Job Specification: Solution Architect - NVIDIA Cluster (End-to-End Design andamp; Validation) Location: London (1 day per week onsite) Travel: Occasional travel to datacenter sites outside the UK Engagement: Contract Inside IR35 Department: Engineering/Advanced Compute Role Overview We are seeking a highly skilled Solution Architect with deep experience in designing, validating, and delivering end-to-end NVIDIA GPU clusters in enterprise and hyperscale environments. This individual will own the full life cycle of architectural design-from requirements gathering through implementation oversight and performance validation. They will work closely with engineering, networking, DevOps, security, and datacenter operations teams to ensure high-performance, scalable, and resilient GPU infrastructure for AI, HPC, and ML workloads. The role is primarily London-based one day per week, with occasional international travel required to support datacenter design reviews, deployment validation, or site acceptance testing. Key Responsibilities Architecture andamp; Design Lead the architecture of NVIDIA GPU clusters leveraging technologies such as H100/H200, NVLink, NVSwitch, DGX, HGX, or SuperPod-class designs. Produce high-level and low-level designs (HLD/LLD), including compute, network, storage, and power/cooling considerations. Validate hardware and platform selections, ensuring architectural alignment with customer requirements and scalability goals. Design fabric architectures