Senior AI Platform Architect (Cloud & Hybrid)

EY is building Challenger, a program focused on next-generation AI services, where your platform architecture work will directly impact production systems. You'll translate business needs into scalable, observable, and cost-aware infrastructure across cloud, hybrid, and edge environments. You'll mentor engineers, shape adoption-focused roadmaps, and partner with product, security, risk, and finance to balance speed with reliability. This role blends hands-on coding with strategic influence.