Contracts Manager - Scarborough Subway Extension

Date: Oct 30, 2026
LocationScarborough, ON, CA
Operating Sector: OperationsPosition Title: Contracts Manager - Scarborough Subway Extension (STC)Come Build Your Career at Aecon!Aecon delivers some of the most complex and impactful infrastructure projects — from transformative transportation networks to critical energy, industrial and nuclear programs. The projects we build connect communities and power future generations. With deep roots in North America and a strong footprint internationally, Aecon brings global expertise and proudly serves public and private sector clients through its Construction and Concessions segment.
Safety Always is not only our #1 core value – it is the standard that anchors our culture. We believe the most ambitious projects deserve the most committed people. At Aecon, you won’t just build your career — you’ll help build what matters to enable future generations to thrive.
At Aecon, you can count on:
Safety Always.
Our number one core value. The safety of our people, projects, partners, and stakeholders is our priority focus – today and always.
Integrity.
We lead by example, with humility and courage.
Accountability.
We’re passionate about delivering on our commitments.
Inclusion.
We provide opportunities where people feel valued, supported, and empowered to contribute fully.
We deliver infrastructure with purpose, and our people are at the heart of everything we do. Aecon employees are incredibly proud to build some of the most impactful infrastructure of this generation – we call it
Aecon Proud .
At Aecon we:
Ensure you and your family receive the services and benefits needed to
support your mental, emotional, and physical well-being.
Are intentional when it comes to investing in your development. We help you build your career and advance your skills through our
Aecon University, tuition reimbursement, and Leadership Programs.
Are committed to creating work environments focused on mutual respect, teamwork, collaboration, and new ideas, through meaningful initiatives, training, partnerships with Veteran groups, our
Aecon Women in Trades
and diversity programs, as well as our
Employee Resource Groups (ERGs), to ensure we are building with top talent and harnessing our collective strengths within every aspect of our culture.
Operate responsibly by managing risk, safety, and environmental considerations across all our projects and surrounding communities.
Our success is built on the passion, expertise, and dedication of our people. Together, we embrace strong execution, innovation, and continuous improvement — values that come to life through the unique talents and collaborative spirit of every team member. If you’re inspired to make a difference through future-building projects, join our best-in-class team.
What Is The Opportunity?Scarborough Transit Connect (STC)was selected byMetrolinxto deliver the Scarborough Subway Extension – Stations, Rails and Systems (SSE-SRS) package. The Scarborough Subway Extension will bring the TTC’s Line 2 subwayservicenearly eightkilometers 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,schoolsand other key destinations throughout the city.
As part of the Scarborough Transit Connect project based in Scarborough, Aecon is looking for a qualified Contracts Manager to join our team.
What You’ll Do Here:
Identify, track and manage all variations to the project scope, ensuring compliance with contractual terms and conditions, including meeting deadlines.
Oversee the development of variation estimates and forecast their issuance.
Interface with leadership, Project Managers, Contractors, Consultants and other stakeholders to assess the impact of variations and ensure timely resolution.
Evaluate the commercial implications of variations and work with the cost team to ensure accurate cost forecasting and budget management.
Assess and mitigate risks associated with project variations, ensuring that potential impacts are identified and addressed proactively.
Maintain comprehensive records of all variations, including justification, approval, implementation details, and provide regular reports and updates.
Review and assess variations or modifications for potential impacts on the project scope, schedule, and budget.
Prepare regular reports on variation status, impacts and resolutions for senior management and project stakeholders.
Develop and update the variations management plan.
Ensure all variations comply with relevant regulations, standards and best practices.
Drive an inclusive culture to promote equity, welcome different perspectives, and enable career progression by fostering a sense of belonging.
What You Bring To The Team:
Bachelor’s degree in Engineering, Construction Management, or a related field.
8-10 years of construction experience as a project manager or a similar role within large-scale infrastructure projects, preferably in the rail or transportation sector.
3-5 years of commercial experience in contract/change management, or similar role.
Familiarity with estimating and schedule analysis.
Ability to read and interpret contractual documents, including terms and conditions, planning, and technical specifications.
Strong understanding of project mangement principles, contract management and cost control.
Excellent communication and interpersonal skills, with the ability to work effectively with diverse teams.
Strong analytical and problem-solving skills.
Good time management and organizational skills.
Attention to detail and a proactive approach to managing changes.
Familiarity with relevant construction contracts and contract law
Be a champion of inclusion and diversity.
Reason for vacancy: ReplacementPay Range: $130,000 - $160,000
Individual pay isdeterminedbased on several factors, including work location, education, experience, uniqueskillsand job conditions. Other considerations may include certifications, specialized training, and the complexity or scope of the role.
Aecon fosters belonging within and across our organization. We are committed to providing equal employment opportunities and considering all applicants without regard to race, color, religion, sex, national origin, age, disability, or any other characteristic protected by applicable local laws.
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