Senior Estimator

Scarborough Transit Connect; Toronto; On-site; CAD 150,000 - 170,000; Full time

Benefits offered by this job

Health and dental benefits

RRSP matching

Job summary

Scarborough Transit Connect is seeking a Senior Estimator to develop and update bottom-up estimates for the SSE-SRS package, aligning with project execution strategies and field conditions. You will review drawings and prepare quantity take-offs, continuously updating estimates as drawings and scope change.

You will lead large bids, analyze variances, and support commercial and cost-control activities across complex rail infrastructure projects in Toronto and the GTA.

Qualifications

• Diploma or Degree within Civil Construction or equivalent combination of training.
• 8+ years of Estimating and Operational experience within Major Project Estimating,
• Professional Engineer, or equivalent, designation preferred.
• Large infrastructure project and bid experience (rail, roads, bridges), with knowledge of the local supply chain, in Toronto and the GTA, for projects of $1000M+ value.
• Proven experience leading large bids involving multiple work types/disciplines.
• Expert in reading and understanding construction drawings and documents.
• Knowledge and experience of using Rail Method Of Measurement (RMM1) would be advantageous.
• Thorough knowledge of contract language/Terms and Conditions/Bonding, etc.
• Computer literate – working knowledge of MS Excel/Word/Project, and Hard Dollar or similar estimating software.
• Strong knowledge of project controls, including costs and scheduling and general requirements of construction projects.

Responsibilities

• Work collaboratively with Construction and IDD teams to develop and update bi-annual bottom-up estimates, ensuring alignment with current project execution strategies, scope, schedule, and field conditions.
• Review drawings, specifications, and engineering deliverables to prepare accurate quantity take-offs and estimate updates.
• Continuously update quantities and estimate assumptions based on the latest issued drawings, design revisions, and scope changes.
• Analyze estimate variances against approved budgets, forecasts, and actual project costs.
• Perform commercial and budget analysis for procurement packages by evaluating bid submissions, supplier quotations, market pricing, and proposed award values.
• Assist the Commercial Team in the preparation, review, and evaluation of variation estimates, change orders, and cost impacts resulting from scope changes.
• Support Cost Controllers in the preparation and evaluation of project trends, cost forecasts, and change management activities.
• Participate in estimate reconciliation exercises between forecasted and actual costs.
• Participate in project reviews, budget discussions, and cost alignment meetings.
• Provide estimate presentations and supporting analysis to project management and stakeholders.

Skills

Reading and understanding construction

Leading large bids

Project controls knowledge

Contract terms knowledge

Rail project estimating experience

Education

Civil Construction diploma/degree

Professional Engineer designation preferred

Tools

MS Excel/Word/Project

Hard Dollar or similar estimating software

Job description

Who We Are

Scarborough Transit Connect (STC) is a joint venture between Aecon and FCC Canada Ltd. that was selected by Metrolinx to deliver the Scarborough Subway Extension – Stations, Rail and Systems (SSE-SRS) package. The Scarborough Subway Extension will bring the TTC’s Line 2 subway service nearly eight kilometers farther into Scarborough. It will extend from Kennedy Station to Sheppard Avenue and McCowan Road, providing quick and seamless transit for those heading into and out of the downtown core and those travelling within Scarborough. The extension will replace Line 3 (the Scarborough RT), helping to reduce travel times and improve access to jobs, schools, and other key destinations throughout the city.

Date: Aug 7, 2026

Location: Scarborough, ON, CA

Operating Sector: Operations

Position Title: Senior Estimator

Who We Are

Scarborough Transit Connect (STC) is a joint venture between Aecon and FCC Canada Ltd. that was selected by Metrolinx to deliver the Scarborough Subway Extension – Stations, Rail and Systems (SSE-SRS) package. The Scarborough Subway Extension will bring the TTC’s Line 2 subway service nearly eight kilometers farther into Scarborough. It will extend from Kennedy Station to Sheppard Avenue and McCowan Road, providing quick and seamless transit for those heading into and out of the downtown core and those travelling within Scarborough. The extension will replace Line 3 (the Scarborough RT), helping to reduce travel times and improve access to jobs, schools, and other key destinations throughout the city.

What You Will Do

• Work collaboratively with Construction and IDD teams to develop and update bi-annual bottom-up estimates, ensuring alignment with current project execution strategies, scope, schedule, and field conditions.
• Review drawings, specifications, and engineering deliverables to prepare accurate quantity take-offs and estimate updates.
• Continuously update quantities and estimate assumptions based on the latest issued drawings, design revisions, and scope changes.
• Analyze estimate variances against approved budgets, forecasts, and actual project costs.
• Perform commercial and budget analysis for procurement packages by evaluating bid submissions, supplier quotations, market pricing, and proposed award values.
• Assist the Commercial Team in the preparation, review, and evaluation of variation estimates, change orders, and cost impacts resulting from scope changes.
• Support Cost Controllers in the preparation and evaluation of project trends, cost forecasts, and change management activities.
• Participate in estimate reconciliation exercises between forecasted and actual costs.
• Participate in project reviews, budget discussions, and cost alignment meetings.
• Provide estimate presentations and supporting analysis to project management and stakeholders.

Experience You Will Bring

• Diploma or Degree within Civil Construction or equivalent combination of training.
• 8+ years of Estimating and Operational experience within Major Project Estimating,
• Professional Engineer, or equivalent, designation preferred.
• Large infrastructure project and bid experience (rail, roads, bridges), with knowledge of the local supply chain, in Toronto and the GTA, for projects of $1000M+ value.
• Proven experience leading large bids involving multiple work types/disciplines.
• Expert in reading and understanding construction drawings and documents.
• Knowledge and experience of using Rail Method Of Measurement (RMM1) would be advantageous.
• Thorough knowledge of contract language/Terms and Conditions/Bonding, etc.
• Computer literate – working knowledge of MS Excel/Word/Project, and Hard Dollar or similar estimating software.
• Strong knowledge of project controls, including costs and scheduling and general requirements of construction projects.

Why Join Us?

Compensation: $150,000 - $170,000 annually.

The listed salary range reflects potential base pay and considers factors such as experience, education, and training. Each candidate is evaluated individually and offers toward the higher end may be extended to those with exceptional qualifications.

• Comprehensive health and dental benefits and RRSP matching plans.
• The opportunity to work on one of the most exciting rail projects in Toronto.
• A wide array of learning and development opportunities.
• A work environment focused on health and safety.

This posting is for a current vacancy and applications are reviewed on a rolling basis.

STC is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of citizenship, race, place of origin, ethnic origin, colour, ancestry, disability, age, creed, sex/pregnancy, family status, marital status, sexual orientation, gender identity, gender expression, and record of offences.

When we collect your personal information as part of a job application or offer of employment, we do so in accordance with industry standards and best practices and in compliance with applicable privacy laws. We are committed to adhering to the objectives and requirements outlined in the Accessibility for Ontarians with Disabilities Act (AODA) and to meeting the accessibility needs of persons with disabilities in a timely manner through the implementation of the requirements of the AODA and its applicable regulations. If you require accommodation under the AODA during any step of the application process, please email us at [e-mail].