Job Description 1 Year Contract role Role: Kubernetes Manager Level: L3 / Senior Kubernetes Administration & Operations Primary Focus: Linux Administration, Kubernetes Administration, Production Operations, SRE, Monitoring, Security, Upgrades and Customer Escalation Mandatory Skills CKA certification (Preferred) Strong/deep knowledge of Linux administration and troubleshooting Strong hands-on experience in Kubernetes administration and L3 troubleshooting Knowledge on virtualization like vSphere, OpenStack, Ovirt , KVM Production experience in Kubernetes cluster operations, incident management and troubleshooting Strong knowledge of Kubernetes architecture, control plane, worker nodes, networking, storage and workloads Ability to handle P1/P2/P3 incidents and customer escalations within SLA Hands-on experience with Kubernetes upgrades, patching and maintenance Solid understanding of container runtime technologies : containerd CRI-O Docker CRI Experience with container registries ,



preferably Harbor Monitoring & Observability Configure and administer Prometheus Configure and manage Alert manager Grafana dashboard creation and monitoring Kubernetes cluster health monitoring Alert investigation and resolution within SLA Alert tuning and noise reduction Identify duplicate/repeated alerts and optimize alert rules Experience with ELK/EFK and Fluentd Log collection, analysis and troubleshooting CI/CD & DevOps Hands-on experience with: Jenkins GitLab CI/CD Git Container image build and deployment Kubernetes deployment automation CI/CD troubleshooting Kubernetes Operations Responsible for: Day-to-day Kubernetes cluster administration L3 troubleshooting of Kubernetes issues Kubernetes upgrade and patching activities Cluster health checks Node and pod troubleshooting Control-plane and worker-node troubleshooting Kubernetes networking troubleshooting Kubernetes storage troubleshooting Resource and performance analysis Incident/problem management Root Cause Analysis (RCA) Vulner

📌 Manager (Chennai)
🏢 Tata Communications
📍 Chennai