Are you an experienced Principal Firmware Engineer ready to take ownership of firmware strategy and delivery for cutting-edge laser and photonics systems? This is a senior, high-impact role where you''ll lead firmware development for advanced embedded platforms supporting industries such as medical devices, life sciences, semiconductors, space, and quantum technologies. This opportunity offers the chance to shape global firmware standards, drive innovation, and mentor teams while delivering robust, high-quality embedded solutions that meet customer and business objectives. Key responsibilities of the Principal Firmware Engineer job based in Southampton:Lead the research, development, testing, and maintenance of firmware for new and existing laser systems.Drive the creation of firmware concepts, roadmaps, and strategic plans aligned with organisational goals.Design, develop, test, and debug embedded firmware using C/C++ for complex hardware platforms.Develop algorithms for measurement data processing and create interface and communication protocol code.Implement and maintain build systems, automated testing, and continuous integration pipelines.Ensure firmware meets design, quality, reliability, and cost-effectiveness standards.Manage projects from concept and design through unit testing and handover to production.Conduct code reviews and ensure documentation captures designs, tests, policies, and procedures.Establish and maintain global best practice procedures across ..... full job details .....