The Building Automation Systems (BAS) Engineer is responsible for the design, development, programming, testing, commissioning, and continuous improvement of Building Automation Systems for residential, commercial, and multi-residential buildings.
The successful candidate will collaborate with management, Project Managers, Software Developers, Electricians, and Field Technicians to design and implement scalable, high-performance BAS solutions that improve building efficiency, reliability, and occupant comfort.
Key Responsibilities Design and develop Building Automation System (BAS) platforms.
Design the overall BAS architecture and communication network.
Develop HVAC control sequences and programming standards.
Program BAS controllers, gateways, edge devices, and supervisory systems.
Create system graphics, dashboards, alarms, trend logs, reports, and analytics.
Design remote monitoring and cloud-based building management solutions.
Select and evaluate controllers, sensors, actuators, VFDs, communication hardware, and other field devices.
Integrate third-party equipment, including: Boilers
Cooling Towers
Heat Pumps
Fan Coil Units
Air Handling Units (AHUs)
Make-Up Air Units (MAUs)
Pumps
Domestic Hot Water Systems
Exhaust and Supply Fans
Variable Frequency Drives (VFDs)

Develop communication interfaces using industry-standard protocols such as BACnet and Modbus.
Lead the startup, commissioning, testing, and troubleshooting of BAS installations.
Provide technical support to installation teams throughout project execution.
Develop energy optimization strategies for commercial, institutional, and multi-residential facilities.
Implement fault detection, alarm management, diagnostics, and predictive maintenance strategies.
Prepare engineering documentation, sequences of operation, and as-built documentation.
Evaluate and implement emerging BAS technologies, IoT solutions,



and industry best practices.
Qualifications Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Mechatronics Engineering, Computer Engineering, Software Engineering, or a related discipline.
Minimum of 5 years of Building Automation Systems engineering experience.
Solid knowledge of HVAC systems and building mechanical equipment.
Experience programming BAS controllers.
Strong working knowledge of Niagara Framework (N4) and Noah Controls.
Experience with BACnet, Modbus, and IP networking.
Experience commissioning and troubleshooting BAS systems.
Excellent analytical, communication, and problem-solving skills.
Preferred Experience Extensive experience integrating condominium, commercial, or institutional HVAC equipment into Building Automation Systems, including boilers, chillers, cooling towers, heat pumps, make-up air units (MAUs), fan coil units, domestic hot water systems, pumps, variable frequency drives (VFDs), exhaust and supply fans, pressure control systems, and other central mechanical equipment.
Strong understanding of HVAC control sequences, energy optimization, and mechanical systems commonly found in high-rise residential and commercial buildings.
Experience developing web-based dashboards and user interfaces.
Knowledge of cloud-based building management platforms.
Experience integrating IoT devices and cloud services.
Experience with analytics, fault detection, diagnostics, and energy reporting.
Understanding of cybersecurity principles for BAS networks.
Experience with machine learning or AI applications for building optimization is considered an asset.
Key Contributions BAS architecture and engineering standards.
Reusable control logic libraries.
Standardized graphics and operator dashboards.
Trend logging, reporting, and analytics.
Remote monitoring and cloud-based management platforms.
Energy optimization and continuous system improvement initiatives

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📌 Building Automation Systems (BAS) Engineer (Ontario)
🏢 Engineering Search Firm
📍 Ontario