Thermal System Controls Developer

Responsibilities

• Develop, implement, and support software and control logic for system-level thermal controls and optimization solutions.
• Write, test, and maintain PLC/control code using Codesys and IEC 61131-3 programming languages.
• Develop supporting tools, scripts, and automation utilities using Python.
• Design and configure GUI/HMI interfaces, dashboards, and operator workflows.
• Implement control strategies for hydronic and liquid cooling systems, including CDU systems, pumps, chillers, and heat rejection equipment.
• Develop standard software modules and reusable control libraries to support scalable deployment.
• Support integration with third-party equipment using industrial communication protocols like Modbus TCP, BACnet, and MQTT.
• Collaborate with cross-functional teams to translate roadmap needs and customer feedback into technical requirements.
• Support factory testing, software validation, and remote troubleshooting during commissioning.

Requirements

• Bachelor’s degree in Engineering (Automation, Computer Science, Electrical, or Mechanical) or equivalent technical experience.
• Experience in industrial automation, HVAC controls, liquid cooling, or BMS.
• Strong programming capability with Codesys or similar PLC development environments.
• Proficiency in IEC 61131-3 programming languages, specifically Structured Text.
• Working knowledge of Python for scripting and data handling.
• Experience with HMI/GUI development or SCADA systems.
• Understanding of industrial communication protocols (Modbus TCP, BACnet, MQTT).
• Ability to interpret control diagrams, P&IDs, and electrical schematics.
• Willingness to travel up to 20% for customer sites and factory testing.

Preferred Qualifications

• Experience with chilled water systems, hydronic plants, or data center cooling infrastructure.
• Knowledge of plant-level optimization, energy efficiency strategies, and PID tuning.
• Experience with Ignition, Unify, or equivalent SCADA/HMI platforms.
• Proficiency with Git or other software version-control tools.
• Experience supporting FAT, SAT, or field commissioning activities.

About the Company

Vertiv provides critical digital infrastructure and continuity solutions for data centers, communication networks, and commercial/industrial environments.