It has come to our attention that various international organizations or individuals have been offering false employment opportunities at Aecon Group Inc. Aecon Group Inc. employment policies and processes involve interviews, and candidates who seek employment are never required to pay us any sum of money. To do so would be contrary to our business conduct guidelines and ethical practices. We also do not extend formal offers of employment or execute employment agreements through social media or social chat platforms.

We take this matter extremely seriously and are working with the appropriate authorities to shut down such fraudulent schemes. Please remain vigilant on this matter and report any suspicious outreach to your local authorities and email any concerns to

Date:  May 25, 2023

Cambridge, ON, CA

Operating Sector:  Nuclear

Position Title:  Estimator, Mechanical

Build Your Career at Aecon

Aecon is proud to build some of the most impactful infrastructure projects of this generation. From the roads and transit systems that connect our communities, to the communication networks that link us from coast-to-coast, and the water infrastructure that supplies our businesses and homes. Our integral work includes constructing the pipelines that join provinces with the energy that fuels the nation, and the airports and ports that connect us all. Aecon is there, safely and sustainably building the future.  


We lead the infrastructure industry with purpose, and our people are at the heart of everything we do. Our business success relies on strong execution and continuous improvement – driven by the diversity, expertise and teamwork of our employees. We are always searching the globe for exceptional candidates to join the Aecon family and be a part of our forward-thinking, innovative, best-in-class organization!  


About Us

Aecon, and its predecessor companies, have been actively engaged in Nuclear Construction in Canada, and internationally, since 1967.

Aecon aims to be the partner-of-choice for our nuclear clients and our dedication to excellence is leading us there.  Aecon Nuclear provides a full spectrum of Engineering, Procurement, and Construction (EPC) services, in addition to maintenance and manufacturing services tailored to meet the demanding requirements of the nuclear power industry.  We hold a broad range of nuclear qualifications to support the nuclear industry with construction and maintenance services.

Currently, Aecon is a major partner for both ongoing refurbishment programs at OPG and Bruce Power, and provides EPC services for many nuclear maintenance projects. We also provides major construction services to the nuclear power market in the US.

Under the general supervision of the Proposal Manager, the Mechanical Estimator is responsible for the development and preparation of cost estimates, using their knowledge of construction methods to generate execution plans for various nuclear construction opportunities and projects.  They will compile estimates requiring cost details for various items including materials, equipment, subcontractors and trade labour specific to the scope of work being quoted.


What You'll Do Here 

  • Work effectively in a team environment and support other estimators and managers in the department
  • Ability to define problems, collect data, establish facts and draw valid conclusions
  • Develop strategies and scope breakdown structures to support the estimate development process
  • Support the Proposal / Bid manager throughout the entire proposal development duration
  • Participation and understanding of both design/build and build to spec contracts
  • Review and interpret project drawings, specifications, lists, and other technical documentation
  • Ability to conceptualize construction plans / methodologies that define how to construct and install various mechanical equipment / systems
  • Create sketches, drawings and specifications that support the estimating process
  • Compile RFIs during and/or after the document reviews
  • Responsible for the accurate take-off of quantities preparation of detailed estimates while following company policies and estimating procedures
  • Utilize construction estimating software to compile detailed estimate information
  • Estimate Preparation - labour hours / headcounts, material costs; tools & equipment costs; scheduling durations; and compile bid packages for subcontractors and/or equipment suppliers
  • Analyzes sub-trade quotations, liaison with subcontractors for clarification of issues
  • Attend estimate kick-off and approval meetings with management to review estimate details, assumptions, and risk factors
  • Determine estimated construction durations for activity forecasting and project scheduling
  • Attend walkdowns / site visits to understand project scope
  • Superior time management with the ability to meet deadlines


What You Bring To The Team

      •    Minimum 5 years of estimating experience within the industrial construction industry on large capital projects
      •    Construction Engineering Technologist Diploma or Trade Certification or Gold Seal Certificate (Estimating) or equivalent experience
      •    Ineight Estimate software experience is preferred and knowledge of estimating, and take off programs are beneficial (i.e. Excel, OST Pro, Bluebeam, etc.)
      •    Strong estimating background, preferably on nuclear construction / maintenance projects 
      •    Exceptional organizational and time management skills
      •    Strong communication skills, both oral and written
      •    Common sense, concentration, imagination, ability to read and understand drawings, self assurance, responsible attitude, and leadership qualities
      •    Good knowledge of subcontracting processes
      •    Understanding of unionized trade agreements
      •    Ability to work in a multi-tasking and multi-disciplined team environment


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