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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Controls & Firmware Engineer - **Company:** Exowatt, Inc. - **Location:** Austin, TX, United States - **Experience:** Expert - **Salary:** $125,000.0 - $185,000.0 - **Contract:** Permanent contract - **Skills:** C (Programming Language), Artificial Intelligence, Amazon Web Services, Automation of Tests, C++ (Programming Language), Cloud Computing, Configuration Management, Communications Protocols, Computer Programming, Computer Engineering, Continuous Delivery, Continuous Integration, Control Panels, DevOps, Device Drivers, Embedded Software, Ethernet, Firmware, Github, Health Information Management, Hardware-In-The-Loop Simulation, Supervisory Control and Data Acquisition (SCADA), Internet Protocol, Python (Programming Language), Message Queuing Telemetry Transport (MQTT), Network Protocols, Regression Testing, Rslogix, OPC Unified Architecture, Systems Integration, Scripting, PIC Microcontroller, Tia Portal, Influxdb, Iec61131-3, Cloudwatch, Software Coding, Aws Iot, Software Version Control - **Published:** August 1, 2026 - **Apply:** https://www.careerbuilder.com/job-details/lead-controls-firmware-engineer-austin-tx-austin-tx--0cded972-5f0e-4959-9978-e8f740c23ca7 ## About the Role * 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., Alternative Energy, Amazon Web Services (AWS), Artificial Intelligence (AI), Best Practices, C Programming Language, C++ Programming Language, Cloud Computing, Commissioning, Communications Protocols, Computer Engineering, Computer Firmware, Computer Programming, Continuous Deployment/Delivery, Continuous Integration, DevOps, Device Drivers, Electricity, Embedded Programming Languages, Embedded Systems, Energy & Utilities, Ethernet, GitHub, Hardware Simulation, High Reliability, IEEE (Institute of Electrical and Electronic Engineers), IP (Internet Protocol), International Electro-Technical Commission (IEC), Internet of Things, Microcontroller, Network Protocols, Programmable Logic Controller (PLC), Python Programming/Scripting Language, Regression Testing, Simulation, Source Code/Configuration Management (SCM), Supervisory Control and Data Acquisition (SCADA), System Integration (SI), Systems Administration/Management, Telemetry, Test Automation, Test Bench, Test Plan/Schedule, Test ## Description * 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. ## Related Videos - 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