Step into an exciting, mission-led career as a Principal FPGA Engineer, shaping secure firmware that powers high-assurance defence and cyber capabilities. If you enjoy leading complex technical work, mentoring others, and turning challenging requirements into robust, testable FPGA-based systems, this Principal FPGA Engineer role is built for you. The work is collaborative, highly technical, and genuinely impactful, with the opportunity to influence architecture from the earliest stages through verification and qualification. What You Will Do: - Lead the architecture, design, implementation, integration and verification of firmware systems built on FPGAs as a Principal FPGA Engineer.- Translate inbound user and systems needs into clear, verifiable firmware requirements, providing constructive feedback where requirements are ambiguous.- Produce high-quality firmware designs and documentation, including specification, reports and requirement traceability with verification methods.- Chair and contribute to significant technical design reviews, ensuring deliverables meet the expected standards and maturity.- Estimate delivery time and effort accurately for self and others, driving cost-effective solutions and predictable progress.- Provide specialist guidance across the engineering team, mentor firmware engineers, and champion continuous improvement in firmware development processes. What You Will Bring: - Proven experience delivering firmware on FPGA platforms using VHDL across ..... full job details .....