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Mechanical Building Commissioning Consultant

Job in Oshawa, Ontario, L1E, Canada
Listing for: RWDI
Full Time position
Listed on 2026-06-03
Job specializations:
  • Engineering
    Mechanical Engineer, Environmental Engineer, Energy Engineer, Building Services Engineer
Job Description & How to Apply Below
Mechanical Building Commissioning Consultant
Guelph or Toronto, ON

RWDI is a global climate and performance engineering consulting firm that helps its clients redefine what’s possible by overcoming design and operational challenges, while minimizing environmental, user, and resource impact. With deep technical expertise across a broad range of services, we drive success on ambitious building, industry, and infrastructure projects.

We are a values‑based organization, which means everything we do relates back to our three core values: innovation, integrity, and integration. So, when we look for new people to join our team, alignment to these values is a vital piece of our people puzzle. Here’s what this looks like:

You push the boundaries of what’s possible.

People know they can rely on you to follow through on your commitments.

You believe that when a group of people come together, they can achieve more than any one person could alone.

If this sounds like you and you’re ready to join an award‑winning organization and work alongside renown technical and exceptionally innovative colleagues, RWDI is the place for you.

About the Position
RWDI is seeking a  full‑time  skilled  Mechanical Commissioning Consultant  to join our Commissioning team in either our  Guelph or Toronto  office.

As a Commissioning Consultant you will:

Participate in all phases of Commissioning process

Perform building commissioning for both new and existing buildings

Visit job sites to verify building system installations meet design requirements and intent

Provide troubleshooting and diagnostic support on various building systems

Participate in the investigation phase of an existing building commissioning process

Perform energy usage analysis

Make energy efficiency recommendations and suggestions for improvements

Prepare commissioning and energy audit reports

Communicate with project team members for scheduling, document collection and project status purposes

Support the implementation of business development and delivery strategies to help grow the commissioning and energy services lines

Track industry developments and innovations to ensure RWDI’s ability to deliver relevant services and innovative deliverables

We welcome your application if you have:

Bachelor’s Degree in Mechanical Engineering

Licensed P.Eng or EIT in Mechanical Discipline a plus

2+ years of commissioning experience

Knowledge of HVAC&R, building codes and standards, LEED, and ASHRAE

CXA, AABC, ACG certification a plus

Strong written and oral communication skills

High competency in technical writing, ability to develop and deliver programs and data collection systems

Excellent Computer Skills (MS office package minimum)

In addition, the following skills and experience will be seen as an asset:

Work independently with minimal direction

Handle pressure well with multiple demands and projects

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