Posted 15 days ago
Building Automation Systems (BAS) Engineer
@ Engineering Search Firm Inc.
Mississauga, Ontario
Overview
Engineering Search Firm Inc. is hiring a full-time Building Automation Systems (BAS) Engineer to design, program, commission and improve BAS for residential, commercial and multi-residential buildings. The role covers BAS architecture, controller programming, HVAC integration and energy optimization. The posting states a salary of $90-$105k.
Responsibilities:
- Design and program BAS platforms, controllers and graphics
- Develop HVAC control sequences and communication interfaces
- Integrate boilers, chillers, AHUs and other third-party equipment
- Lead BAS startup, commissioning and troubleshooting
- Develop energy optimization and fault detection strategies
Requirements summary:
- Bachelor's degree in an engineering discipline
- 3-5 years of BAS engineering experience
- Experience with Niagara Framework (N4) and Noah Controls
- Knowledge of BACnet, Modbus and IP networking
- Valid Ontario driver's licence
Tools & skills
Source and dates
Source type not verified · apify-linkedin
- Employer posting date
- 2026-10-29
- First seen by our source
- 2026-11-14
- Source record updated
- 2026-11-14
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Mid level |
| Department | Engineering |
| Experience | 3+ years |
| Hours per week | 40 (estimated) |
| Travel | ground: moderate |
| Work setting | Office, Client sites, Plant or factory |
| Position | Sitting and standing |
| Physical demands | physical low · computer high |
| Languages | English |
| Driver’s licence | required |
| Education | Bachelor’s degree (required) |
| Fields of study | Mechanical Engineering, Electrical Engineering, Mechatronics Engineering, Computer Engineering, Software Engineering |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Engineering Search Firm Inc.
| Field | Value |
|---|---|
| Open jobs on Jobsy | 5 |
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
Journal
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