Owns reliability, scalability, observability, and incident response for a mission-critical SaaS platform. Responsibilities include 24x7 on-call support, root cause analysis, automation, AWS infrastructure design, EKS/Kubernetes and Docker operations, Terraform and Helm deployments, CI/CD maintenance, cloud networking, monitoring with Datadog, Grafana, and Prometheus, database operations, and migration toward Kubernetes. The role also develops self-healing systems, documentation, runbooks, and cross-functional customer-focused reliability practices.