Construction superintendent Jobs in Markham, ON

Come Build Your Career at Aecon!

Aecon delivers some of the most complex and impactful infrastructure — 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.

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 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 — 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 Superintendent to join our team.

What You'll Do Here:

• Champion a Safety‑First culture, ensuring all work complies with Aecon’s Environmental Health & Safety Program and provincial OH&S legislation.
• Lead and promote safe work practices through planning, hazard assessments, FLRAs, mentorship, safety meetings, and site inspections.
• Support daily project execution by coordinating crews, guiding Foremen, and translating plans, drawings, and specifications into clear work activities and priorities.
• Monitor productivity and quality, proactively addressing challenges to maintain schedules, budgets, and production targets.
• Coordinate multiple trades and subcontractors to ensure efficient site access and timely project delivery.
• Collaborate with the Project Manager to determine labour and equipment needs and reassess daily goals.
• Oversee and approve daily production reporting, including quality control checklists, HSE documentation, disciplinary records, and equipment tracking.
• Ensure accuracy and timely submission of field logs and project‑specific forms.
• Maintain a safe work environment on-site by actively overseeing subcontractors safety performance; reviewing and approving subcontractors' means and methods and safety documentation; ensuring full compliance with all applicable regulations, legislation, and STC safety policies; and proactively identifying and correcting unsafe conditions or practices.
• This role supports the Scarborough Transit Connect project and requires full‑time, on‑site presence at 140 Grangeway Ave, Toronto.
• This role may require lifting, carrying, or moving materials up to 50 lbs on occasion.
• 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:

• Minimum 10 years of experience in a supervisory position in the construction industry.
• Strong technical foundation, bringing proven experience from heavy civil based projects.
• Exceptional ability to multitask in a dynamic and fast-paced environment.
• Strong interpersonal, leadership and communication skills.
• Proficient computer skills in MS Office (Outlook, Excel, Word, PowerPoint, etc.).
• Must have a valid Drivers License.
• Ability to work the project schedule which may include overtime, weekends and/or night shift when required.
• Be a champion of inclusion and diversity.

Reason for vacancy: Evergreen

The expected pay range for this role is $110,000 - $150,000 per year

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