Testing & Commissioning Engineer

Date: Oct 5, 2025

Location:

Scarborough, ON, CA

Operating Sector: Operations

Position Title: Testing & Commissioning Engineer

Who We Are
STC is a joint venture between Aecon and FCC Canada Ltd. that was selected by Metrolinx to deliver the Scarborough Subway Extension – Stations, Rails and Systems (SSE-SRS) package. The Scarborough Subway Extension will bring the TTC's Line 2 subway service nearly eight kilometers farther into Scarborough. It will extend from Kennedy Station to Sheppard Avenue and McCowan Road, providing quick and seamless transit for those heading into and out of the downtown core and those travelling within Scarborough. The extension will replace Line 3 (the Scarborough RT), helping to reduce travel times and improve access to jobs, schools, and other key destinations throughout the city.

As part of this project, we are currently looking for a Testing & Commissioning Engineer to join our team.

What You Will Do

• Plan, prepare and execute the Testing and Commissioning program.
• Support overall management of Testing and Commissioning activities.
• Support coordination/production of Testing and Commissioning plan and procedures.
• Support coordination of Testing and Commissioning activities and site access.
• Liaison between various stakeholders including Metrolinx and Toronto Transit Commission.
• Liaise with project design groups, quality, project management and other project teams in the context of Testing and Commissioning.
• Support inspection and testing of all facilities for Kennedy Enabling Works.
• Assist in incorporating and overseeing site safety within all Testing and Commissioning activities.
• Support scheduling and planning of process for handover of assets from construction to Testing and Commissioning.
• Support the compliance, approval, and acceptance related processes.
• Support inspection and testing of Electrical, Mechanical and Communication systems and their interface with existing TTC systems.
• Ensure that all tests, including performance testing, follow applicable Project Requirements and Standards.
• Produce Testing and Commissioning Status reports.
• Gather and maintain Testing and Commissioning evidence/logs.
• Ensure the coverage of requirements all along the project, ensuring that testing (via various means) provides a full coverage of correct implementation of the requirements: functional and safety requirements.
• Reviews and approves the traceability matrix, in cooperation with the other project stakeholders.
• Drive an inclusive culture to promote equity, welcome different perspectives, and enable career progression by fostering a sense of belonging.

Experience You Will Bring

• Minimum of 5 years of experience in the construction, testing and commissioning, and operations and maintenance in railways projects and systems, or of a similar scope and complexity.
• Strong knowledge of Mechanical and Electrical regulations and Standards in the province of Ontario, including Ontario Building Code (OBC) and Ontario Electrical Safety Code (OESC).
• Experience with Building Automations System, SCADA and / or PLC programming is an asset.
• Experience commissioning Fire suppression and Fire life safety systems with Toronto Fire Services.
• Experience with large, complex projects and Joint Ventures with multiple interfaces preferred.
• Must have demonstrated experience with developing test procedures for System Integration tests
• Familiarity with the FAT, PICO SAT and SIT method of commissioning.
• Experience collaborating with the requirements management team and dealing with special category type of requirements, including "safety requirements", "RAM requirements", and "security requirements".
• Experience or familiarity with safety related application conditions (SRACs, ref. CENELEC
• Experience with development of test certificates.
• Demonstrated application of deploying problem-solving methodologies.
• Excellent communication skills, both written and verbal.

Why Join Us?

• Competitive pay, comprehensive health and dental benefits, and RRSP matching plans.
• The opportunity to work on one of the most exciting rail projects in Toronto.
• A wide array of learning and development opportunities.
• A work environment focused on health and safety.

STC is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of citizenship, race, place of origin, ethnic origin, color, ancestry, disability, age, creed, sex/pregnancy, family status, marital status, sexual orientation, gender identity, gender expression, and record of offences.

When we collect your personal information as part of a job application or offer of employment, we do so in accordance with industry standards and best practices and in compliance with applicable privacy laws.

We are committed to adhering to the objectives and requirements outlined in the Accessibility for Ontarians with Disabilities Act (AODA) and to meeting the accessibility needs of persons with disabilities in a timely manner through the implementation of the requirements of the AODA and its applicable regulations. If you require accommodation under the AODA during any step of the application process, please email us