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# Senior Embedded Software Engineer

- **Company:** Filtronic plc
- **Location:** Cambridge, UK
- **Experience:** Expert
- **Salary:** £70,771.0
- **Contract:** Permanent contract
- **Skills:** Board Bringup, Systems Engineering, ARM Architecture, User Authentication, Automation of Tests, Booting (BIOS), C++ (Programming Language), Computer Programming, Continuous Integration, Daemon Tools, Data Transmissions, Software Debugging, Linux, Device Drivers, Linux on Embedded Systems, Middleware, Embedded Software, Firmware, Field-Programmable Gate Array (FPGA), Internet Protocol Security (IP SEC), Python (Programming Language), Linux Kernel, MISRA C (C Programming Language), Radio-Frequency Identification, Real-Time Operating Systems, Simple Network Management Protocols, Software Engineering, Subsystems, Systems Integration, Universal Asynchronous Receiver/Transmitter, Openapi, SC Clearance, Containerization, Yocto, Kubernetes, Bare Metal, Build Tools, U-Boot, Restful APIs, Docker, Vulnerability Analysis
- **Published:** October 6, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5912523256

## About the Role

We're looking for an experienced embedded software engineer who can contribute across the software development lifecycle and is comfortable working close to the hardware.

Essential experience and skills:

 * Strong professional experience developing low-level embedded software and firmware.
 * Strong experience developing software using Zephyr.
 * Experience with prototype board bring-up and hardware/software integration.
 * Ability to read and interpret circuit schematics and component datasheets.
 * Strong C and C++ programming skills, including experience optimising software for CPU, memory and other resource-constrained environments.
 * Experience developing digital communications interfaces such as CAN, SPI, I²C, UART and RS422.
 * Strong debugging and diagnostic skills using tools such as oscilloscopes, logic analysers and software debugging tools.
 * Strong analytical, communication and technical documentation skills. Senior Embedded Software Engine…

Desirable experience:

 * ARM Cortex-M and Cortex-A development, particularly STM32.
 * Yocto, PetaLinux or similar embedded Linux build systems.
 * Linux kernel architecture, device drivers, bootloaders, systemd and Linux services.
 * Other RTOS environments and/or bare-metal firmware development.
 * Secure networking protocols including TLS, SSH, IPSec and HTTPS.
 * Authentication, encryption, secure boot and secure firmware update mechanisms.
 * Python development.
 * Experience working with high-frequency RF systems.
 * MISRA C/C++ or other high-reliability software development frameworks.
 * Linux automation, CI/CD and automated testing.
 * Container technologies such as Docker or Kubernetes.
 * Practical experience making minor PCB modifications or attaching leads for probing and debugging.
 * Ability to obtain SC security clearance, where required. Senior Embedded Software Engine…

## Description

You will work closely with experienced RF, FPGA, hardware and systems engineers, contributing to products supporting applications across telecommunications, space, high-altitude platforms and defence. Senior Embedded Software Engine…
What you'll be doing

As a Senior Embedded Software Engineer, you will contribute to the architecture, development, integration and support of embedded software across a range of products and subsystems.

Your responsibilities will include:

 * Architecting, developing and maintaining embedded firmware using Zephyr and bare-metal environments.
 * Developing and maintaining embedded Linux systems, including Yocto-based platforms.
 * Carrying out prototype board bring-up, using software debugging techniques, oscilloscopes and logic analysers.
 * Designing and maintaining board-to-board and digital communication interfaces, including CAN, SPI, I²C, UART and RS422.
 * Developing networking interfaces and services, including REST APIs, SNMP agents and OpenAPI specifications.
 * Developing and debugging TCP/UDP communication layers and investigating low-level networking and protocol performance.
 * Developing secure communications, including authentication, encryption, secure firmware updates and system hardening.
 * Supporting vulnerability assessment and security improvement using appropriate tools and techniques.
 * Developing embedded Linux services, daemons, device drivers and communication middleware.
 * Leading technical troubleshooting and root-cause analysis of embedded networking and security issues.
 * Defining embedded software requirements, interface specifications and technical documentation.
 * Working collaboratively with hardware, FPGA and systems engineers to ensure reliable data and control interfaces. Senior Embedded Software Engine… Senior Embedded Software Engine…