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# Senior Principal Firmware Engineer

- **Company:** Paignton
- **Location:** Paignton, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), Configuration Management, Content Management Interoperability Services, Code Review, Computer Engineering, Software Debugging, Device Drivers, Embedded Software, Ethernet, Firmware, Field-Programmable Gate Array (FPGA), Hardware Design, Hardware Interface Design, Networking Hardware, Joint Test Action (IEEE Standards), Linux Kernel, Network Protocols, Real-Time Operating Systems, Strategies of Testing, Universal Asynchronous Receiver/Transmitter, Serial Peripheral Interface, PIC Microcontroller, Application Specific Integrated Circuits, Git, Software Version Control
- **Published:** September 13, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/senior-principal-firmware-engineer/47105710

## About the Role

maintainability. Required Qualifications: Bachelor's or Master's degree in Electrical Engineering, Computer Engineering or related field. Proficiency in C/C++ for embedded systems. 15 years+ experience with microcontrollers, SoCs, and real-time operating systems (RTOS). Familiarity with hardware interfaces such as SPI, I2C, UART and Ethernet. Strong debugging skills and experience with embedded development tools. Understanding of version control systems (e.g., Git) Strong communication skills to present complex ideas Preferred Qualifications: Experience with networking protocols and packet processing. Familiarity of pluggable optical transceiver MSA / CMIS specifications Knowledge of FPGA or ASIC development workflows. Familiarity with Linux kernel and device drivers. Exposure to CI/CD pipelines for embedded development. #J-18808-Ljbffr

## Description

We are seeking an experienced Firmware Engineer to join our hardware development team. You will be responsible for designing, implementing and testing embedded firmware for custom networking hardware. This role involves close collaboration with hardware engineers, software developers and QA teams to ensure seamless integration and optimal system performance. Key Responsibilities: Develop and maintain embedded firmware for optical transceiver control. Collaborate with hardware engineers to define firmware requirements and interfaces. Optimize firmware for performance, reliability, and power efficiency. Debug and troubleshoot firmware issues using tools such as oscilloscopes, logic analysers and JTAG interfaces Write and maintain technical documentation, including design specs and test plans. Guide and support the development of robust firmware development methodologies, including code reviews, testing strategies, configuration management and automation to ensure product quality and long-term


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