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Posted 15 days ago

Building Automation Systems (BAS) Engineer

@ Engineering Search Firm Inc.

Mississauga, Ontario

Full-time3+ years experience
Apply now
SIGNALS

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

SeniorityMid level
DepartmentEngineering
Experience3+ years
Hours per week40 (estimated)
Travelground: moderate
Work settingOffice, Client sites, Plant or factory
PositionSitting and standing
Physical demandsphysical low · computer high
LanguagesEnglish
Driver’s licencerequired
EducationBachelor’s degree (required)
Fields of studyMechanical 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.

FieldValue
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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

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