Tasks Essential Duties And

Responsibilities:
• Prepare detailed, resource-loaded cost estimates, bid proposals, and Bill of Quantities (BOQs) for tunneling and trenchless construction projects.
• Review tender documents, drawings, specifications, and contract requirements to identify scope, risks, and pricing strategies.
• Perform quantity take-offs and develop production-based cost models for TBM tunneling and micro tunnelling/pipe jacking operations.
• Solicit, evaluate, and compare subcontractor and supplier quotations, including tunnel lining segments, RCJP systems, and specialized tunneling materials.
• Prepare material take-offs and cost estimates for consumables such as grout, bentonite, polymers, lubricants, and other project-specific materials.
• Analyze geotechnical reports and develop risk registers and contingency pricing for ground-related risks and construction challenges.
• Coordinate with engineering, procurement, operations, and project controls teams to support competitive and compliant tender submissions.
• Maintain estimating databases, cost histories, and pricing benchmarks. Qualifications

JOB DESCRIPTION
Job Title: Estimator Department: Technical Office/ Head Office Mississauga Reports to: Technical Manager Status: Full Time Position Start Date: ASAP Job Summary: The Estimator will be responsible for all quality, technical, cost, schedule, and contractual matters by supporting awarded projects and in the preparation of Pre-Qualifications and Tenders in connection with the Business Development Team.



Main Functional Links: Technical Director, Technical Office Manager, Estimator, Cost Controller, Project Managers, Office and Site Engineers Knowledge And

Skills:
• Strong knowledge of heavy civil construction estimating principles and practices.
• Understanding of EPB, Slurry, and Open-Face TBM operations, segmental tunnel lining systems, and micro tunnelling/pipe jacking methodologies.
• Knowledge of Reinforced Concrete Jacking Pipe (RCJP) installation, handling, and associated construction requirements.
• Ability to interpret Geotechnical Data Reports (GDRs), Geotechnical Baseline Reports (GBRs), drawings, specifications, and contract documents.
• Proficiency in estimating software and Microsoft Office applications, particularly Excel.
• Strong analytical, organizational, problem-solving, communication, and time-management skills.
• Ability to work effectively in a cooperative, deadline-driven environment.

Qualifications:
• Bachelor's Degree in Civil Engineering or a related discipline.
• Minimum 5-8 years of heavy civil estimating experience, including at least 3 years dedicated to TBM tunneling, microtunnelling, or pipe jacking projects.
• Experience preparing estimates and bid submissions for major underground infrastructure projects.
• Familiarity with AutoCAD, Primavera P6, Arriba, Revit, Tilos, or similar construction software is considered an asset.
• Valid Ontario Class G Driver's Licence and eligibility to work in Canada.

📌 Estimator (Mississauga)
🏢 Strabag
📍 Mississauga