Principal UEFI Firmware Engineer

About us Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. Job Summary We are seeking an experienced Staff UEFI Engineer to design, develop, and deploy UEFI-based firmware for Graphcore’s hyperscale AI server platforms. This role focuses on developing system firmware responsible for platform initialization, hardware configuration, and reliability features across large-scale data center deployments. The Team Graphcore is a globally recognised leader in Artificial Intelligence computing systems. The company designs advanced semiconductors and data centre hardware that provide the specialised processing power needed to drive AI innovation, while delivering the efficiency required to support its broader adoption. The Firmware Engineering team develops the foundational firmware responsible for platform initialization, hardware configuration, and system reliability across Graphcore’s AI compute infrastructure. The team collaborates with silicon engineering, hardware design teams, BMC firmware teams, validation engineers, and platform architects to enable reliable server platform bring-up and operation. Responsibilities and Duties • Design, develop, and deploy UEFI-based firmware for hyperscale server platforms. • Collaborate with ODM partners throughout the design lifecycle from concept to mass production. • Integrate UEFI firmware into CI/CD pipelines enabling automated builds, regression testing, and static analysis. • Develop firmware functionality supporting platform initialization including CPU, memory, PCIe, and system interconnects. • Implement system firmware security features including root of trust, secure boot chains, and signed firmware updates. • Develop platform firmware features supporting server reliability, availability, and serviceability (RAS). • Build firmware interfaces supporting telemetry, firmware updates, and system management capabilities. • Collaborate with hardware, BMC, security, and validation teams to ensure full platform integration. • Debug and perform root cause analysis for firmware and hardware issues across lab and production environments. Candidate Profile Essential • Bachelor’s or Master’s degree in Electrical Engineering , Computer Engineering, Computer Science, or related discipline. • Strong experience developing UEFI or BIOS firmware for server platforms. • Expertise with UEFI, TianoCore , and firmware architecture design. • Strong experience developing firmware solutions for hyperscale or cloud data center environments. • Strong programming skills in C/C++. • Deep understanding of DDR memory training, cache coherency protocols, and PCIe subsystems. • Strong knowledge of server platform architecture including power delivery, thermal management, sensors, and FRUs. • Experience implementing CI/CD pipelines for firmware development. • Experience debugging system firmware using logic analyzers, JTAG, GDB, and similar tools. Desirable • Experience developing UEFI firmware for ARM-based