Site Resident Mechanical Engineer, Buildings

Site Resident Mechanical Engineer, Buildings

Toronto, ON, Canada

Join WSP’s Building & Transportation Mechanical & Electrical (M&E) Team as a Site Mechanical Engineer, supporting major infrastructure projects located in downtown Toronto. This role places you at the centre of site execution, where your technical expertise and construction‑phase leadership help deliver some of Canada’s most complex and impactful transportation and building projects.

You will:

• Deliver mechanical design and site engineering services for transportation buildings projects
• Act as WSP’s mechanical engineering representative during construction, supporting contractors, owners, and internal teams through all phases of site execution.
• Lead the design and implementation of mechanical systems including HVAC, hydronic systems, plumbing, fire protection, and BAS.
• Conduct regular site visits and field reviews to verify installations align with design intent, codes, and contract documents.
• Review and respond to shop drawings, RFIs, change requests, and proposed design deviations with a strong focus on constructability.
• Support commissioning, testing, start‑up, and close‑out activities to ensure safe, reliable system performance.
• Mentor and guide junior engineers and EITs, contributing to technical excellence and team development.

You bring:

• A Bachelor’s degree in Mechanical Engineering and P.Eng. registration with PEO.
• 5+ years of experience designing mechanical systems for transportation, commercial, healthcare, or light industrial projects.
• Strong knowledge of applicable codes and standards (OBC, CSA, ASHRAE, ASPE, NFPA, SMACNA, AREMA).
• Proven experience providing construction administration and field engineering services on complex projects.
• Expertise with mechanical design and analysis software (e.g., HAP/Tracer, duct and pipe sizing, equipment selection).
• Experience coordinating with contractors, commissioning agents, inspectors, and AHJs.
• Familiarity with GO Metrolinx and TTC design standards (asset).
• Confidence working in active construction environments with frequent site presence.

AB, BC, NT, NU, SK & YT: $89,800 – $118,900
MB & ON: $81,900 – $112,800
NB, NL, NS, PE & QC: $81,100 – $107,700

Disclosure:
The final salary awarded for this role may vary from the above range based on several factors including, but not limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs. The wage range provided in this job posting may be subject to change for business purposes.

• Job Identification 85316
• Posting Date 04/24/2026, 03:52 PM