Senior firmware engineer Work, Jobs (with Salaries)

Senior Firmware Engineer
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- Full-time
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Spire Global —Glasgow
- Hybrid work
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- Hybrid work
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Camlin Group —Lisburn
- Full-time
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Chemify Ltd —Glasgow
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Warwick HR —Warwick
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Senior Software Engineer
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Senior Mechanical Engineer
Qualitrol —Glasgow
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Senior Electronics Engineer
Leonardo UK Ltd —Edinburgh
- £45,000 - £61,950 a year
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- Continuous improvement
- Flexible schedule
- Referral programme
Senior Embedded Software Engineer (Firmware)
Riverlane —London
- £70,000 - £90,000 a year
- Full-time
- Computer Science
- C++
- Bachelor's degree
- Annual leave
- Life insurance
Quick apply

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Senior Firmware Engineer

Arctic Research and Development
Cirencester

Apply Now

Job details

Full-time
8 days ago

Benefits

Private medical insurance

Qualifications

TCP
Engineering
Firmware
Git
C++
C
Computer networking
ARM
Unit testing
TCP/IP
Debugging

Full job description

SENIOR FIRMWARE ENGINEER

FULL-TIME | ENGINEERING

LOCATION: CALMSDEN, CIRENCESTER, UK - ONSITE, WITH FIELD TRAVEL

THE LAST FRONTIER

The Arctic is a place of extremes: unforgiving, untamed, and undergoing rapid change. A literal defrosting reveals a multi-trillion-dollar opportunity spanning energy, defence, logistics, research, and infrastructure.

ARD was founded on a paradox. The Arctic is both the next great economic frontier and one of the most hostile environments on Earth. Rich in resources and strategically vital, yet bone-chillingly cold, dark for months, and fundamentally inhospitable to humans. This paradox—an explosion of activity in a place that resists human presence—is why we exist. Our solution is autonomy.

We build systems that operate reliably and intelligently in the Arctic, so that humans don't always have to.

Founded by record-holding pioneers with decades of polar experience, we take calculated risks on hard problems that matter. If you want to build and deploy ground-up technology with real-world impact, at an inflection point in history that won’t reappear, we’d like to talk.

THE ROLE
We’re looking for a Senior Firmware Engineer to join our small team to help develop high-reliability firmware for deployment into some of the most challenging places on earth. You will be writing firmware for embedded processors (ARM M4, M33 etc) interfacing with sensors and other products via SPI, I2C, TCP/IP, LoRA, UART and much more. You will have a real impact being responsible for firmware architecture, coding, testing and debugging across the ARD products. We want you to use your knowledge and experience to make key decisions and challenge other team members to make high quality products suitable for use in the Arctic.

CORE RESPONSIBILITIES

Design & Development — Design, develop, and maintain embedded firmware for microcontrollers and microprocessors, writing efficient, reliable, and well-documented code primarily in C/C++ or assembly language.
Hardware Integration — Collaborate closely with hardware engineering teams to integrate firmware with electronic components, including sensors, communication interfaces (UART, SPI, I2C, CAN), and peripheral devices.
Testing & Debugging — Perform unit testing, integration testing, and system-level validation of firmware, using tools such as oscilloscopes, logic analyzers, JTAG debuggers, and emulators to diagnose and resolve issues.
RTOS & Boot Systems — Develop and optimize real-time operating system (RTOS) configurations, bootloaders, and interrupt-driven systems to meet strict timing and performance requirements.
Code Quality & Version Control — Maintain high standards of code quality through peer reviews, adherence to coding standards, and use of version control systems (e.g., Git) to manage firmware releases and revisions.
Cross-functional Collaboration — Work alongside software, mechanical, and QA teams throughout the product development lifecycle, contributing to technical documentation, design reviews, and supporting regulatory or compliance testing as needed.

WHAT WE VALUE

5+ years of embedded firmware development experience in C for ARM or equivalent processors. Priori experience with the STM32 family of processors is desirable.
Proven track record developing and delivering firmware from creating requirements, architecture design, implementation through to release including use of Git
Experience working with SPI, I2C, UART protocols is essential
Experience with RTOS and bare-metal design, in particular using FreeRTOS and Zephyr
Understanding of bootloaders and OTA for updating multi-processor products
Experience debugging on real hardware and confidence using basic equipment such as logic analysers and oscilloscopes
TCP/IP and networking experience is a bonus but not essential
Degree in a related engineering discipline such as firmware, software or electronics is a plus however not essential. Experience is highly valued!
Willingness to test in the field to prove functionality and compliance
Self-driven attitude and confidence working in a startup where you will be the subject matter expert.

NICE TO HAVE

Understanding of electronics design such as how to read a schematic and soldering.

WHAT WE OFFER

Competitive compensation
Private Health Insurance
Dental & Optician
Meaningful equity package reflecting early-stage contribution
Real field exposure – travel to Arctic sites and Outposts when needed
Mission-driven culture – focus on impact, not hours logged.

A note on who we want to hear from
We're building for one of the most demanding environments on Earth and we believe diverse teams build more resilient systems. We actively welcome applications from people who are underrepresented in engineering - whether that's by gender, ethnicity, disability, or background. If you're not sure you meet every requirement, apply anyway and tell us what excites you about the problem.

Apply Now

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