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# Firmware Engineer

- **Company:** SRG
- **Location:** UK
- **Contract:** Temporary contract
- **Skills:** ARM Architecture, Unit Testing, Booting (BIOS), Event Logging, Firmware, Real-Time Operating Systems, Software Engineering, Integration Tests, Bare Metal
- **Published:** June 27, 2026
- **Apply:** https://find.jobs/jobs-near-me/firmware-engineer-united-kingdom/2842003087-2/

## About the Role

* Medical-device embedded firmware. Production firmware delivered under IEC 62304, ideally on Class II / IIa/ III devices, with the lifecycle artefacts to evidence it.
 * Embedded safety firmware. Demonstrable experience with robust state-machine control, fault detection and safe shutdown, brown-out and reset handling, sequencing, event logging, and power-on self-test.
 * Bare-metal or RTOS C / C++ on ARM Cortex-M. Comfortable on STM32, nRF, or similar low-power MCUs. Bootloader and secure-update experience useful.
 * Low-power firmware design. Battery-conscious scheduling, peripheral power gating, sleep-mode strategies for wear cycle plus recharging.
 * Sensor and actuator interfacing.
 * Verification mindset. Unit test harnesses, hardware-in-loop test rigs, traceable verification of safety-critical paths, evidence captured to Design History File (DHF) standard.

## Description

We are currently looking for a Firmware Engineer to join a Medical Device project on an initial 4/5 month contract;
What you will do

 * Take ownership of the firmware architecture, state-machine design and safety logic from the outgoing internal engineer
 * Design and implement robust state-machine control covering the full sample collection workflow
 * Build in fault detection and safe-shutdown behaviour for identified failure modes
 * Implement event logging, self-test on power-up, and battery management firmware
 * Move the device from current design to button-driven embedded operation (MVP), then to a fully verified release for tech transfer to CMO
 * Produce firmware in compliance with IEC 62304: software development plan, requirements, architecture, unit and integration tests, traceability and release notes
 * Define and run hardware-in-loop verification of safety-critical paths
 * Support tech transfer of firmware version records, source code and build environment to client's chosen CMO
 * Operate inside of ISO 13485 QMS with formal change control from the alpha prototype build onwards


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