Arctic Embedded Firmware Engineer — Field-Ready Impact

Arctic Research and Development; Cirencester; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Private Health Insurance

Dental & Optician

Equity package

Field travel to Arctic sites

Job summary

Arctic Research and Development in Calmsden, Cirencester (onsite) seeks a Senior Firmware Engineer to design, develop, and maintain high-reliability firmware for ARM processors and sensors. You’ll work with SPI, I2C, UART, RTOS and OTA updates, shaping firmware architecture and leading testing across ARD products.

You should have 5+ years of embedded C/C++ experience, strong hardware debugging skills, and a self-driven startup mindset. Occasional field travel to Arctic sites is expected.

Qualifications

• 5+ years of embedded firmware development in C for ARM
• Experience with SPI, I2C, UART is essential
• Experience with FreeRTOS or Zephyr RTOS
• Knowledge of bootloaders and OTA updating
• Willingness to test in the field
• Self-driven attitude in a startup environment

Responsibilities

• Design, develop, and maintain embedded firmware for microcontrollers and microprocessors; write efficient, reliable, well-documented code in C/C++ or assembly
• Hardware integration with sensors and interfaces (UART, SPI, I2C, CAN)
• Perform unit/integration/system testing; use scopes, logic analyzers, JTAG debuggers, emulators to diagnose issues
• Develop and optimize RTOS configurations, bootloaders, and interrupt-driven systems
• Maintain code quality through peer reviews and Git version control for releases
• Collaborate with software, mechanical, and QA teams; contribute to technical documentation and design reviews

Skills

Embedded firmware development

C/C++ programming

ARM microcontrollers

Git version control

RTOS (FreeRTOS, Zephyr)

Hardware debugging

SPI/I2C/UART protocols

Bootloaders/OTA

Field testing

Startup-ready mindset

Education

Engineering degree (firmware/electronics)

Tools

JTAG debuggers

Oscilloscopes

Logic analyzers

Networking (TCP/IP)

Job description

Arctic Research and Development in Calmsden, Cirencester (onsite) seeks a Senior Firmware Engineer to design, develop, and maintain high-reliability firmware for ARM processors and sensors. You’ll work with SPI, I2C, UART, RTOS and OTA updates, shaping firmware architecture and leading testing across ARD products.

You should have 5+ years of embedded C/C++ experience, strong hardware debugging skills, and a self-driven startup mindset. Occasional field travel to Arctic sites is expected.