Controls & Firmware Engineer
Exowatt
Design and implement control and firmware for scalable thermal energy storage
6 days ago ago
$125,000 - $185,000
Intermediate (4-7 years), Expert & Leadership (13+ years), Experienced (8-12 years)
Full Time
Miami, FL
Office Full-Time
Company Size
250 Employees
Service Specialisms
Modular energy systems
Thermal energy storage
Dispatchable solar power
Energy optimization
Energy arbitrage
Intelligent energy control
Energy software solutions
Renewable baseload energy
Sector Specialisms
Energy
Industrial
Commercial
Data Centers
Renewable Energy
AI Infrastructure
Thermal Energy Storage
Modular Power Systems
Role
What you would be doing
version control
embedded firmware
ci/cd
test bench
plc programming
system integration
- Implement version control best practices for branching, releases, and tagging
- Integrate different system components with Microcontroller based devices.
- Develop and test communication stacks, device drivers, and OTA update
- Configure and validate industrial communication protocols (Profinet, Ethernet/IP,
- Participate in the development of control panel design for various components of energy
- Set up and maintain a test bench / HIL environment for PLC validation.
- Develop infrastructure to run automated test suites including regression, simulation,
- Support system integration, commissioning, and field validation.
- Set up and maintain a test bench / HIL environment for validation.
- Design and implement embedded firmware in C/C++ (Rust optional) for
- Ensure deterministic, real-time operation in power and energy storage applications.
- Implement safety interlocks, alarms, and operational sequences for energy storage
- Build and maintain CI/CD pipelines (GitHub Actions or similar) for PLC code, firmware,
- Design & develop EMS/SCADA application to map controls data into historians, HMIs,
- Develop and test PLC programs (Siemens, Rockwell, or equivalent) for system,
What you bring
tia portal
rockwell studio
ci/cd
aws iot
c/c++
bachelor’s
- Proficiency with Siemens TIA Portal / Rockwell Studio 5000 (or similar).
- Experience setting up test benches, simulators, or hardware-in-the-loop systems.
- OPC UA, DNP3, MQTT).
- Experience with GitHub workflows, CI/CD pipelines, automated testing.
- Knowledge of cloud-integrated controls (AWS IoT Core, InfluxDB, Timestream,
- Exposure to energy storage standards (UL 9540, IEC 62443, IEC 61131-3, IEEE
- Bachelor’s in Electrical, Controls, Computer Engineering, or related field.
- 2–6 years of experience in PLC programming and/or embedded firmware development.
- and cloud telemetry systems for monitoring & management of the system.
- Familiarity with utility-scale energy systems or DERs.
- microcontrollers if we migrate from PLC-based controls.
- Strong coding skills in C/C++ (Rust/Python a plus).
- Apply knowledge of utility-scale energy storage systems (battery management, PCS
- DNP3, MQTT).
- Firmware (Microcontroller Path)
- interfaces, dispatch logic).
- Understanding of industrial networking and protocols (Profinet, Ethernet/IP, OPC UA,
Information not given or found
Training + DevelopmentInformation not given or found
Interview process
Information not given or found
Visa SponsorshipInformation not given or found
Security clearanceInformation not given or found
Company
Overview
- Founded with a vision to transform the energy landscape, bringing innovative solutions to power generation.
- Specializes in integrating advanced renewable energy systems for sustainable power, focusing on solar and wind.
- Delivers cutting-edge energy technologies that enhance efficiency, reduce costs, and minimize environmental impact.
- Has a track record of executing large-scale, high-impact projects across diverse geographical regions.
- Prides itself on engineering expertise, consistently pushing boundaries in renewable energy and energy storage.
- Known for providing tailored energy solutions that meet the specific needs of industrial and commercial sectors.
- Flagship projects include large solar farms and wind turbine installations in remote and urban areas alike.
- Exothermic Energy: Exonauts radiate positivity and momentum. We create warmth, drive, and a culture others want to be a part of. Our excitement is contagious.
- Resilient and Gritty: We expect setbacks and view them as sharpening stones. We push through the chaos, with grit and optimism, knowing that progress is inevitable when effort is focused.
- One Team, One Mission: We row in the same direction. We debate hard, commit fully, and help each other succeed. We celebrate wins and own losses together.
90 GWh
Backlog Demand
Backlog demand exceeds 90 GWh with planned commercial deployments in 2025 across the U.S.
438,000 tons
CO₂ Emission Reduction
Potential to reduce CO₂ emissions by up to 438,000 tons per average data center project.
$0.04 per kWh
Electricity Cost
Generates electricity at under $0.04 per kWh.
$0.01 per kWh
Long-Term Target
Aims to achieve $0.01 per kWh in the long term.
- Exowatt P3 systems offset carbon emissions without relying on rare earth minerals, supporting clean and sustainable power delivery.
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