Senior Firmware Engineer

Position: Senior Firmware Engineer (Permanent)
PCB Firmware Developer – Lancaster - £65,000 plus benefits

Melbreck Technical are working with a leading designer and manufacturer of specialist equipment based in the Northwest with two facilities, one of which being in Lancaster.

We are looking for a Senior PCB Firmware Developer to play a key technical role in the development of secure embedded systems based on STM
32 microcontrollers. You will be responsible for firmware design and implementation across the full product lifecycle, working closely with trusted internal teams on systems where correctness, reliability, and control are essential.

PCB Firmware Developer
- Key Responsibilities:

* Lead the development of embedded firmware for STM
32-based platforms

* Design and maintain robust firmware architectures for long-lived systems

* Develop secure, efficient firmware in C

* Perform board bring-up and low-level debugging on custom PCBs

* Debug complex issues using JTAG / SWD and other low-level diagnostic tools

* Work closely with hardware engineers to ensure secure and reliable hardware/firmware integration

* Review code and contribute to engineering standards and best practices

* Support system verification, validation, and controlled deployment

* Produce clear technical documentation appropriate for secure environments

PCB Firmware Developer - Essential

Skills & Experience:

* Significant commercial experience developing firmware for STM
32 or ARM Cortex-M microcontrollers

* Strong expertise in embedded C and C++

* Proven experience with custom PCB bring-up and fault diagnosis

* Deep understanding of microcontroller peripherals and low-level operation

* Confident use of JTAG / SWD debugging tools (e.g. ST-Link, J-Link)

* Ability to work independently, exercise sound engineering judgement, and handle sensitive technical information appropriately

PCB Firmware Developer –

What we offer:

* Permanent senior position with long-term technical responsibility

* £65,000 salary

* Work on discreet, high-impact embedded systems

* Opportunity to influence secure firmware architecture and engineering standards

* Small, trusted engineering team with strong technical focus

* Competitive salary, dependent on experience

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