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# Embedded Software Engineer

- **Company:** Plessey Semiconductors Ltd
- **Location:** Sheffield, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Board Bringup, C++ (Programming Language), Software Debugging, Linux on Embedded Systems, Embedded Software, Firmware, Hardware Design, Joint Test Action (IEEE Standards), Real-Time Operating Systems, Software Systems, Systems Architecture, Systems Integration, Universal Asynchronous Receiver/Transmitter, Bare Metal
- **Published:** May 16, 2026
- **Apply:** https://find.jobs/jobs-near-me/embedded-software-engineer-sheffield/2771629261-2/

## About the Role

* Background in Electronic Engineering or similar discipline.
 * Experience in embedded software development (C/C++).
 * Experience with microcontrollers (e.g. STM32 or similar).
 * Experience with bare-metal and/or RTOS-based systems.
 * Comfortable reading schematics and understanding hardware design.
 * Experience with board bring-up and low-level debugging.
 * Experience using SWD/JTAG, logic analysers, and oscilloscopes.
 * Understanding of common interfaces (USB, SPI, I²C/I3C, UART).

Advantage

 * USB device development experience.
 * Familiarity with embedded Linux or Zephyr.
 * Experience supporting prototype, demo, or pre-production systems.

## Description

We are seeking a senior Embedded Software Engineer to join the Product Development team and contribute to embedded firmware development and hardware-software integration.

This is a hands-on role, working closely with the Principal Engineer and Senior Hardware Engineer to translate system architecture into reliable embedded implementations across prototypes, demos, and product platforms., * Design, implement, and maintain embedded firmware in C/C++.

 * Develop and maintain low-level drivers and application firmware.
 * Support bootloader development and firmware update functionality.
 * Implement firmware robustness, error handling, and recovery paths.
 * Support firmware bring-up on new hardware.
 * Debug hardware/firmware issues involving power, clocks, interfaces, and timing.
 * Work with schematics, PCBs, and lab equipment during development and debugging.
 * Support validation and test readiness of embedded systems.
 * Translate architectural intent into working embedded implementations.
 * Take ownership of defined subsystems with appropriate guidance.
 * Contribute to technical documentation and knowledge transfer.
 * Support integration with test environments and higher-level software systems.


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