Monitor OpenShift cluster health, including control plane components, API responsiveness, kubelet, node status, cluster operators, etcd health, CPU, memory, disk, network, pod restarts, and overall platform availability using enterprise monitoring tools.Perform daily/shift health checks for nodes, pods, cluster operators, disk pressure, certificate validity, scheduled jobs, and overall platform status.Monitor platform alerts, acknowledge incidents within defined SLAs, execute approved L1 runbooks, and coordinate timely incident response.Troubleshoot and resolve control plane issues including API instability, etcd quorum/latency, node NotReady conditions, operator failures, CNI/OVN-Kubernetes networking issues, Ingress/Route failures, admission webhook problems, and image registry outages.Collect, analyze, and provide diagnostics using oc/kubectl, pod descriptions, logs, events, manifests, must-gather, oc adm inspect, audit logs, API server metrics, etcd metrics, node logs, and journalctl.Perform first-line remediation by restarting pods/services, deleting failed pods,



scaling workloads, clearing PVC locks, rotating authorized tokens, and executing documented recovery procedures.Escalate unresolved or complex issues to L2/L3 with complete diagnostics, perform Root Cause Analysis (RCA), workload impact assessment, and recommend corrective and preventive actions.Monitor and administer Machine API, Autoscaler, node lifecycle operations including drain, cordon, uncordon, reimage, node replacement, and cluster resource optimization.Plan, coordinate, and execute OpenShift cluster upgrades, z-stream patching, Operator (OLM) upgrades, cluster add-on maintenance, compatibility validation, canary deployments, rollback planning, and post-upgrade verification.Support scheduled maintenance by performing pre/post patch validation, node drain/uncordon, controlled reboots, cluster health validation, and maintenance documentation.Administer and troubleshoot OpenShift networking inclu

📌 OpenShift & GitLab (Mumbai)
🏢 3i Infotech
📍 Mumbai