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Building System Engineer Jobs in Toronto, ON (NOW HIRING)

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Building System Engineer information

What is the difference between Building System Engineer vs Mechanical Engineer?

AspectBuilding System EngineerMechanical Engineer
CredentialsBachelor's in Engineering, certifications like LEED or HVAC licensesBachelor's in Mechanical Engineering, PE license often preferred
Work EnvironmentDesigning, installing, and maintaining building systems in commercial or residential buildingsDesigning mechanical systems, machinery, or components across various industries
Industry UsageConstruction, facilities management, building designManufacturing, automotive, aerospace, energy
Common Search/ComparisonBuilding System Engineer vs Mechanical Engineer

Building System Engineers focus on designing and maintaining building-specific systems like HVAC, electrical, and plumbing within the construction and facilities management sectors. Mechanical Engineers have a broader scope, working on mechanical systems across various industries. While both roles require similar credentials, Building System Engineers specialize in building infrastructure, whereas Mechanical Engineers work on diverse mechanical applications.

What does a building system engineer do?

A building system engineer designs, maintains, and optimizes the mechanical, electrical, and plumbing systems within buildings to ensure safety, efficiency, and compliance with codes. They often use tools like CAD software and may hold certifications such as LEED or PE. Their work involves troubleshooting, system upgrades, and coordinating with construction and maintenance teams.
Infographic showing various Building System Engineer job openings in Toronto, ON as of August 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, 10% Hybrid, and 40% Remote job distribution.

Mechanical Engineer - Building Systems

Egis Group

Markham, ON • On-site

Full-time

Posted 17 days ago


Job description

Company Description

Are you ambitious and looking to make the right move in your career?  Now is the perfect time to join Egis.  Egis is experiencing substantial growth in North America, now made up of over 1,000 engineers, architects and planners across Canada and the USA. This strategic move underscores our commitment to investing in North America, propelling our expansion to new heights. 

Job Description

Mechanical Engineer based in Markham, Ontario, Canada, responsible for the design, assessment, and technical delivery of building mechanical systems within multidisciplinary engineering teams. The role supports projects involving HVAC, plumbing, and associated building systems across both new construction and existing facility environments.

The position contributes to engineering studies, design development, condition assessments, technical reporting, and construction-related support across healthcare, aviation, commercial, and data center projects. Responsibilities include regulatory compliance review, building system evaluation, lifecycle planning, stakeholder coordination, and project execution across multiple concurrent assignments.

The ideal candidate brings 7+ years of building mechanical engineering experience, professional engineering licensure, and demonstrated exposure to mechanical system design, facility assessments, and field investigations. Experience supporting both capital projects and facility modernization initiatives within regulated building environments is highly valued.

DUTIES & RESPONSIBILITIES

  • Manage project scope, schedules, deliverables, and quality control activities throughout engineering project execution.
  • Perform heating and cooling load calculations and complete HVAC system sizing for ductwork, piping, and mechanical equipment.
  • Prepare technical documentation, including engineering reports, specifications, and construction drawing mark-ups.
  • Conduct building system inspections and condition assessments of mechanical and electrical infrastructure.
  • Perform design reviews of engineering drawings and specifications to ensure compliance with applicable codes and standards.
  • Develop cost estimates supporting repair programs, equipment replacement planning, and lifecycle asset management initiatives.
  • Coordinate with multidisciplinary engineering teams to support integrated project delivery and technical consistency.
  • Participate in stakeholder coordination and client meetings to support project objectives and communication.
  • Undertake field investigations and prepare technical reports for reserve fund studies and property condition assessments.
  • Manage multiple concurrent assignments while maintaining schedule adherence, deliverable quality, and risk management objectives.
Qualifications

Required

  • Post-secondary degree in Mechanical Engineering.
  • Professional Engineer (P.Eng.) designation.
  • Minimum 7 years of experience in building mechanical systems engineering.
  • Experience with HVAC systems, plumbing systems, fire detection systems, fire suppression systems, life safety systems, electrical supply and distribution systems, and lighting systems.
  • Knowledge of the Ontario Building Code, National Fire Code, and Ontario Electrical Code.
  • Strong technical experience in design, assessment, and investigation of building systems across diverse project portfolios.
  • Demonstrated ability to manage multiple engineering projects simultaneously.
  • Strong verbal and written communication skills for technical reporting and stakeholder engagement.
  • Proficiency with Microsoft Office Suite.
  • Valid G Class Driver's Licence and daily access to a personal vehicle.
  • Ability to successfully complete a written HVAC/Mechanical Engineering knowledge assessment.

Assets

  • Experience using Autodesk Revit.
  • Practical experience in the testing, repair, replacement, and troubleshooting of mechanical equipment.
  • Experience supporting healthcare, aviation, commercial, and data center projects.
  • Exposure to retrofit, renewal, upgrade, and rehabilitation projects within occupied facilities.
  • Experience conducting reserve fund studies and property condition assessments.
  • Familiarity with mechanical asset renewal planning and facility improvement programs

Additional Information

Egis Canada is an equal opportunities employer offering a competitive salary and benefits to those with the skills suited to the needs of our clients. The salary range advertised may exceed the range based on several factors, including relevant education, qualifications, certifications, experience, skills, geographic location, performance, and business or organizational needs. 

We welcome and encourage applications from people with disabilities. Accommodations are available upon request for candidates taking part in all aspects of the selection process.

This role is eligible for a referral bonus in line with the Referral Program.  If you have been referred, please provide the name of the employee who has referred you at the time of your application.

At Egis, we embrace innovation to tackle challenges and utilize AI in our recruitment process under stringent ethics and compliance policies and in alignment with our values of being a Responsible Company, a People First Company and a Creative Company. Committed to diversity, growth and collaboration, we may leverage AI to support the recruitment process.