Building Automation Systems (BAS) Technician — HVAC Controls & Integration

Mississauga, ON
On-site
Posted Oct 15, 2026
1 position

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Employment type: Full-time
Experience level: Mid-level · 2+ years
Minimum education: Professional degree
Posting language: English
Working hours: 40 hours per week
Seniority: Not Applicable
Application method: Direct apply is available

Job summary

Troubleshoot, start up, commission, and integrate BAS and HVAC control systems, including Niagara 4 platforms, networked devices, and critical-air systems. Perform functional testing and optimization, coordinate with trades and facility teams, maintain service documentation, and provide on-site troubleshooting and training.

Job details

Preston Phipps has been a Canadian leader in steam optimization, HVAC solutions, and critical‑environment 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.

What you’ll do

Requirements

Requires a technical diploma or equivalent field experience, practical knowledge of HVAC fundamentals or building automation, and experience with BAS troubleshooting, controller networks, or integration. Familiarity with BACnet/Modbus is required; candidates must also be willing to travel within Ontario, hold a valid driver's license, work at heights, and be able to obtain the specified security clearance.