Controls & Firmware Engineer

Uloop Inc.; Miami (FL); On-site; USD 125,000 - 185,000; Full time

Benefits offered by this job

Relocation assistance

Equity options

Health benefits

Retirement plans

Job summary

Exowatt Inc. in Miami, FL is seeking an Associate/Embedded Engineer to develop PLC software and embedded firmware for energy storage systems. You will implement safety interlocks, test control software, and contribute to EMS/SCADA interfaces while maintaining robust CI/CD practices.

The role requires PLC and firmware experience, familiarity with Siemens TIA Portal and Rockwell Studio 5000, strong C/C++ skills, and knowledge of industrial networking. Relocation assistance is provided.

Qualifications

• Bachelor’s in Electrical, Controls, Computer Engineering, or 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).
• Strong coding skills in C/C++ (Rust/Python a plus).
• Experience with GitHub workflows, CI/CD pipelines, automated testing.
• Familiarity with utility-scale energy systems or DERs.
• Understanding of industrial networking and protocols (Profinet, Ethernet/IP, OPC UA, DNP3, MQTT).

Responsibilities

• Develop and test PLC programs for system, module, and site-level controllers.
• Design and implement embedded firmware in C/C++ for microcontrollers; ensure real-time operation.
• Build and maintain CI/CD pipelines for PLC code, firmware, and test automation.
• Map controls data into historians, HMIs, and cloud telemetry; support integration, commissioning, and field validation.

Skills

PLC programming

Embedded firmware

C/C++

Rust

Python

GitHub workflows

CI/CD pipelines

Automated testing

Industrial networking

Education

Bachelor’s in Electrical/Controls/Computer Engineering

Tools

Siemens TIA Portal

Rockwell Studio 5000

GitHub

Job description

Overview Exowatt is revolutionizing the energy landscape for the AI era with our groundbreaking P3 system that captures solar energy, stores it as heat, and generates electricity on demand. Founded in 2023 and backed by leading investors including Andreessen Horowitz, Sam Altman, and Felicis, we're committed to providing clean, modular, and scalable power that meets the rapidly growing demands of AI infrastructure. Our mission is to make sustainable renewable energy always available and almost free, enabling technological advancement while protecting our planet.

This position is based in Miami, FL. If selected, relocation to Miami, FL is required. Exowatt provides relocation assistance.

Key Responsibilities

• Controls (PLC Path): Develop and test PLC programs (Siemens, Rockwell, or equivalent) for system, module, and site-level controllers. Implement safety interlocks, alarms, and operational sequences for energy storage modules. Configure and validate industrial communication protocols (Profinet, Ethernet/IP, OPC UA, DNP3, MQTT). Integrate different system components with Microcontroller based devices. Set up and maintain a test bench / HIL environment for PLC validation.
• Firmware (Microcontroller Path): Design and implement embedded firmware in C/C++ (Rust optional) for microcontrollers if we migrate from PLC-based controls. Develop and test communication stacks, device drivers, and OTA update mechanisms. Ensure deterministic, real-time operation in power and energy storage applications.
• DevOps & CI/CD: Build and maintain CI/CD pipelines (GitHub Actions or similar) for PLC code, firmware, and test automation. Implement version control best practices for branching, releases, and tagging in safety-critical builds. Develop infrastructure to run automated test suites including regression, simulation, and hardware-in-the-loop.
• Apply knowledge of utility-scale energy storage systems (battery management, PCS interfaces, dispatch logic). Participate in the development of control panel design for various components of the energy storage system. Design & develop EMS/SCADA applications to map controls data into historians, HMIs, and cloud telemetry systems for monitoring & management of the system. Support system integration, commissioning, and field validation.

Qualifications

• Bachelor’s in Electrical, Controls, Computer Engineering, or 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).
• Strong coding skills in C/C++ (Rust/Python a plus).
• Experience with GitHub workflows, CI/CD pipelines, automated testing.
• Familiarity with utility-scale energy systems or DERs.
• Understanding of industrial networking and protocols (Profinet, Ethernet/IP, OPC UA, DNP3, MQTT).

Preferred Skills

• 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 test benches, simulators, or hardware-in-the-loop systems.

Compensation

Compensation$125,000 - $185,000 a year

What We Offer

• Competitive salary and equity options.
• Comprehensive benefits package, including health, dental, and retirement plans.
• A dynamic work environment that fosters creativity and innovation.
• Opportunities for professional growth and development in a rapidly evolving industry.
• Relocation assistance.

Seniority levelAssociateEmployment typeFull-time