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About the Role

Design and develop the complete control system for a next-generation critical infrastructure product, encompassing closed-loop control, state management, safety interlocks, alarm management, HMI, secure communications, energy efficiency, and product cybersecurity. This role focuses on standardized product development for manufacturing at scale, ensuring consistent performance across all units.

Responsibilities

• Design and implement closed-loop control strategies for fluid systems, including pump/flow and temperature control.
• Architect system control topology.
• Design the alarm, event, and parameter framework.
• Implement secure communications and integration with building/facility management systems and customer equipment using standard industrial protocols.
• Optimize control strategies for energy efficiency and equipment performance.
• Develop control software as a standard, repeatable product.
• Provide ongoing firmware support for deployed units.
• Embed cybersecurity best practices into the product, including secure firmware updates and certificate-based authentication.
• Develop an intuitive HMI for commissioning, diagnostics, manual overrides, and standalone operation with role-based access control.
• Mature the design through proof-of-concept, pre-production, and production phases, incorporating lessons learned while protecting the standard architecture.
• Define controls checkout and factory test procedures for consistent production unit verification.
• Collaborate with electrical, mechanical, hydraulic, and embedded software teams.
• Represent controls design in technical reviews.
• Provide technical leadership and mentor engineers.
• Set controls design standards.

Requirements

• Bachelor’s degree in electrical, Controls, Mechatronics, or Computer Engineering.
• Eng designation is required.
• Minimum 10 years of experience developing control systems for industrial or mission-critical products (thermal, hydraulic, or rotating equipment).
• Proven experience designing and tuning closed-loop control for pumps, valves, or thermal-hydraulic systems.
• Experience implementing secure device communications and embedded product cybersecurity practices.
• Demonstrated experience with engineering change management, BOM and drawing release, and configuration control within a formal product development lifecycle.
• Critical infrastructure, mission-critical, or HVAC controls product experience (e.g., chillers, heat pumps, boilers, variable-speed pumping) is a strong asset.
• Ability to simplify complex problems and provide clear, well-reasoned recommendations.
• A product mindset focused on repeatability, reliability, and scale, with discipline in documentation and release processes.
• Ability to communicate openly and authentically in all situations.

Skills

• Closed-loop control design and tuning for pressure, flow, and temperature
• Sequences of operation for HVAC systems, including ASHRAE Guideline 36
• Model-based control design and simulation (MATLAB/Simulink)
• Redundant sensor handling and fault management
• Embedded controller and PLC development
• Embedded programming in C/C++ and IEC 61131-3
• Firmware lifecycle management (version control, upgrade procedures, compatibility matrices)
• HMI design and development for commissioning, diagnostics, and operation
• Secure device communications and integration using standard building/industrial protocols (BACnet, Modbus, MQTT)
• Alignment with recognized cybersecurity standards, including IEC 62443
• Event logging, telemetry, and remote diagnostics design
• Knowledge of HVAC energy and efficiency standards, including ASHRAE 90.1
• Understanding of product safety and regulatory compliance (UL/CSA 60730, EMC)
• Hardware-in-the-loop (HIL) testing and control system verification

Experience Level

• Minimum 10 years of experience

Education Level

• Bachelor’s degree in electrical, Controls, Mechatronics, or Computer Engineering
• Eng designation

About the Company

• Armstrong Fluid Technology is a global community of over 1,400 colleagues across the globe with eight manufacturing facilities on four continents.
• We are driven by a shared mission to engineer the future and safeguard our planet.
• We are pushing the boundaries of fluid-flow technology while upholding our commitment to sustainability.