Building Controls Service Technician

Modern Niagara Building Services a proud part of BCTS is a trusted partner for building owners and facility managers across Ontario. We deliver tailored building services that help commercial institutional industrial healthcare and residential facilities operate safely efficiently and sustainably. From proactive maintenance and 24/7 emergency service to HVAC plumbing electrical systems building automation energy optimization and facility support we help our customers maximize building performance throughout the entire lifecycle of their assets.

The Building Controls Service Technician is responsible for inspecting maintaining repairing and installing building automation systems (BAS) across client sites in the GTA. Based out of our Vaughan office this role supports field and office teams to ensure projects are executed safely efficiently and in alignment with Modern Niagaras technical and safety standards. Success means delivering reliable system performance accurate documentation and exceptional client service.

Why This Role Matters to Modern Niagara

Building Controls Service Technicians are essential for ensuring that building automation systems operate safely and efficiently. Their expertise directly impacts system reliability client satisfaction and project success. By providing technical leadership in commissioning troubleshooting and maintenance this role helps Modern Niagara uphold its reputation for high-quality building solutions.

Key Impact / Purpose

• Ensure BAS projects are executed safely on schedule and to Modern Niagara standards.
• Provide accurate system commissioning documentation and reporting to support operational excellence.
• Strengthen client and contractor relationships through timely communication and technical expertise.
• Support ongoing team development through mentorship knowledge sharing and training.

Duties and Responsibilities

On-site Network Start-up & Commissioning

• Coordinate with installers to ensure field device installations follow best practices.
• Verify controller power BACnet MSTP/IP configurations and BAS network communications.
• Troubleshoot network issues using tools such as BACnet Discovery Tool Wireshark and Visual BACnet.
• Guide installation teams to correct deficiencies and ensure project compliance.

Hardware Commissioning

• Commission field controllers and end devices validating operation of safety interlocks and mechanical equipment.
• Calibrate flow temperature and pressure transmitters; verify BAS input signals.
• Test valves/dampers actuators and variable speed drives; maintain accurate commissioning documentation.
• Ensure all devices and controllers are labeled according to project specifications.
• Safely lift and carry up to 50lbs and work on ladders as required.

Software & System Commissioning

• Download and verify controller software using Distech Controls software tools.
• Integrate 3rd party BACnet Modbus and Lonworks devices.
• Validate program operation control sequences system trends alarms and graphics.
• Escalate software issues to the Lead BAS Controls Technician and execute functional demonstrations for terminal units.

Other Duties

• Complete daily Safety Plan of the Day and maintain project documentation.
• Assist in development of graphical user interfaces user views and project databases under Lead BAS Controls Technician guidance.
• Upgrade and commission supervisory devices program field devices and support technical knowledge sharing.

Must Haves

• College Diploma in Electromechanical Engineering Technology or equivalent.
• Demonstrated knowledge of HVAC control systems and building automation.
• Strong verbal and written communication skills.
• Comfortable interfacing with clients contractors and internal teams.
• Ability to multi-task between fieldwork and other responsibilities.
• Ability to work effectively in a team-based environment with minimal supervision.
• Proficient with Microsoft software including Excel Outlook and Visio.

Nice to Haves

• Familiarity with Distech Controls software tools.
• Previous experience in BAS commissioning or mechanical/electrical contracting.
• Experience troubleshooting BACnet Modbus or Lonworks networks.
• Exposure to technical documentation systems or process improvement initiatives.

This is a new intermediate level role. Expected hourly compensation: $32.24 - $41.45/hour (40 hours per week)

Modern Niagara offers a competitive total compensation package including:

• Performance based bonus opportunities
• Defined Contribution Pension Plan with a generous employer contribution
• Flexible Health and Dental benefits with tiered options to meet the needs of you and your family
• An annual health spending account to support your overall wellness
• 24/7 confidential support through our Employee and Family Assistance Program
• A competitive vacation package with additional vacation granted throughout your tenure
• Employer Paid Parental Leave Top Up
• Annual Community Day dedicated to volunteering and giving back to the communities where we live and work
• Corporate Discounts across Canada for programs such as fitness mobile phones travel home and auto insurance and more

About Modern Niagara
Who We Are

Modern Niagara helps building owners managers and general contractors meet the mechanical electrical integrated building technology and building services needs of their buildings across Vancouver Calgary Edmonton Toronto Southwestern Ontario Kingston and Ottawa. We are committed to having a positive and meaningful impact on Canadas infrastructure and on the communities where we live learn work and heal. We build for life.

Our Culture & Values

We value passion initiative determination professionalism and teamwork. Health and safety are embedded in everything we do and our award-winning safety culture consistently performs well above industry standards.

Diversity Equity & Inclusion at Modern Niagara

We are committed to building a diverse equitable and inclusive organization where everyone has access to opportunity feels a sense of belonging and can thrive. We actively work to remove barriers faced by members of equity-seeking groups (including women Indigenous Black racialized 2SLGBTQIA people people with disabilities and newcomers to Canada) in the construction industry. We encourage applications from candidates of all backgrounds and lived experiences and are committed to a barrier-free hiring process. If you require accommodation at any stage of the recruitment process please contact us at
so we can make appropriate arrangements.

We appreciate every applicants interest in joining Modern Niagara. Only those selected for an interview will be contacted.

Required Experience:

IC