structures, and other civil scopes.
• Review and analyze subcontractor and supplier quotes, ensuring scope coverage and cost competitiveness.
• Participate in bid reviews and presentations to senior leadership and clients.
• Support business development by providing preliminary budgets, concept-level estimates, and cost models during proposal and planning phases.
• Ensure estimates comply with contract documents, company policies, and industry standards.
• Stay current with market trends, pricing fluctuations, and labor and equipment productivity.
• Interpret and apply OPSS and OPSD standards for MTO civil works, with an understanding of related quality control and assurance requirements.

• Degree in civil engineering or related discipline from a recognized post-secondary institution, or equivalent experience.
• Minimum 7-10 years of civil infrastructure experience, including at least 3 years in a dedicated civil estimating role.
• Demonstrated experience working on and/or estimating MTO projects, with strong working knowledge of OPSS and OPSD standards.
• Demonstrated expertise in first principles estimating and preparing detailed Class 1 estimates.
• Experience estimating within design-build delivery models is an asset.
• Proven ability to estimate from incomplete design packages and develop corresponding risk and contingency strategies.
• Familiarity with AACE Recommended Practices and industry cost estimating standards.
• Proficiency in industry estimating software such as InEight, HeavyBid, or similar tools.
• Sound understanding of structural procurement processes, including RFQ issuance, bid evaluation, and subcontractor/supplier engagement.
• Experience identifying and evaluating construction risks associated with large-span bridges and calculating contingency values.
• In-depth knowledge of Ontario’s infrastructure market conditions and their influence on project costing.
• Excellent verbal and written communication skills.
• Strong organizational and analytical abilities, with a collaborative mindset.
• Able to work under pressure, manage competing priorities, and deliver high-quality work on tight deadlines.

• Expected Base Salary: $150,000 - $170,000 per year. The actual base salary will depend on several factors including experience, qualifications, internal equity, work location and market expectations.
• Annual performance-based bonus.
• Comprehensive group benefits program.
• Retirement savings program.
• Career growth and advancement opportunities.

Artificial Intelligence (AI) Disclosure: AI tools are not used in the screening or assessment of applicants for this position.

Vacancy Status: This posting is for an existing job vacancy.

Green Infrastructure Partners Inc. “GIP”, is an equal opportunity employer and encourages women, Indigenous peoples, persons with disabilities and members of visible minorities to apply.

We seek to hire individuals with diverse characteristics, backgrounds and perspectives.

We believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.

GIP will provide accommodations to job applicants with disabilities throughout the recruitment process.

If you require an accommodation, please notify us and we will work with you to meet your needs.

Our people At Green Infrastructure Partners (GIP), our people are among the best. Our most valuable asset is our people – comprising our employees, customers, and the public. Nothing is more important than our people coming to work happy and leaving safely. GIP team members are at the heart of our success in designing and delivering infrastructure projects safely, thoughtfully, and with the highest quality.

The work we do impacts lives. It impacts our schools and neighbourhoods, shaping our communities and cities. We are one of Canada’s largest and fastest-growing construction companies. Every day, our people design, deliver, and maintain infrastructure for Canada’s rapidly growing cities. From demolition, shoring, and foundations to excavation, remediation, structures, paving, and the production of materials, we have the unique ability to self-perform all project scopes without reliance on subcontractors. The work we do at GIP today will carry us into a better, greener, and safer tomorrow.

We are committed to fostering a work environment that embraces Diversity, Equity, Inclusion and Belonging for all so our people benefit from the creative solutions that come from embracing differences. Sustainability is part of our DNA. We focus on recycling and reusing materials by repurposing old roads and reengineering them into new ones, thereby keeping tons of used materials out of our landfills. As we look to the future, we need creative, ambitious, and innovative professionals who can help us to build the world of tomorrow, today. If you want to work for a world-class organization that provides an exceptional career experience with an inclusive and collaborative culture, this opportunity is for you!