Cambridge, ON, CA

Operating Sector:  Nuclear

Welding Engineer

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

Since 1967, we have proudly served Ontario’s nuclear industry. Aecon Nuclear aims to be the partner-of-choice for key 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.


The Welding Engineer reports to the Engineering and Technical Services Manager and is responsible for supporting various project teams in the welding of conventional and nuclear components.


If you are interested in this future opportunity, please apply now to this job posting. When we have an immediate opening that aligns with your background and experience, a member from our Talent Acquisition Team will contact you to discuss the opportunity in more detail!


Key Responsibilities

  • Ensuring all work is performed in accordance with Aecon Red Book Safety requirements.
  • Conducting technical reviews of Requests for Quotation (RFQ), Requests for Proposals (RFP) and contract specification and drawings for welding requirements.
  • Interpreting drawings, codes, standards and procedures, and summarizing for project personnel.
  • Determining welding processes and weld consumables, and selecting weld procedures and equipment based on the specifications, properties and characteristics of base metals.
  • Directing, witnessing and recording the welding and testing of Procedure Qualification Records (PQR), and writing Welding Procedure Specifications (WPS).
  • Certifying WPS and PQRs and registering with regulatory bodies.
  • Providing training, guidance and advice to personnel performing welding (including weld repair and inspection) and in the refinement of welding parameters and techniques.
  • Qualifying welders and preparing welding tickets.
  • Preparing Heat Treatment Instructions.
  • Maintaining records of WPSs, PQRs, Heat Treatment Instructions and welders’ tickets, qualifications and welding continuity.
  • Reviewing fabrication drawings and determining joint configurations and weld symbols.
  • Preparing requisitions and Aecon Technical Specifications for the purchase of weld consumables, and selecting appropriate Special Purchasing Instructions.
  • Attending team meetings and advising on design, construction and fabrication issues.
  • Reviewing and implementing OPEX’s from project sites.
  • Staying current with and introducing new technologies to the shop.

Required Knowledge and Experience

  • Welding Engineering degree or Metallurgical Engineering with a welding background from a university of recognized standing.
  • Minimum 5 years of manufacturing, fabrication or related industry experience.
  • Professional Engineer in the Province of Ontario, or eligible for same.
  • Strong working knowledge of ASME Codes Section I, Section II, Section III Division 1, Section VIII Division 1, Section IX, CWB W47.1 and CSA W59, CSA N285, N286 and B51, CSA Z662, API 6D, AWS D1.1/D1.6, ASME B31.1 and ASME B31.3.
  • Strong knowledge of engineering materials and metallurgy.
  • Knowledge of CANDU systems in general and field experience at CANDU nuclear plants would be an asset.
  • Certification as a CWB Welding Engineer or Supervisor would be an asset.
  • Good working knowledge of VT/MT/PT/RT and UT NDE methods.
  • General knowledge of manufacturing processes.
  • Results oriented, takes ownership of tasks assigned.
  • Strong written, verbal communication and problem-solving skills.
  • Working knowledge with MS based computer applications.
  • Work well a Team Environment.


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.


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