4mo ago

USD 155,000–200,000 per year

Lead Controls & Firmware Engineer (Miami, FL)

United States·Miami,AustinFull-timelead

EngineeringEmbedded Engineer

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Quick Summary

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.

Technical Tools

EngineeringEmbedded Engineer

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.

We are looking for a Controls & Firmware Engineer to help design and implement the control architecture for our scalable thermal energy storage system. This hands-on role involves both PLC programming and embedded firmware development, giving flexibility as we evolve our platform from industrial controllers to custom microcontroller-based solutions. The engineer will also contribute to building test benches, CI/CD pipelines, and GitHub-based workflows to ensure high reliability and rapid iteration.

This position is based in Miami, FL. If hired for this role, relocation to Miami, FL is required. We provide relocation assistance.

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.

Set up and maintain a test bench / HIL environment for validation.

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

safety-critical builds.

Develop infrastructure to run automated test suites including regression, simulation,

and hardware-in-the-loop.

Energy Storage Integration

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 energy

storage system.

Design & develop EMS/SCADA application to map controls data into historians, HMIs,

and cloud telemetry systems for monitoring & management of the system.

Support system integration, commissioning, and field validation.

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).

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.

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.

Location & Eligibility

Where is the job

Miami, United States

On-site at the office

Who can apply

About this job

Pay per year: $155,000–$200,000 a year; In line with the $177,500 median for Embedded Engineer jobs on Jobera (267 salaries).
Who can apply: United States
Posted: 129 days ago
Employer: has 14 open jobs on Jobera.