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Engineering Search Firm Inc.

Building Automation Systems (BAS) Engineer

Mississauga, ON, Canada

$90,000 to $105,000 CAD / year · Full-time

Apply About employer

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Job details

Pay: $90,000 to $105,000 CAD / year
Job type: Full-time
Apply by: Nov 29, 2026
Experience: · Minimum of 3-5 years of Building Automation Systems engineering experience.
Posting language: English
Posted: Oct 30, 2026

Original job description

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

Salary $90-$105k

· 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:

o Boilers

o Chillers

o Cooling Towers

o Heat Pumps

o Fan Coil Units

o Air Handling Units (AHUs)

o Make-Up Air Units (MAUs)

o Pumps

o Domestic Hot Water Systems

o Exhaust and Supply Fans

o Variable Frequency Drives (VFDs)

o Lighting Control Systems

· 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 3-5 years of Building Automation Systems engineering experience.

· Strong knowledge of HVAC systems and building mechanical equipment.

· Experience designing complete Building Automation Systems.

· 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.

· Valid Ontario driver's license.

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

The BAS Engineer will play a lead role in developing and enhancing a complete Building Automation System ecosystem, including:

· BAS architecture and engineering standards.

· Controller programming standards.

· Reusable control logic libraries.

· Standardized graphics and operator dashboards.

· Alarm management strategies.

· Trend logging, reporting, and analytics.

· Remote monitoring and cloud-based management platforms.

Energy optimization and continuous system improvement initiatives

Apply About employer

More about this job

Responsibilities

Design, program, integrate, commission, and improve building automation systems, including their architecture, HVAC control sequences, interfaces, dashboards, and remote monitoring capabilities. Lead system testing and troubleshooting, support installation teams, and develop energy optimization, alarm management, analytics, and predictive maintenance strategies.

Requirements

Requires a bachelor's degree in a relevant engineering or related discipline and 3–5 years of Building Automation Systems engineering experience. Candidates should have strong HVAC knowledge and experience with BAS design and programming, Niagara Framework N4, Noah Controls, BACnet, Modbus, IP networking, commissioning, and troubleshooting.

Skills

Building Automation Systems
BAS Architecture
HVAC Controls
BAS Controller Programming
Niagara Framework N4
Noah Controls
BACnet
Modbus
IP Networking
System Commissioning
Troubleshooting
HVAC Systems Integration
Energy Optimization
Cloud-Based Building Management
Fault Detection and Diagnostics
BAS Cybersecurity

Visa sponsorship

Not detected in the job text

Keywords

Building Automation Systems
BAS Architecture
HVAC Control Sequences
BAS Controllers
Niagara Framework N4
Noah Controls
BACnet
Modbus
IP Networking
Cloud-Based Building Management
Remote Monitoring
System Commissioning
Troubleshooting
Boilers
Chillers
Cooling Towers
Heat Pumps
Air Handling Units
Make-Up Air Units
Fan Coil Units
Variable Frequency Drives
Lighting Control Systems
IoT
Fault Detection
Predictive Maintenance
Energy Optimization
Analytics
Alarm Management
Cybersecurity
Machine Learning

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