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.

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.

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, micro tunnelling, 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.

Pay: $92,000.00-$110,000.00 per year

Benefits

- Company events

- On-site parking

- Paid time off

- RRSP match

Work Location: In person

📌 Estimator (Mississauga)
🏢 STRABAG
📍 Mississauga