The Lead Controls Engineer designs and develops the full control system for a next‑generation critical infrastructure product. This role covers closed‑loop control, safety interlocks, alarms/events, HMI, secure communications, energy optimization, and product cybersecurity.

You will work in a structured R&D; product development environment, maturing standardized control architectures from concept through production. Products are manufactured at scale, requiring consistent, version‑controlled software and formal change management. Collaboration spans electrical, mechanical, hydraulic, and embedded engineering.

Key Responsibilities

Design and tune closed‑loop pressure, flow, and temperature control

Define control architecture, sequences of operation, and alarm/event logic

Develop production‑grade embedded control software and firmware

Integrate with building/facility systems using BACnet, Modbus, MQTT

Implement cybersecurity practices, secure updates, and authentication

Build intuitive HMIs with role‑based access

Drive standardization from prototype through production

Define factory test and controls checkout procedures





Lead technical reviews and mentor engineers

Required Qualifications
Education & Experience

Bachelor’s degree in Electrical, Controls, Mechatronics, or Computer Engineering

10+ years’ experience developing control systems for industrial, mission‑critical, or HVAC/thermal‑hydraulic products

Experience working in an R&D; or product development workplace

Proven closed‑loop control design for pumps, valves, or thermal‑hydraulic systems

Experience with secure device communications and embedded cybersecurity

Background in engineering change management, BOM/drawing release, and configuration control

Experience with chillers, heat pumps, boilers, or variable‑speed pumping is an asset

Technical Skills

HVAC sequences of operation (ASHRAE Guideline 36)

Embedded controller/PLC development (C/C++, IEC 61131‑3)

HMI design for commissioning and diagnostics

Cybersecurity standards (IEC 62443)

Compliance: ASHRAE 90.1, UL/CSA 60730, EMC

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📌 Lead Controls Engineer (Ontario)
🏢 Modern Technical Staffing
📍 Ontario