Proofpoint is seeking an SRE to deploy, manage, and scale distributed platforms across regions, design and maintain Kubernetes infrastructure and Helm charts, implement observability (Grafana, Prometheus, etc.), improve reliability and performance through automation, support CI/CD and incident response, and troubleshoot production issues. Requires 4–5 years experience in SRE/DevOps, strong Kubernetes, Terraform, AWS, Helm, and scripting skills.