Architect, build, and maintain AWS cloud infrastructure supporting Linea Mainnet/L2 nodes and supporting services. Design and optimize Kubernetes clusters for scaling, resiliency, and healthy node operations, leveraging Karpenter autoscaling and spot instance capabilities. Implement infrastructure-as-code using Terraform for reproducible, secure, and audit-ready deployments. Own monitoring, alerting, and observability pipelines (Grafana, Prometheus, Loki) for end-to-end production health and actionable insights. Drive automation of deployment and operational workflows, enabling zero-downtime upgrades and rapid rollbacks. Participate in incident response, root cause analysis, and postmortem reporting for production blockchain services. Collaborate closely with engineering teams to identify opportunities for reliability and performance improvements. Document infrastructure, operational protocols, and DevOps best practices, ensuring knowledge sharing and team alignment. Stay current with new tools and cloud advancements relevant to blockchain, DevOps, and Kubernetes ecosystems.