AI Platform Architect Lead — Cloud & Scale

EY is building a next-generation AI platform within Challenger Core to serves as a durable foundation for portable model access, scalable runtimes, and observable operations. You will shape the platform architecture, define non-functional standards, and partner with cloud, security, and product teams to deliver value. This high-impact role blends systems thinking with hands-on coding and telemetry, balancing performance, cost, and risk while guiding senior stakeholders through pragmatic