Toronto, ON, CA

Operating Sector:  Urban Transportation Systems

Senior Estimator - Heavy Civil

At Aecon, we’re building the future and our people are at the heart of everything we do. We're always looking for exceptional talent to work on our exciting and ever-expanding project portfolios. We are focused on being the #1 Canadian Infrastructure Company and the first choice employer in our industry.


Position Overview

Want to work at Aecon? Aecon is well-positioned in the Canadian marketplace as an industry leader in the development and construction of infrastructure. We have a roster of ongoing major projects here and abroad, record backlog diversified across multiple sectors and duration, and a robust pipeline of future project pursuits. We are in a strong market position, but we are ultimately aiming higher.


We aim to be the partner-of-choice for end-to-end delivery of integrated Urban Transportation Systems. Our reputation for delivering timely, safe and reliable systems is bringing us there. Our multi-disciplinary, innovative teams have a reputation of excellence for projects in Canada and abroad.


Aecon is currently seeking a Senior Estimator to join the Urban Transportation Systems team. Under the supervision of Chief Estimator, the Senior Estimator is primarily responsible for accurately estimating new and current construction projects in a timely manner and is expected to utilize traditional and innovative methods in preparing estimates. The Senior Estimator is responsible for taking ownership and delivering the estimate of one or more bid tenders at a time.


Key Responsibilities  

  • Responsible for the preparation and documentation of project estimates using estimating package and following estimating policy and procedures.
  • Present all aspects of multi discipline scope (e.g. timing, constraints, risks, and potential cost saving opportunities and alternatives) to internal staff
  • Lead estimate closings for large complex projects
  • Accountable for accuracy of multi discipline estimates and related ancillary information
  • Responsible for accuracy of bid cost to actual cost of work performed. Shared accountability for the overall financial performance of projects awarded
  •  Analyzes documents, drawings, specifications, proposals, addendums in preparation for pricing
  • Performs any estimate related oral and/or written communications with clients
  • Reviewing project site prior to price preparation
  • Performs quantity take-off from construction drawings where applicable
  • Obtains pricing from suppliers and Subcontractors, and incorporate into estimate
  • Formulates all costs for tender submission – labour, equipment, material, rentals and subcontracts
  • Accountable for accuracy and completeness of tender submissions
  • Collaborates with Operations to drive project success and learning
  • Drives Estimating process / procedure compliance and consistency
  • Performs Post Bid / Post Project Analysis completion and that associated learning and communication takes place
  • Assists with RFP’s and General Contract tender submissions
  • Assists with Prequalification submissions, RFQ’s and RFI’s as required
  • Prepares and/or reviews project budgets at estimating close out to operations so cost reporting is impactful for future estimating needs.
  • Post award assist with set up of project schedule by providing requested information (costs, production rates, quantities)
  • Incorporates / complies with Aecon’s risk management policies and procedures
  • Drives positive relationships and serves as key contact with Clients, Consultants and key subcontractors
  • Coach and mentor junior estimators


Required Knowledge and Experience

  • 6-10 years’ experience in civils estimating within the construction industry 
  • Demonstrable civil engineering site experience.
  • Experience reviewing work of junior estimators
  • Excellent working knowledge of various types of civils construction contracts (e.g. Lump Sum, Cost Reimbursable, Unit Price, Target, Guaranteed Maximum Price, etc.)
  • Working knowledge of industry standards, specifications, standards, contract language/Terms and Conditions/Bonding etc.
  • In addition, incumbents will be required to demonstrate deep civils technical expertise and understanding of regulatory requirements in one or more of Aecon’s operating markets (Civils, Nuclear, Utilities, Rail, etc…)
  • High degree of excellence at performing investigations of each tender and accurately review and incorporate all site conditions that impact bid costs, ensure constructability. Leads and mentor others in this process.
  • Consistent and effective at successfully negotiating with vendors for project purchasing needs, conforming to Aecon’s procurement requirements including budgets and terms and conditions.
  • Expert level understanding of balanced/un-balanced bids and forecasting margins at the tender stage.
  • Coherently presents the essence/strategy of a completed estimate to management, defend its constructability, and defend calculated cost targets at a detailed level.
  • Expertise in submitting written requests for clarifications from clients; consistently well worded, to Aecon’s advantage and never compromises Aecon’s position where we hold a bid advantage.
  • An expert in the job handover process (from estimating to operations)




Aecon has every intention of fostering diversity within and across our organization. We welcome those who would contribute to the further diversification of our staff including, but not limited to, women, visible minorities, Indigenous people, persons with disabilities, and persons of any sexual orientation or gender identity.


If you require accommodation during any step of the application process please click here.