Principal Electrical Engineer

About us Graphcore is one of the world’s leading innovators in artificial intelligence compute. We are developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and support the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of a family of companies responsible for some of the world’s most transformative technologies. Together, we share a bold vision to enable advanced artificial intelligence and ensure its benefits are accessible to everyone. Graphcore brings together AI researchers, silicon designers, software engineers and systems architects to solve complex technical challenges and deliver innovative computing solutions. Job Summary The Principal Electrical Engineer will be a technical authority within Data Center Engineering, leading the architecture and delivery of safe, resilient and scalable electrical infrastructure for high-density AI computing environments. Working with internal teams, data center developers, utilities, consultants and equipment partners, this role will guide projects from early technical studies through design, construction, commissioning, operation and lifecycle improvement. The successful candidate must reside in, or be willing to relocate to, Austin, Texas. Approximately 10% travel may be required. The Team The Data Center Engineering team is responsible for defining and enabling the infrastructure needed to deploy and operate Graphcore’s computing systems at scale. The team works across electrical, mechanical, thermal, controls, systems and operational disciplines, collaborating with external engineering and construction partners to deliver reliable, efficient and maintainable data center environments. Responsibilities and Duties • Act as the technical authority for electrical engineering across data center infrastructure projects, from the utility or on-site power source through to the IT rack. • Lead electrical architecture development through conceptual studies, detailed design, construction, commissioning, operation and lifecycle improvement. • Develop electrical standards, specifications, reference designs, qualification plans and acceptance criteria for power distribution and conversion systems. • Define electrical protection and safety approaches for AC and DC systems, including fault detection, interruption, isolation, grounding, stored energy, insulation monitoring, lockout and safe maintenance. • Develop resilient power solutions for highly dynamic AI and high-performance computing loads, including ride-through, short-duration energy buffering, backup generation, energy storage and utility interconnection. • Evaluate established and emerging power conversion, protection, control and energy-storage technologies, making clear recommendations based on safety, reliability, efficiency and maintainability. • Lead technical due diligence, design reviews, failure-mode assessments, factory and site acceptance testing, site inspections and commissioning activities. • Direct engineering consultants and technology partners, ensuring that designs, calculations, specifications and construction documentation meet project requirements. • Develop and manage owner’s project requirements and review consultant deliverables, submittals, requests for information and proposed technical changes. • Collaborate with construction partners during the delivery of laboratory and data hall spaces, supporting site reviews, technical issue resolution and project risk management. • Partner with teams across IT, silicon, mechanical, thermal, controls, operations and sustainability to resolve cross-disciplinary design challenges. • Support operational readiness, incident investigation