Preston Phipps has been a Canadian leader in steam optimization, HVAC solutions, and critical‑workplace systems since 1933.

Our Technical Solutions

Group focuses on advanced building automation, HVAC controls, and critical‑air systems for hospitals, universities, pharma, and research facilities. We are growing and looking for a BAS Technician who wants to expand their controls expertise and work on complex, meaningful systems. Role Overview

As a Building Automation Systems (BAS) Technician, you will support start‑up, troubleshooting, commissioning, and integration of HVAC controls and automation systems. You’ll work with Niagara‑based platforms, BACnet/Modbus networks, and critical‑air systems — with full training provided.

This role is ideal for technicians with BAS experience who want to advance into higher‑complexity controls work. What You’ll Do

BAS & Controls Responsibilities Troubleshoot, start up, and commission BAS/HVAC control systems

Diagnose issues with sensors, controllers, VAVs, airflow devices, and networked equipment

Integrate and commission Niagara 4 platforms (training provided)

Support sequence verification, functional testing, and system optimization

Perform basic HVAC mechanical checks related to controls operation Field & Project Execution Read and interpret mechanical, electrical, and controls drawings

Coordinate with contractors, electricians, and other trades

Maintain accurate job documentation and service records

Work safely in mechanical rooms, construction sites, and critical‑environment facilities Customer Support Provide on‑site troubleshooting and training

Communicate clearly with facility teams and contractors

Stay current on BAS best practices and product updates Technology Environment

You will work with:



Tridium Niagara 4

BACnet, Modbus, and third‑party integrations

HVAC controls for commercial and institutional facilities

Phoenix Controls lab ventilation systems (training provided)

Critical‑air systems in healthcare, pharma, and research labs What We’re Looking For

Required Technical diploma or equivalent field experience

Practical knowledge of HVAC fundamentals or building automation systems

Experience with BAS troubleshooting, controller networks, or integration

Familiarity with BACnet/Modbus devices Preferred (Not Required) Experience with Niagara 4 or other BAS platforms

Exposure to lab ventilation or critical‑air systems

Understanding of airflow controls, VAVs, or room pressure control Additional Requirements Basic computer skills (Excel, Word)

Comfortable working at heights and using ladders

Willing to travel within Ontario

Valid driver’s license with clean record

Ability to obtain UHN and Infrastructure Ontario security clearance

Ability to lift 40+ lbs Why Join Us Growing technical division with strong advancement opportunities

Factory training with Phoenix Controls, Strobic, and other OEMs

Support for Niagara 4 certification and advanced controls training

Career paths into commissioning specialist, project lead, or integrator roles

Work on complex, high‑impact systems in hospitals, universities, and research labs Who Thrives Here BAS technicians who enjoy autonomy and problem‑solving

People who like working on complex, high‑impact systems

Individuals who want to grow their controls expertise

Those who value a mix of fieldwork, commissioning, and customer interaction Please note that only selected candidates will be contacted. We thank all applicants for their interest in Preston Phipps.

📌 Building Automation Systems (BAS) Technician — HVAC Controls & Integration (Mississauga)
🏢 Flow Control Group
📍 Mississauga