Security Engineer, Infrastructure Security

OpenAI is hiring a Security Engineer for its Infrastructure Security team, working remotely. The role focuses on protecting the systems that support research and production, including cloud infrastructure, datacenters, networking, storage, Kubernetes, and services handling sensitive model and user data. The engineer will create and improve security controls across hardware, firmware, operating systems, containers, networks, and CI/CD, and will work with other teams to roll out security changes at scale. This position suits someone with strong security fundamentals, broad technical ability, and a proactive approach to building defenses for complex, fast-changing environments.