Site Reliability Engineer, Traffic Infrastructure
Core
Own the full path of internet-facing traffic from CDN edge to service, managing load balancers, service mesh, and traffic steering for millions of requests per second.
Role type
Senior Site Reliability Engineer (Traffic Infrastructure)
Builds
High-scale traffic infrastructure including CDN, anycast VIPs, load balancers, and service mesh components.
Domain
Internet-scale networking and traffic infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
TCP/IP stack expertise (BGP, anycast, ECMP, DNS-based steering, TCP, TLS, HTTP/2, HTTP/3), L7 proxy management (Nginx, HAProxy, Envoy/Istio), commercial CDN operations (Fastly, Cloudflare, Akamai, CloudFront), Linux networking internals and packet diagnosis (tcpdump, conntrack, nftables/iptables), Kubernetes networking (CNI, kube-proxy, ingress), tooling development
Preferred skills
Traffic observability (flow telemetry, RUM, synthetic probing)
Technologies
Nginx, HAProxy, Envoy, Istio, Fastly, Cloudflare, Akamai, CloudFront, tcpdump, conntrack, nftables, iptables, Kubernetes, CNI, kube-proxy
Responsibilities
Configure and tune CDN, TLS termination, and load-balancing policies; migrate proxy/CDN configuration to code with testing and staged rollouts; lead cross-layer incident investigations from anycast withdrawal to upstream issues; plan capacity and drain procedures for data center failures; participate in on-call rotation and lead incident response.
Seniority
Senior, hands-on IC
