Estimator, Infrastructure

Ledcor; Clarington; On-site; CAD 90,000 - 121,000; Full time

Job summary

Ledcor in Oshawa, Ontario seeks an experienced Estimator to prepare accurate estimates for GO Transit infrastructure projects. You will report to the Senior Estimator and play a key role in developing competitive bids and collaborating with operations, procurement, and project teams.

The role requires a Bachelor’s degree in engineering or related fields, 5+ years of estimating experience, and strong analytical, communication, and BIM awareness.

Qualifications

• Bachelor’s degree or higher in a related field.
• Minimum 5 years of estimating experience in construction.
• Experience with large, complex construction or transit projects.
• Proven ability to manage multiple tenders and deadlines.
• Experience supporting competitive bid submissions and procurement.

Responsibilities

• Prepare estimating packages including quantity takeoffs, cost studies, budgets, subcontractor pricing, and bid comparisons.
• Review drawings, specifications, contracts, and tender docs to ensure all requirements are included.
• Coordinate RFIs and support resolution of estimating questions.
• Perform quantity takeoffs for large, complex projects.
• Lead subcontractor and supplier solicitation and maintain industry relationships.
• Review and compare quotations to support procurement and bid strategies.
• Develop detailed project estimates including direct and indirect costs.
• Assign and manage bid package responsibilities.
• Develop schedules and execution plans with operations teams.
• Evaluate constructability, risks, and opportunities in estimating.
• Participate in and lead estimate reviews.
• Prepare bid clarifications and support tender submissions.
• Provide estimating guidance to stakeholders.
• Identify and mitigate contractual risks.
• Perform other duties as assigned.

Skills

Estimating

Budgeting

Bid management

Contract risk

Communication

Mentoring

Analytical thinking

Stakeholder management

Problem solving

Education

Bachelor's Degree in Engineering

Construction Management

Quantity Surveying

Related field

Tools

Microsoft Office

Estimating software

Job description

Over the last 30 years in Ontario, Ledcor has continued to grow and evolve and is now a leading provider of construction services across the province. From our early days building infrastructure and developing communities, to our more recent work in the heavy civil and mining, residential, and aviation sectors, we have always been driven by our commitment to safety, quality, integrity, sustainability, and success.

We are seeking a skilled Estimator to join our team in Oshawa, Ontario, supporting a major GO Transit infrastructure project. Reporting to the Senior Estimator, the successful candidate will play a key role in preparing accurate and competitive estimates for complex construction and infrastructure projects.

Essential Responsibilities :

• Prepare comprehensive estimating packages, including quantity takeoffs, cost studies, budgets, subcontractor pricing, and bid comparisons.
• Review project drawings, specifications, contract terms, and tender documentation to ensure all project requirements are incorporated into estimates.
• Review and coordinate RFIs prior to submission and support the resolution of estimating-related questions.
• Perform quantity takeoffs for large and complex construction projects and coordinate takeoff activities.
• Lead subcontractor and supplier solicitation efforts and maintain strong industry relationships.
• Review, analyze, and compare subcontractor and supplier quotations to support procurement and bid strategies.
• Develop detailed project estimates, including verification of direct and indirect costs.
• Assign and manage bid package responsibilities as required.
• Develop and analyze project schedules and execution plans in collaboration with operations teams.
• Evaluate constructability, project risks, and opportunities during the estimating process.
• Participate in and lead estimate review meetings.
• Prepare bid clarifications and support tender submissions.
• Provide estimating guidance and technical support to project stakeholders and team members.
• Assist with contractual risk identification and recommend mitigation strategies.
• Perform other duties as assigned.

Qualifications :

• Bachelor’s Degree in Engineering, Construction Management, Quantity Surveying, or a related field.
• Minimum 5 years of related estimating experience within the construction industry.
• Experience preparing estimates for large, complex construction, infrastructure, civil, transportation, or transit projects.
• Proven ability to manage multiple tenders and deadlines in a fast-paced environment.
• Experience supporting competitive bid submissions and subcontractor procurement activities.
• Strong proficiency with Microsoft Office Suite and industry-standard estimating software.
• Knowledge of BIM (Building Information Modeling) and model-based estimating is considered an asset.
• Thorough understanding of trade-related drawings, specifications, and construction documentation.
• Ability to assess construction documents for completeness and identify potential risks or gaps.
• Strong knowledge of construction costs, budgeting methodologies, and project scheduling.
• Experience identifying, negotiating, and mitigating contractual risks.
• Strong analytical and problem-solving skills with exceptional attention to detail.
• Excellent written and verbal communication skills.
• Ability to effectively communicate technical information to a variety of stakeholders.
• Demonstrated ability to mentor, coach, and collaborate with team members.
• Commercial awareness and a proactive approach to problem-solving.
• Strong relationship-building skills with clients, subcontractors, suppliers, and internal stakeholders.

Working Conditions :

• Site-based role in Oshawa, Ontario.

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Compensation

$90,450.00 - $120,600.00

This is the expected base pay range for this role. Individual base pay will be determined based on a variety of factors including experience, knowledge, skills, education and location.

Our competitive total rewards package provides compensation and benefits that support your physical, mental and financial wellbeing. We offer exciting, challenging work with opportunities to develop your skills and knowledge.

Additional Information

Ledcor builds and maintains infrastructure in various industries including oil and gas, transportation, and mining. We’re experts in all infrastructure construction and maintenance related projects. Our vast projects include: full-scale contract mining, earthworks, foundations, highways, bridges, roads, waterways and resources, airports, rapid transit, underground utilities, pipelines, independent power projects and site reclamation.

Our workplace culture has been recognized as one of Canada’s Best Diversity Employers, Canada’s Most Admired Corporate Cultures, and a Top 100 Inspiring Workplace in North America.

Employment Equity

At Ledcor we believe diversity, equity, and inclusion should be part of everything we do. We are proud to be an equal-opportunity employer. All qualified individuals, regardless of race, color, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, Veteran status or any other identifying characteristic are encouraged to apply.

Our True Blue team consists of individuals from all backgrounds who contribute diverse perspectives and experiences to Ledcor. We are committed to continuing to build on our culture of empowerment, inclusion and belonging.

Adjustments will be provided in all parts of our hiring process. Applicants need to make their needs known in advance by submitting a request via email. For more information about Ledcor’s Inclusion and Diversity initiatives, please visit our I&D page.