Software Engineer, Traffic Infrastructure

The Cloud Infrastructure team builds and operates infrastructure behind OpenAI's products. The Traffic team owns traffic entry, movement between services, clusters, regions, and external dependencies. Work spans cloud networking, Kubernetes networking, ingress/egress gateways, proxies, load balancing, traffic steering. Role combines software engineering with production ownership, building and operating networking and traffic infrastructure across L3-L7. Projects include building gateways,control

5+ years experience building production infrastructure or distributed systems, substantial work on networking or traffic infrastructure. Depth in cloud networking, Kubernetes networking, proxies, gateways, service meshes, load balancing, or global traffic routing. Understand networking fundamentals: IP routing, TCP/UDP, DNS, NAT, TLS, HTTP/gRPC. Hands-on experience with Envoy, NGINX, Istio, Cilium or similar. Write production software in Go, Rust, C++, Python. Investigate failures, takeownership