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Embedded Firmware Engineer
Job in
Lebanon, Grafton County, New Hampshire, 03756, USA
Listed on 2026-07-13
Listing for:
Simbex, LLC
Full Time
position Listed on 2026-07-13
Job specializations:
-
Software Development
Embedded Systems/ Firmware/ IoT, Embedded Software Engineer, C++ Developer, Software Engineer
Job Description & How to Apply Below
Responsibilities Firmware Development
- Design, develop, and maintain embedded firmware using C/C++
- Develop firmware for ARM Cortex-M microcontrollers using an RTOS (Zephyr preferred)
- Implement drivers and interfaces for peripherals including SPI, I2C, UART, USB, and GPIO
- Support board bring-up and hardware integration activities
- Develop Bluetooth Low Energy (BLE) applications for device communication and configuration
- Implement over-the-air (OTA) firmware update capabilities
- Support cloud connectivity using IoT communication protocols such as MQTT or CoAP
- Optimize firmware for low-power operation
- Integrate IMUs and other embedded sensors into production firmware
- Support sensor fusion and motion-processing algorithms
- Collaborate with algorithm developers to implement and optimize embedded solutions
- Develop and execute unit, integration, and system-level tests
- Troubleshoot firmware and hardware integration issues
- Contribute to CI/CD workflows and software quality practices
- Maintain technical documentation and support product verification activities
- BS in Computer Engineering, Electrical Engineering, Embedded Systems, or related field
- 3-6 years of embedded firmware development experience
- Strong C/C++ programming skills
- Experience developing firmware for ARM Cortex-M microcontrollers
- Experience with an RTOS (Zephyr preferred)
- Experience with SPI, I2C, UART, USB, GPIO, and embedded peripherals
- Experience with Bluetooth Low Energy (BLE)
- Strong debugging and problem-solving skills
- Experience with Zephyr RTOS
- Experience with MCUboot or OTA firmware updates
- Experience integrating IMUs or other motion sensors
- Familiarity with sensor fusion or embedded signal processing
- Experience with AWS IoT Core, Azure IoT Hub, or similar cloud platforms
- Experience developing battery-powered or wearable IoT devices
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