Apply estimating expertise to tunneling and underground construction projects at Aversan Inc.’s Mississauga head office. Use Primavera P6 and MS Project in office full time.
This Estimator prepares detailed costs and bid proposals for heavy civil, infrastructure, tunneling, and underground projects. The work includes quantity take-offs, BOQs, production-based cost models, and tender submissions. You will review drawings, specifications, geotechnical reports, and contract requirements while coordinating with technical, business development, procurement, operations, and project controls teams.
Key Responsibilities: Prepare detailed estimates, bid proposals, and Bills of Quantities
Review tenders, drawings, specifications, and geotechnical reports
Develop labour, equipment, materials, and subcontractor cost models




Evaluate supplier quotations and support competitive bids
Maintain estimating databases and historical pricing benchmarks
Requirements: Bachelor’s degree in Civil Engineering or related discipline
Five to eight years’ heavy civil estimating experience
Three years’ experience in tunneling or underground construction
Primavera P6 experience and Microsoft Excel proficiency
Ontario Class G licence and Canadian work eligibility
Bring tunneling estimating, quantity take-off, geotechnical analysis, and Primavera P6 expertise to Aversan’s Mississauga team.

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📌 Tunneling Construction Estimator (Ontario)
🏢 Aversan
📍 Ontario