Workday is seeking an experienced senior infrastructure security engineer to lead the design and innovation of cloud platform and AI services security architectures, integrating advanced technologies to protect against evolving threats while enabling business agility and growth. This role involves collaborating with cross-functional teams to design and drive the secure architecture of cloud platforms, applications and AI services models including generative and agentic AI, addressing potential threats and mitigations, and maintaining compliance with regulatory standards where applicable. The ideal candidate will have a strong background in enterprise-focused cloud, infrastructure security, and AI technologies. The infrastructure security engineer will report to the Director of Security Engineering, and maintain strong working relationships across security, Business Technology and application development leadership.