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.

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 robust footprint internationally, Aecon brings global expertise and proudly serves public and private sector clients through its Construction and Concessions segment.

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. The safety of our people, projects, partners, and stakeholders is our priority focus – today and always.

Inclusion. 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. 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.

This is how Aecon Utilities is committed to delivering projects.

Aecon

Utilities is a leading North American utility infrastructure provider with a strong track record delivering safe, reliable and innovative solutions across electrical, telecommunications, pipeline distribution and renewable energy markets. With operations across North America, Aecon Utilities supports critical utility infrastructure that powers and keeps communities connected. Established in 1983, Tristar has developed specialized in‐pavement inset lighting installation techniques that have created new standards employed in airport construction worldwide.

Providing a full turnkey solution for your airfield needs from design, installation, maintenance and troubleshooting. Tristar's notable airport electric projects include: the Toronto Pearson International Airport; the New Quito International Airport, Ecuador; Winnipeg's James Armstrong Richardson International Airport; John's International Airport, Newfoundland; We are looking for a Co‐op Estimator to help us get there! Estimator, the Co‐op Estimator will support with the delivery of accurate and timely cost estimates, budgets, and schedules for assigned projects.

Assists with RFPs and General Contract tender submissions. Researches and/or obtains pricing from suppliers and subcontractors that can be incorporated into project estimates. Aids in estimate creation for bid submission, including labour, equipment, material, rentals, and subcontracts.





Attends site visits in advance of estimate creation. Collects data for reports on established business key performance indicators. Supports the maintenance of files and correspondence on active and completed projects.

Provides technical support to field staff when needed. Incorporates and complies with Aecon's risk management policies and procedures. Maintains estimating data systems to ensure they are kept up to date.

Enrolled in a Civil, Construction, Electrical, or Business Diploma or Degree Program. Ability to read and understand construction drawings and contract documents. Knowledge of contract language, terms and conditions, bonding, etc.

Knowledge of job cost fundamentals and basic accounting/reporting principles is an asset. Strong computer skills, including MS Excel, Word, Project, and estimating software. Valid driver's license and ability to travel as required.

The expected pay range for this role is $20 - $25 per hour. Other considerations may include certifications, specialized 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.

📌 Civil Estimator Intern (Mississauga)
🏢 Aecon Group
📍 Mississauga