Subject Matter Expert (Support&Ops)

Sholinganallur, Tamil Nadu

Job Summary

• *Job Description:** CaaS \- Kubernetes Engineer (AKS, GKE )• Execution of large\-scale Kubernetes networking migration (kubenet Azure CNI)for 5000\+ pod production clusters with minimal downtime• Deep understanding of Kubernetes networking architecture, including Azure CNI(IPAM, pod IP allocation, VNet integration) and kubenet limitations• Advanced IP capacity planning and subnet sizing for high\-density clustersensuring no IP exhaustion during migration• Design and implementation of migration strategy (blue\-green / node pool\-basedmigration) for seamless workload transition• Hands\-on execution of node pool migration (cordon, drain, rescheduling) to shiftworkloads to CNI\-enabled nodes• Strong expertise in Azure networking (VNet, NSG, route tables, privateendpoints) aligned for Kubernetes workloads• Troubleshooting of pod\-to\-pod communication, DNS resolution, service routing,and network latency issues during migration• Management of ingress controllers, load balancers, and traffic routing changesduring network transition• Handling stateful workload migration with persistent volumes and storagereattachment across node pools• Implementation of monitoring and observability for cluster health, pod status,network metrics, and performance tracking• Strong scripting and automation skills (Bash, Python, IaC) to orchestrate migrationand reduce manual intervention• Implementation of rollback and failover strategies ensuring safe recovery duringproduction migration• Configuration and management of Kubernetes RBAC, namespaces, and workloadisolation during migration• Execution of Kubernetes operations including cluster upgrades, node scaling, andpatching, Nodepool Migrations.• Kubernetes cluster support including workload deployments, troubleshooting podfailures, and performance tuning

Key Responsibilities

1\. To ensure on\-time resolution \& quality compliance of escalated tickets/incident as per the agreed SLA

2\. To perform value addition activities (such as mentoring administrators/team members, preparing SOPs, maintaining effective documentation simultaneously and Knowledge sharing.) In addition act as a liaison to the business segment, facilitating effective communication and presentation to key business stakeholders as \& when required.

3\. To validate Change Order Implementation Plan \& Human Error Compliance and participate in Capacity planning

4\. To ensure positive customer feedback \& satisfaction through active participation in customer meetings to understand any issues faced

5\. To validate analyses (eg. Root Cause Analysis ,Trend Analysis) and reports to facilitate performance in tasks to be presented to key business stakeholders

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