Commissioning Engineer
Job in
Mississauga, Ontario, Canada
Listed on 2026-07-27
Listing for:
Webuild
Full Time
position Listed on 2026-07-27
Job specializations:
-
Engineering
Civil Engineering, Quality Engineering, Building Services Engineer, Site Manager -
Construction
Civil Engineering, Site Manager
Job Description & How to Apply Below
At Webuild, our DNA is rooted in Excellence, Integrity, Respect, Trust, and Sustainable Innovation. Guided by these values, our mission is to protect the planet, care for our people, inspire progress, share prosperity, and spark partnerships. Together, we’re building a better future—responsibly, inclusively, and with purpose.
About the Project
You will be part of our Hazel McCallion LRT project, playing a key role in driving its success and contributing to one of Canada’s most exciting infrastructure projects.
About the Job
We are hiring a Commissioning Engineer to step into a new role on our Delivery team on the Hazel McCallion LRT. This position reports to the Commissioning Manager.
What You Will Be Doing?
Plan, coordinate, and supervise MEP installation, testing, commissioning, and handover activities in compliance with project specifications, contracts, and industry standards.
Develop, review, and maintain testing and commissioning procedures, inspection test plans (ITPs), method statements, and commissioning documentation.
Coordinate multidisciplinary testing, commissioning, and system integration activities to ensure readiness for functional testing and final project acceptance.
Manage commissioning documentation, test reports, and ensure compliance with contractual, quality, and regulatory requirements.
Coordinate with construction, engineering, quality, safety, and commissioning teams to achieve timely inspections, testing, punch list clearance, and system handovers.
Monitor installation progress, conduct site inspections, verify compliance with drawings and specifications, and prepare progress and performance reports.
Support project planning by identifying constraints, mitigating risks, and implementing look-ahead planning and pull-planning activities.
Ensure safe execution of subcontractor activities while supporting quality inspections, Engineer of Record (EoR) inspections, hazard mitigation, and HSE compliance.
Support project close-out by coordinating final commissioning, verifying as-built documentation, resolving outstanding issues, and preparing complete handover packages for client acceptance.
What We Are Looking For ?
5+ years of experience in commissioning and experience in Construction/MEP Coordination
Experience in D&B Railway or subway or LRT projects.
Must have experience with commissioning and safety certifications of systems on major infrastructure projects.
Strong grasp of all mechanical, electrical, plumbing, and low-voltage systems
General understanding of Building Codes, Mechanical Codes, Electrical Codes and Plumbing Codes as they relate to construction of project.
Bachelor’s degree in Construction Management or Engineering preferred
Experienced dealing with MEP subcontracts and subcontractors Additional Notes
Expected Compensation
Successful candidates chosen for this position can expect to earn between $80,000.00 CAD - $90,000.00 CAD The exact salary you will earn within this range is dependant on the specific project to which you are assigned.
Why Choose Webuild?
Competitive compensation & retirement savings – We offer a strong compensation package with an RRSP matching program (currently up to 4% for permanent employees).
Iconic projects – Be part of major linear infrastructure projects that shape Canada’s future.
Day-one coverage – Comprehensive group benefits start on your first day (for permanent roles working 20+ hours per week).
Wellbeing support – Access to our Employee and Family Assistance Program whenever you need it.
Work-life balance – We actively encourage a healthy balance between work and personal life.
Time to recharge – Vacation entitlement: 3–5 weeks annually, based on experience and in accordance with company policy and applicable employment standards.
Grow with us – Tailored training and development opportunities to advance your career.
Extra perks – Enjoy discounts like 20% off at Good Life Fitness (currently available to Ontario employees through our group benefits provider, subject to change).
At Webuild, we believe diverse perspectives drive innovation, strengthen teams, and lead to better outcomes. We welcome applicants of all backgrounds, including but not limited to women, visible minorities, Indigenous Peoples, persons with disabilities, and members of the LGBTQ2S+ community. If you require accommodation during the recruitment process, please let us know.
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