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Co-op Estimator

Aecon Group
Mississauga, ON, CA Posted Sep 3, 2026
On-siteCAD 20 - 25 / hour

About this role

What is the Opportunity?

Safer. Faster. Smarter. 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. Guided by our core value of Safety Always, we partner with clients to build the infrastructure that powers the future.

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; St. John’s International Airport, Newfoundland; and the Canadian Forces Base (CFB), Trenton, Ontario.

We are looking for a Co-op Estimator to help us get there! Reporting to the Sr. Estimator, the Co-op Estimator will support with the delivery of accurate and timely cost estimates, budgets, and schedules for assigned projects.

Co-op Opportunity: this opportunity currently has an opening for a 12-month work term.

What You'll Do Here:

  • Analyzes documents, specifications, proposals, and addendums in preparation for pricing.
  • Assists with RFPs and General Contract tender submissions.
  • Supports the team in preparing quantity take-offs from construction drawings where applicable.
  • Researches and/or obtains pricing from suppliers and subcontractors that can be incorporated into project estimates.
  • Assists with prequalification submissions, RFQs, and RFIs as required.
  • Aids in estimate creation for bid submission, including labour, equipment, material, rentals, and subcontracts.
  • Attends site visits in advance of estimate creation.
  • Ensures the distribution of documentation appropriately upon award.
  • 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.
  • Coordinates scope changes as required.
  • Incorporates and complies with Aecon’s risk management policies and procedures.
  • Maintains estimating data systems to ensure they are kept up to date.
  • Performs other duties and responsibilities as required.

What You Bring to the Team:

  • 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.
  • Self-motivated with excellent organizational skills.
  • Strong computer skills, including MS Excel, Word, Project, and estimating software.
  • Excellent communication skills, both oral and written.
  • Ability to work accurately and effectively under pressure.
  • Capability to work both independently and within a team environment.
  • Valid driver’s license and ability to travel as required.

Reason for Vacancy: New

The expected pay range for this role is $20 - $25 per hour.

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.

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), a

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