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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. Ensure estimates comply with contract documents, company policies, and industry standards. 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. 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. Able to work under pressure, manage competing priorities, and deliver high-quality work on tight deadlines.

The actual base salary will depend on several factors including experience, qualifications, internal equity, work location and market expectations. Annual performance-based bonus. Retirement savings program.

Artificial

Intelligence (AI) Disclosure:



AI tools are not used in the screening or assessment of applicants for this position. GIP”, is an equal opportunity employer and encourages women, Indigenous peoples, persons with disabilities and members of visible minorities to apply. 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. Our most valuable asset is our people – comprising our employees, customers, and the public. GIP team members are at the heart of our success in designing and delivering infrastructure projects safely, thoughtfully, and with the highest quality.

It impacts our schools and neighbourhoods, shaping our communities and 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. 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.

We focus on recycling and reusing materials by repurposing old roads and reengineering them into current 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.

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