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# Firmware Engineer

- **Company:** HIRENETWORKS
- **Location:** Morrisville, NC, United States
- **Experience:** Expert
- **Salary:** $124,800.0 - $137,280.0
- **Contract:** Temporary contract
- **Skills:** LTE (Telecommunication), Microsoft Azure, Booting (BIOS), Software Debugging, Embedded C, Linux on Embedded Systems, Firmware, FreeRTOS, Python (Programming Language), Real-Time Operating Systems, LoRaWaN, Toolchain, Wi-Fi Technology, Scripting, PIC Microcontroller, Claude Code, Git, Yocto, Git Flow, U-Boot
- **Published:** October 8, 2026
- **Apply:** https://www.thejobnetwork.com/job/64504d1d-069a-4422-8f07-90367a61bce8/senior-firmware-engineer

## About the Role

* Bachelor of Science in Computer Engineering, Computer Science, Electrical Engineering, or related field, OR equivalent professional experience demonstrated through work history and examples of delivered firmware projects.

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 * 10+ years of professional embedded C development for microcontrollers.

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 * 5+ years of hands-on experience developing with a real-time operating system (Zephyr, FreeRTOS, ThreadX/Azure RTOS, or similar), including threading, synchronization, interrupt handling, and memory-constrained design.

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 * Hands-on experience with ST STM32 and/or Nordic nRF microcontrollers and their SDKs/toolchains (e.g., STM32Cube, nRF Connect SDK).

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 * Ability to read schematics, hardware datasheets, and reference manuals, and implement firmware drivers from them.

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 * Proficiency with embedded debugging tools: J-Link/ST-Link debug probes, multimeters, oscilloscopes, and logic analyzers.

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 * Experience with version control using Git, including branching strategies and pull request workflows.

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 * Demonstrated ability to come up to speed quickly on unfamiliar codebases and microcontroller families.

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 * Strong written and verbal communication skills necessary to interact with project managers and clients.

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 * Ability to prepare credible task-level work estimates., * 5+ years of hands-on Zephyr RTOS experience, including custom board support, devicetree, Kconfig, west, and driver development.

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 * Experience with additional microcontroller families: TI (MSP430, CC13xx/CC26xx), Renesas (RA/RX), NXP (i.MX RT, LPC, Kinetis), Espressif (ESP32/ESP-IDF).

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 * Experience developing wireless products (BLE, Wi-Fi, cellular LTE-M/NB-IoT, LoRa/LoRaWAN).

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 * Experience with bootloaders, DFU/FOTA, and secure boot (e.g., MCUboot, signed updates).

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 * Experience with Yocto/embedded Linux.

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 * Prior consulting or contract engineering experience supporting multiple concurrent clients.

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 * Python or other scripting languages for test, tooling, or automation.