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.
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.
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.
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.
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