Senior Firmware Engineer

Senior Firmware Engineer in MILTON (CB24), CB4 0WG | Smart Component Technologies Ltd Find a job Post a job Sign up Tired of searching? Let’s find you the right jobs faster Get Started Search These jobs were popular with other job seekers Senior Software Engineer Bright Purple Resourcing Edinburgh (EH1) Up to £65,000 1 week ago Embedded Engineer Bright Purple Resourcing Aberdeen (AB10) £40,000 - £70,000 2 weeks ago Embedded Engineer Bright Purple Resourcing Aberdeen (AB10) £40,000 - £70,000 1 day ago Senior Electronics Engineer Hackajob Ltd Edinburgh (EH1) Competitive 5 days ago C++ Software Engineer (Embedded Systems) ZENOVO LTD Cambridge, Cambridgeshire, CB1 2JW Up to £60,000 + Bonus & Benefits (Depending on Experience) 19 hours ago NEW Power and Performance Engineer, PAI Platforms and Performance Analysis ARM Cambridge, Cambridgeshire 1 month ago Principal Electronics and Software Engineer ECM Selection Ltd. Cambridge, Cambridgeshire Up to £80,000 per annum DoE + Benefits 3 weeks ago Principal Embedded Software Engineer ZENOVO LTD Bristol Area 1 week ago Distinguished Engineer ARM Cambridge, Cambridgeshire 1 month ago Senior Embedded and Platform Software Engineer, Workforce Development ARM Cambridge, Cambridgeshire 1 month ago Senior Firmware Engineer Smart Component Technologies Ltd MILTON (CB24), CB4 0WG Permanent Contract; On-site Published: 2 weeks ago From £50,000 to £55,000 per annum Apply Save Senior Firmware Engineer Smart Component Technologies Ltd Apply Company Description: Smart Component Technologies Ltd designs and builds IoT monitoring solutions for the rail, energy and mining industries, putting sensing and intelligence into environments where conventional equipment struggles. Job Description: We are seeking a highly skilled Senior Firmware Engineer for our firmware development team. The ideal candidate will have extensive experience in IoT, a strong background in hardware, proficiency in C/C++ and Python, and the breadth to work with device data from the sensor through to the cloud . The successful candidate will be responsible for the firmware development process, ensuring the delivery of robust and efficient code, and collaborating with cross-functional teams to drive innovation. This role offers an exciting opportunity to lead a small team of firmware engineers, work on cutting-edge IoT projects, and make a significant impact on our products. The successful candidate will take o n our established firmware platform, its test regime and the code that processes data coming off our devices , with a structured handover and support from the existing team. If you are passionate about embedded systems, have a strong technical background, and thrive in a collaborative environment, we encourage you to apply. Key Responsibilities: 1. Contribute to firmware development, sharing technical knowledge and best practice with other team members. 2. Design, develop, and maintain embedded firmware for IoT devices using C/C++ and Python 3. Collaborate with hardware engineers to ensure seamless integration between firmware and hardware 4. Implement and optimise communication protocols such as MQTT and LoRaWAN 5. Integrate firmware solutions with cloud platforms, such as AWS IoT Core 6. Analyse and debug complex hardware and firmware issues 7. Maintain existing codebases, improving documentation and code quality where required 8. Implement version control best practices, CI/CD and utilise static code analysis tools to ensure code stability 9. Continuously explore and evaluate new technologies to improve product performance and functionality 10. Maintain and develop the firmware test regime, including unit, integration and on-hardware testing, and the validation process used ahead of each release 11. Build and maintain the software modules that decode and unpack raw device payloads into structured, validated data 12. Interrogate device data where needed to validate firmware behaviour and diagnose field issues, and support colleagues undertaking wider data analysi s Qualifications: 1. Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field 2. Typically 5+ years of experience in production quality embedded firmware development 3. Strong proficiency in C/C++ and Python programming 4. Strong experience with STM32 microcontrollers and the surrounding toolchain (or a comparable ARM Cortex-M family) 5. Strong familiarity with IoT protocols, such as MQTT and LoRaWAN 6. Experience with cloud integration, preferably with AWS IoT Core 7. Excellent debugging skills for hardware and firmware issues 8. Familiarity with version control systems (e.g., Git) and static code analysis tools 9. Strong problem-solving skills 10. Excellent communication and team working skills 11. Experience defining and implementing firmware test approaches, including automated and on-hardware testing 12. Experience with binary protocol design and decoding of packed sensor payloads Desirable Skills: Domain knowledge within the rail , energy or mining sectors Experience in implementing low-power modes and optimising power consumption Comfort analysing device data in Python (e.g. pandas) to support engineering and product decisions Familiarity with real-time operating systems (RTOS) and their implementation Familiarity with designing, implementing and maintaining OTA firmware update mechanisms Experience with wireless communication technologies (e.g., BLE, Wi-Fi) Understanding of secure coding practices and encryption algorithms Engagement with the wider embedded or IoT community, for example open-source contributions, talk s or technical writing Working Arrangements: Location: Cambridge Science Park, Cambridge. Hours: Monday to Friday, 08:30 to 17:30. Benefits: 25 days holiday + bank holidays Birthday day off Health Insurance Death in Service Insurance Join us if you’re passionate about pushing the boundaries of embedded technology! We value innovation-driven professionals eager to make a tangible impact through their expertise in firmware engineering—helping shape the future of connected devices worldwide! Please note we are not able to offer visa sponsorship. Apply Smart Component Technologies Ltd Other Sectors and Industries 1 Job Similar Senior Firmware Engineer Jobs Popular with Other Job Seekers Senior Software Engineer Bright Purple Resourcing Edinburgh (EH1) Up to £65,000 1 week ago Embedded Engineer Bright Purple Resourcing Aberdeen (AB10) £40,000 - £70,000 2 weeks ago Embedded Engineer Bright Purple Resourcing Aberdeen (AB10) £40,000 - £70,000 1 day ago Senior Electronics Engineer Hackajob Ltd Edinburgh (EH1) Competitive 5 days ago C++ Software Engineer (Embedded Systems) ZENOVO LTD Cambridge, Cambridgeshire, CB1 2JW Up to £60,000 + Bonus & Benefits (Depending on Experience) 19 hours ago NEW Power and Performance Engineer, PAI Platforms and Performance Analysis ARM Cambridge, Cambridgeshire 1 month ago Principal Electronics and Software Engineer ECM Selection Ltd. Cambridge, Cambridgeshire Up to £80,000 per annum DoE + Benefits 3 weeks ago Principal Embedded Software Engineer ZENOVO LTD Bristol Area 1 week ago Distinguished Engineer ARM Cambridge, Cambridgeshire 1 month ago Senior Embedded and Platform Software Engineer, Workforce Development ARM Cambridge, Cambridgeshire 1 month ago Senior Firmware Engineer jobs Senior Firmware Engineer jobs in Cambridge IT jobs IT jobs in Cambridge Software Development jobs Software Development jobs in Cambridge Jobs in Cambridge Computer Engineer jobs Senior Engineering Manager jobs Senior Software Engineering jobs Senior Developer jobs Firmware Engineer jobs Senior Network Engineer jobs Senior Electronic Design Engineer jobs Senior Control Systems Engineer jobs Senior Engineer jobs Junior Software Engineer jobs Senior Applications Engineer jobs Senior Software Engineer jobs Senior Embedded Software Engineer jobs Senior Site Engineer jobs Senior System Engineer jobs Senior Design Engineer jobs Get hired. Find success. Get started Totaljobs About us Careers at Totaljobs Press Partners Privacy policy Terms and conditions Cookies Legal and compliance Accessibility Jobseekers Salary Planner Jobseeker help centre Career advice Recruiters Post job ads Recruiting news Courses Contact us - recruiters Recruit internationally Download App store Play store The Stepstone Group UK Ltd © 2026 We use cookies We use cookies to operate our website, measure how people use our services to help us improve them, enrich usage profiles and personalise the content displayed to you. We also share information about your use of our site with our social media, advertising, and analytics partners, who may combine it with other information, to show you relevant ads on other websites, and to measure the performance of our advertising. Some cookies are essential for the operation of our website. If you would prefer us not to use the non-essential cookies, click “Just necessary”, but please be aware that this may impact your experience of our site and the services we are able to offer. Click “Accept” if you’re happy for us to place these cookies. You can change your mind at any time. Store and / or access information on a device Cookies, device identifiers, or other information can be stored or accessed on your device for the purposes presented to you. Personalised ads and content, ad and content measurement, audience insights and product development Ads and content can be personalised based on a profile. More data can be added to better personalise ads and content. The performance of ads and content can be measured. Insights about audiences who have viewed the ads and content can be extracted. Data can be used to build or improve user experience, systems and software. Display third-party content (social networks, videos) Content from social networks and embedded content from third-party providers can be displayed. Identifiers derived from authentications If an identifier is created based on authentication data, such as contact details associated with online accounts you have set up on websites or apps (e.g. email address, phone number) or customer identifiers (e.g. an identifier provided by your telecommunications provider), then this identifier can be used to recognize you across websites, apps and devices if you are logged in with the same contact details. Just Necessary Accept All Cookie Settings You can also exercise your right to object to data processing based on legitimate interests under “Privacy Policy”. Privacy Policy Cookie policy