BAS Specialist / Senior Automation Systems Technician

Location: Greater Toronto Area / Mississauga, Ontario

Work Model: Primarily Field / On-Site + Local Project Travel

Employment Type: Full-Time

About the Opportunity

Our Client is an established technology and systems integration organization supporting commercial, institutional, industrial, mission-critical, and enterprise environments.

Our Client is seeking an experienced BAS Specialist / Senior Automation Systems Technician to support the engineering, configuration, commissioning, troubleshooting, service, and ongoing performance of Building Automation Systems.

This is a hands-on technical role combining detailed BAS engineering and system configuration with advanced field troubleshooting, programming, commissioning, maintenance, and technical support .

The successful candidate will work with BAS databases, points, controllers, alarms, trends, integrations, system communications, and related engineering data while also supporting customer systems, field activities, migrations, retrofits, and technical issue resolution.

What You’ll Do

- Perform detailed BAS/BMS engineering and system configuration across assigned systems and projects.
- Prepare, review, and maintain point databases, points lists, equipment data, and related engineering information.
- Configure BAS points, objects, controllers, devices, schedules, setpoints, commands, and related system functions.
- Configure and validate alarms, priorities, trends, trend logs, and historical data requirements.
- Support system navigation, graphics, users, permissions, and related operational configuration.
- Validate engineering data against controls drawings, points lists, controller information, sequences of operation, and field conditions.
- Identify and resolve missing, duplicate, inconsistent, obsolete, or incorrectly configured BAS data.
- Program and modify BAS controllers and controls logic for new and existing systems.
- Diagnose and troubleshoot complex BAS software, controller, communication, network, and field-device problems.
- Respond to technical service, maintenance, and system-performance issues.
- Perform BAS system checkout, start-up, testing, tuning, and commissioning.
- Support maintenance, repair, and replacement of installed BAS equipment and components.
- Support BAS modernization, retrofit, integration, and migration activities.
- Assist with migration or reconfiguration of points, databases, alarms, trends, graphics, schedules, and other system information.
- Integrate BAS controllers, devices, gateways, and third-party equipment.




- Support BACnet and other applicable BAS communication and integration requirements.
- Review and interpret controls drawings, wiring diagrams, sequences of operation, points lists, specifications, and other technical documentation.
- Troubleshoot and resolve point mapping, object references, database, configuration, and integration issues.
- Perform pre- and post-change validation to confirm system functionality and communication.
- Support commissioning and functional verification activities.
- Prepare accurate service reports, technical records, issue logs, test results, configuration records, and project documentation.
- Provide technical support to customers, end users, technicians, and other project personnel.
- Mentor and transfer technical knowledge to less experienced BAS technicians or specialists where required.
- Coordinate with Systems Integrators, technical leads, Project Managers, field teams, and commissioning personnel.
- Participate in emergency or after-hours technical support where required.
- Follow applicable project, site, safety, quality, and technical requirements.

What We’re Looking For Candidates should have strong hands-on experience working with Building Automation Systems / Building Management Systems .

Relevant experience should include

- BAS/BMS engineering and configuration
- Controls programming
- Point databases and system data
- Alarms and trends
- BAS controllers and field devices
- System integration
- BACnet or similar BAS communications
- System troubleshooting and diagnostics
- Commissioning and system checkout
- Maintenance and repair
- Technical documentation
- Customer and field technical support

Candidates should also have:
- Strong troubleshooting and root-cause analysis skills.
- Ability to work independently with limited supervision.
- Experience interpreting controls drawings, wiring diagrams, points lists, and sequences of operation.
- Valuable mechanical and electrical aptitude.
- Ability to resolve technical configuration and system-performance issues.
- Strong organizational and documentation skills.
- Strong written and verbal communication skills.

Preferred Experience The following would be particularly valuable:

- Experience with major commercial or enterprise BAS/BMS platforms.
- Multi-building or campus BAS environments.




- BAS modernization or migration projects.
- BACnet/IP and BACnet MS/TP.
- Third-party controller and system integration.
- Advanced controls programming.
- BAS graphics and operator-interface configuration.
- Commissioning and functional testing.
- Data centres, healthcare, laboratories, pharmaceutical, manufacturing, institutional, or other critical environments.
- Manufacturer-specific BAS/BMS training or certifications.

Experience & Education

- Technical diploma in Building Automation, Electronics, Electrical, Electromechanical, Mechanical, Controls, or a related discipline is preferred.
- Relevant trade or equivalent industry experience may be considered.
- Approximately 5+ years of relevant BAS/BMS field service, engineering, programming, integration, or commissioning experience is preferred.
- Strong hands-on programming, troubleshooting, and commissioning experience is highly preferred.
- Experience working independently on complex BAS technical issues is expected.
- Manufacturer or industry-specific BAS certifications are considered an asset.

Additional Requirements

- Must be legally eligible to work in Canada without employer sponsorship.
- Valid driver's licence required.
- Must be able to travel regularly to customer and project sites throughout the GTA and surrounding regions.
- Must be comfortable working within active commercial, institutional, industrial, construction, and technical environments.
- Some emergency, after-hours, commissioning, or cutover work may be required.

Compensation & Benefits Our Client offers competitive compensation based on BAS experience, technical capability, certifications, and level of responsibility.

Additional benefits and programs may include comprehensive benefits, professional development, technical training, certification opportunities, and advancement within BAS engineering, systems integration, service, commissioning, and technical leadership.

How to Apply

If you feel you are an excellent candidate and have the required skills and experience indicated above, please send your attached resume via Easy Apply, respond to the screening questions, and send any important details (including cover letters) to [email protected] submitting, you agree to our Consent Policy, Data Processing & Privacy Policy (www.potenco.ca)You consent to submit your application, forms, documents, and information electronically, and authorize Potenco to share your resume and relevant information with the hiring company or its affiliates as part of the recruiting, background check, and onboarding process.

(AI may have been partially used to create this )

📌 Building Automation Specialist / Senior Automation Systems Technician (Toronto)
🏢 Potenco
📍 Toronto