Job Description

Cranleigh STEM is working with a leading provider of fuel cell power systems to generate clean energy in support of the global energy transition. The company is now recruiting a

Senior Embedded Software Engineer

to join its team based in Guildford on a permanent full-time basis and to help deliver on the company's long-term success.


As a

Senior Embedded Software Engineer,

you will be responsible for supporting existing and developing new products within fuel cell energy generation and integrated power solutions.


This position requires a person with extensive experience with embedded microcontrollers and software development, verification, and documentation to work within the Electronics team.

Senior Embedded Software Engineer responsibilities:

Lead the development of embedded software for innovative fuel cell and power system products. Capture and translate software requirements into well-structured architectures and maintainable code. Design, implement, and support embedded software solutions, ensuring functionality, performance, and reliability. Work cross-functionally with electronics, systems development, production, and testing teams to ensure successful product integration. Produce and maintain documentation to support software compliance, validation, and traceability. Contribute to design and safety reviews, including HAZOP, SIL, LOPA, and Cause & Effect analysis. Perform fault diagnosis, debugging, and hands-on testing using a wide range of lab equipment and tools. Provide technical support for system development and customer-specific deployments.

Senior Embedded Software Engineer requirements

Extensive experience in embedded C development, both in bare-metal and RTOS environments. Strong understanding of microcontroller systems, memory management, and optimised coding techniques. Ability to undertake practical hands-on work when required. Proficient with communications protocols such as SPI, I2C, UART, and Ethernet. Skilled in developing low-level device drivers and hardware-software interfacing. Experience in unit and system-level testing and validation. Competent with software version control systems, such as Git. Willingness to travel internationally to support product deployment and customer sites.

Desirable Qualifications

Degree (or equivalent) in Electronics, Software Engineering, or Computer Science. Experience with industrial protocols such as Modbus, CAN, and Profinet. Familiarity with Test-Driven Development (TDD) methodologies. Exposure to Python for scripting or test automation. Experience with automated testing systems or test rigs. * Previous exposure to fuel cell or electrochemical systems.