Assistant Project Manager (LES) - Scarborough Subway Extension (STC)

Aecon; Toronto; On-site; CAD 90,000 - 120,000; Full time

Job summary

Aecon is hiring an Assistant Project Manager (LES) for the Scarborough Transit Connect scope covering the Scarborough Subway Extension. Based in Scarborough, ON, you will help deliver key rail infrastructure projects and support the project team across budgets, schedules, and procurement.

You will assist in maintaining budgets, enforce change procedures, help establish staffing plans, and ensure accurate reporting, quality and safety.

Qualifications

• Post secondary education in engineering, construction management or equivalent.
• 8+ years of construction experience.
• MS Office proficiency; estimating software experience a plus.

Responsibilities

• Assist in establishing and maintaining project budget.
• Enforce change procedures.
• Assist in establishing schedule and staffing plans.
• Ensure all project reporting is accurate and timely.
• Oversee testing, quality, and safety.
• Manage client and vendor relationships.
• Oversee procurement including materials and subcontractors.
• Drive an inclusive culture to promote equity and career progression.

Skills

Communication skills

Teamwork

Problem solving

Inclusion champion

Education

Post secondary education in engineering, construction management or equivalent

Tools

MS Office (Outlook, Word, Excel, Access)

Estimating software

Job description

Date: Oct 21, 2026

Location: Scarborough, ON, CA

Operating Sector: Construction

Position Title: Assistant Project Manager (LES) - 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 by Metrolinx to deliver the Scarborough Subway Extension – Stations, Rails 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.

As part of the Scarborough Transit Connect project based in Scarborough, Aecon is looking for a qualified Assistant Project Manager to join our team.

What You'll Do Here

• Assist in establishing and maintaining project budget.
• Enforce change procedures.
• Assist in establishing schedule and staffing plans.
• Ensure all project reporting is accurate and timely.
• Oversee testing, quality, and safety.
• Manage client and vendor relationship.
• Ensure project risks and issues are logged and managed.
• Ensure all project close-out activities are completed in a timely manner.
• Demonstrate commercial acumen to protect profits and improve margins.
• Business development, including participation in costing and estimating activities and risk analysis.
• Financial forecasting and contributing to creation of revenue targets.
• Oversee procurement including materials and subcontractors.
• 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

• Post secondary education in engineering, construction management or equivalent discipline.
• Knowledge and/or experience of the railindustryis preferred.
• 8+ years of experience in construction.
• General knowledge of non‑residential construction methods, building systems, and terminology.
• Ability to work under pressure, prioritize tasks and meet deadlines for normal functions and special assignments.
• Proficient use of MS Office (Outlook, Word, Excel, Access) is essential, experience of using estimating software is preferred.
• Ability to work effectively within a team environment.
• Skilled at building positive working relationships with internal and external clients.
• Good listening and communication skills.
• Be a champion of inclusion and diversity.

Reason for vacancy: Backfill

The expected pay range for this role is $90,000 - $120,000

Individual pay is determined based on several factors, including work location, education, experience, unique skills and job conditions. Other considerations may include certifications, specialist training, and the complexity or scope of the role.

Aecon fosters diversity, inclusion and belonging within and across our organization. We welcome all to apply including, women, visible minorities, Indigenous peoples, persons with disabilities, and persons of any sexual orientation or gender identity.

We are committed to adhering to the objectives and requirements outlined in the Accessible Canada Act (ACA), and to meeting the accessibility needs of persons with disabilities in a timely manner. Through the implementation of the requirements of the ACA and its applicable regulations, appropriate accommodations will be provided upon request throughout the interview and hiring process.

As part of our commitment to fair and transparent hiring practices, Aecon may use artificial intelligence (AI) tools to assist in screening and reviewing candidates. These tools are applied responsibly and in accordance with applicable privacy laws and Aecon’s AI Usage Policy. All final decisions are made by qualified Aecon team members.