Lead Controls & Firmware Engineer (Embedded)

TL;DR

Lead Controls & Firmware Engineer (Embedded/PLC): Designing and implementing control architecture for a scalable thermal energy storage system with an accent on PLC programming and embedded firmware development. Focus on building test benches, CI/CD pipelines, and ensuring real-time deterministic operation for power applications.

Location: Must be based in or be able to relocate to Austin, TX or Miami, FL

Salary: $125,000 - $185,000 a year

Company

hirify.global is a climate-tech startup providing clean, modular, and scalable power for AI infrastructure using a groundbreaking thermal energy storage system.

What you will do

• Develop and test PLC programs (Siemens, Rockwell) for system, module, and site-level controllers.
• Design and implement embedded firmware in C/C++ for microcontrollers.
• Build and maintain CI/CD pipelines and automated test suites using GitHub Actions.
• Integrate system components and develop EMS/SCADA applications for monitoring and management.
• Set up and maintain test benches and hardware-in-the-loop (HIL) environments for validation.

Requirements

• Bachelor’s degree in Electrical, Controls, Computer Engineering, or a related field.
• 2–6 years of experience in PLC programming and/or embedded firmware development.
• Proficiency with Siemens TIA Portal, Rockwell Studio 5000, or similar tools.
• Strong coding skills in C/C++.
• Experience with GitHub workflows, CI/CD pipelines, and automated testing.
• Understanding of industrial networking protocols such as Profinet, Ethernet/IP, OPC UA, DNP3, and MQTT.

Nice to have

• Exposure to energy storage standards (UL 9540, IEC 62443, IEC 61131-3, IEEE 1547).
• Knowledge of cloud-integrated controls (AWS IoT Core, InfluxDB, Timestream, CloudWatch).
• Experience setting up simulators or HIL systems.

Culture & Benefits

• Competitive salary and equity options.
• Comprehensive benefits package including health, dental, and retirement plans.
• Relocation assistance.
• Dynamic work environment that fosters creativity and innovation.