Senior Estimator – Transit Infrastructure Lead

Ledcor Construction, Inc.; Oshawa; On-site; CAD 117,000 - 155,000; Full time

Job summary

Ledcor Construction, Inc. in Oshawa, Ontario is seeking a Senior Estimator to lead estimating activities for a major GO Transit infrastructure project.

You will coordinate comprehensive estimate packages, perform quantity takeoffs, and manage bid submissions with subcontractor procurement. The role requires a Bachelor's degree and 10+ years of estimating experience on large projects, including transit or infrastructure.

Qualifications

• Bachelor's degree in engineering, construction management, quantity surveying, or related field.
• Minimum 10 years of estimating/construction experience.
• Experience on large multidisciplinary projects; transit/infrastructure is a plus.
• Proven ability to lead estimates from conceptual design through tender.

Responsibilities

• Lead the preparation and coordination of comprehensive estimate packages, including quantity takeoffs, costing, subcontractor pricing, and bid submissions.
• Develop conceptual budgets, detailed estimates, cost studies, and competitive tenders for complex construction projects.
• Review drawings, specs, and bid documents to ensure all project requirements are captured in estimates.
• Analyze RFIs and identify bidding strategies for complex project requirements.
• Perform quantity takeoffs for large-scale projects and oversee the takeoff process.
• Lead subcontractor and supplier solicitation activities and evaluate submissions.
• Recommend subcontractors and suppliers based on scope, pricing, capability, and risk.
• Own estimate accuracy by reviewing and validating all direct/indirect costs.
• Assign and manage bid package responsibilities within the estimating team.
• Review construction schedules and execution strategies to align with estimates.
• Lead estimate review meetings and participate in bid strategy discussions.
• Prepare bid clarifications and support proposal development for major projects.
• Provide mentorship and technical expertise to junior estimators and cross-functional teams.
• Serve as SME on estimating-related requirements and best practices.

Skills

Leadership

Communication

Stakeholder management

Education

Bachelor's degree in Engineering, Construction Management, Quantity Surveying, or related field

Tools

Estimating software

Microsoft Office

BIM

Job description

Ledcor Construction, Inc. in Oshawa, Ontario is seeking a Senior Estimator to lead estimating activities for a major GO Transit infrastructure project.

You will coordinate comprehensive estimate packages, perform quantity takeoffs, and manage bid submissions with subcontractor procurement. The role requires a Bachelor's degree and 10+ years of estimating experience on large projects, including transit or infrastructure.