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# Firmware Engineer

- **Company:** Sentient Energy
- **Location:** Frisco, TX, United States
- **Experience:** Experienced
- **Salary:** $60,000.0 - $120,000.0
- **Contract:** Permanent contract
- **Skills:** Board Bringup, C (Programming Language), 4G (Telecommunication), ARM Architecture, JIRA, Unit Testing, Bluetooth Low Energy (Bluetooth), Booting (BIOS), C++ (Programming Language), Code Review, Computer Engineering, Software Debugging, Software Design Documents, Linux, Memory Management, Ethernet, Firmware, FreeRTOS, Hardware Interface Design, Joint Test Action (IEEE Standards), Python (Programming Language), MISRA C (C Programming Language), Network Protocols, Real-Time Operating Systems, Signal Processing, Software Requirements Analysis, System Programming, System Testing, TCP/IP, Universal Asynchronous Receiver/Transmitter, USB, Wi-Fi Technology, Serial Peripheral Interface, PIC Microcontroller, Real Time Systems, Git, Integration Tests, Information Technology, Production Code, Bare Metal, Software Coding, Software Version Control
- **Published:** July 17, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=71fa8d19ac6347dd

## About the Role

* Bachelor's or master's degree in electrical engineering, Computer Engineering, Computer Science, or related field
 * 3+ years of experience in firmware development
 * Strong proficiency in C programming
 * Experience working with microcontrollers or SoCs (e.g., ARM Cortex-M, STM32, etc.)
 * Experience with hardware interfaces such as SPI, I2C, UART, Ethernet, USB
 * Familiarity with RTOS concepts (Zephyr, FreeRTOS, etc.)
 * Experience with embedded debugging tools
 * Understanding of hardware schematics and electronics fundamentals
 * Experience with version control systems (Git) and issue-tracking software (Jira)

What Will Put You Ahead?

 * Experience with bootloaders, OTA firmware updates, and secure firmware
 * Knowledge of networking protocols (TCP/IP, DNP3, etc.)
 * Knowledge of wireless protocols (BLE, Wi-Fi, 4G/5G, LoRa, etc.)
 * Knowledge of signal processing techniques
 * Experience with Linux, Python, C++
 * Familiarity with CI/CD pipelines for firmware development
 * Experience with low-power design techniques
 * Knowledge of MISRA C or other coding standards

Key Skills

 * C programming language
 * Microcontroller architecture
 * Hardware/firmware integration
 * Real-time systems
 * Debugging and testing
 * Firmware optimization

## Description

Sentient Energy is looking for a Firmware Engineer to design, develop, and maintain firmware used in our products. The ideal candidate will have strong experience in low-level programming, microcontrollers, hardware interfacing, and real-time systems. You will work closely with hardware engineers, software teams, and product managers to build reliable and efficient firmware solutions., * Design, develop, and debug firmware for microcontroller-based products

 * Write efficient, reliable code in C for resource-constrained devices
 * Develop drivers and interfaces for peripherals such as SPI, I2C, UART, Ethernet and GPIO
 * Implement and maintain RTOS-based and bare-metal devices
 * Collaborate with hardware engineers during board bring-up and debugging
 * Collaborate with Quality Assurance during validation
 * Translate system requirements and design documents into executable firmware
 * Optimize firmware for performance, memory usage, and power efficiency
 * Develop and execute unit tests, integration tests, and system validation
 * Debug issues using tools such as oscilloscopes, logic analyzers, and JTAG debuggers
 * Document firmware architecture, code, and development processes
 * Participate in code reviews and contribute to continuous improvement of development practices


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