Staff Security Engineer, Infrastructure

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About this role

Staff Security Engineer, Infrastructure San Francisco fal is the generative media ecosystem powering the next generation of AI products. We build the infrastructure, tools, and model access that teams need to move from idea to production, and do it at scale without compromise. For developers and enterprises, fal is the foundation that makes generative media not just possible, but practical: a unified platform where high-performance inference, orchestration, and observability come together to unlock new categories of AI-native products. As generative media reshapes industries across a market projected to grow by hundreds of billions over the next decade, fal is becoming the ecosystem that ambitious teams build on. About the Role We're looking for a Security Engineer, Infrastructure to secure the core systems that power fal.ai's platform: GPU compute, multi-cloud environments, networking, and data pipelines. You'll operate across the full stack, from cloud and Kubernetes to identity, networking, and secrets, designing and implementing security controls that scale with a high-performance AI platform. This role is highly hands-on and systems-oriented, sitting at the intersection of security, infrastructure, and distributed systems. What You'll Do Build & Harden Infrastructure Security Design and implement security controls across: - Cloud infrastructure - Kubernetes and containerized workloads - Networking, service meshes, and edge systems - CI/CD pipelines and deployment systems - Secure compute environments for GPU workloads and model execution Identity, Secrets & Access - Machine identity and workload authentication - Secrets management and encryption (e.g., Vault, KMS) - Least-privilege access and short-lived credentials - Implement Zero

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