Building Controls Service Technician

The Building Controls Service Technician inspects, maintains, repairs, and installs Building Automation Systems (BAS) across commercial and institutional facilities. Based out of our Ottawa (Kanata) office, this role supports building performance by diagnosing issues, delivering preventative maintenance, and implementing system improvements that ensure safe, efficient, and reliable operation. Success in this role means responsive customer service, accurate system troubleshooting, and consistent alignment with Modern Niagara’s safety and service standards.

Why This Role Matters to Modern Niagara

Building Controls Service Technicians play a critical role in ensuring that building systems operate efficiently and reliably. Their expertise helps customers maintain safe and optimized environments while strengthening long-term service relationships. Through technical skill and proactive problem-solving, they help maintain the performance of critical infrastructure and support Modern Niagara’s reputation for high-quality service delivery.

Key Impact / Purpose

• Maintain reliable and efficient building automation systems through preventative maintenance, troubleshooting, and system optimization.
• Support strong client relationships by delivering responsive service and clear communication during service visits.
• Contribute to building performance and operational efficiency by identifying issues, recommending solutions, and maintaining high technical standards.

Duties and Responsibilities

• Perform billable service work, warranty work, system installations, and preventative maintenance as assigned by the Service Coordinator.
• Diagnose and resolve building automation system (BAS) issues using accepted industry standards and troubleshooting practices.
• Recommend solutions that improve building automation performance and meet customer operational needs.
• Provide customer training on BAS systems and building control functionality when required.
• Create detailed service documentation following site visits, including work performed, issues identified, and commitments made to customers.
• Provide accurate information on parts and labor requirements to support quoting and replacement planning.
• Identify and communicate potential sales opportunities or building improvement needs to the service team.
• Participate in the after-hours on-call rotation to support client service requirements.
• Maintain and manage service vehicle inventory and report inventory levels as required.
• Support continuous improvement by suggesting enhancements to product quality, installation methods, and service procedures.
• Maintain accurate timesheets and submit them weekly.
• Follow all company policies, procedures, and the Modern Niagara Business Code of Conduct.
• Perform additional duties as assigned.

Must Haves

• 5+ years of experience troubleshooting and servicing Building Automation Systems (BAS).
• Experience supporting BAS control systems in commercial and/or institutional facilities.
• Strong understanding of mechanical and electrical control systems including HVAC equipment such as air handling units, boilers, chillers, heat exchangers, heat pumps, and VAV systems.
• Experience with BAS platforms such as Delta, Johnson Controls, Siemens, Automated Logic, Niagara, Trane, or similar systems.
• Ability to troubleshoot electrical, mechanical, and HVAC issues related to installation, wiring, plumbing, and power systems.
• Ability to lift up to 50 lbs and perform work at heights using ladders when required.
• Valid driver’s license and ability to travel frequently within the Ottawa region during the work week.

Nice to Haves

• Experience with BAS network troubleshooting tools such as BACnet Discovery Tool, Wireshark, or Visual BACnet.
• Experience integrating additional building systems such as lighting control, security and access control, irrigation systems, fire alarm interfaces, or water leak detection.
• Strong customer communication and training experience.

This is a new position. Expected hourly compensation: $38/hr – $53/hr

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 with access to comprehensive resources and professional services
• A competitive vacation package with additional vacation granted throughout your tenure with the organization.
• 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 through various vendors across Canada for programs such as fitness, mobile phones, travel, home and auto insurance and many others

Here at Modern Niagara, because we know our people are the best in the industry, we pride ourselves on providing a total compensation package that rewards employees for their hard work and supports employees and their families in their overall wellbeing.

About Modern Niagara

Who We Are

Modern Niagara helps building owners, managers, and general contractors meet the mechanical, and electrical needs of their buildings across Vancouver, Calgary, Edmonton, Toronto, Southwestern Ontario, and Ottawa. We are committed to having a positive and meaningful impact on Canada’s 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 applicant’s interest in joining Modern Niagara. Only those selected for an interview will be contacted.