Subject Matter Expert - Kubernetes

We are looking for a Kubernetes SME to provide hands-on support for Kubernetes platform operations, troubleshooting, deployment support, and production issue resolution. The resource should be comfortable working in shifts and supporting critical enterprise workloads in a production environment

Responsibilities:

• Provide day-to-day operational support for Kubernetes clusters.
• Monitor cluster health, node status, workloads, pods, services, ingress, and storage.
• Troubleshoot Kubernetes issues related to pods, deployments, services, networking, DNS, ingress, certificates, and resource utilisation.
• Support application deployments, rollbacks, scaling, and configuration changes.
• Work with DevOps, application, infrastructure, security, and network teams to resolve production issues.
• Handle incidents, service requests, and change activities as per defined SLA.
• Analyse logs, events, metrics, and alerts to identify root cause.
• Support Kubernetes upgrades, patching, backup, restore, and cluster maintenance activities.
• Manage namespaces, RBAC, secrets, config maps, resource quotas, and limit ranges.
• Support container image deployment and integration with container registries.
• Assist in implementing monitoring, logging, and alerting using tools such as Prometheus, Grafana, ELK, OpenSearch, Splunk, or similar tools.
• Prepare incident reports, RCA documents, SOPs, and operational runbooks.
• Participate in shift handovers and provide status updates to stakeholders.

Requirements:

• Strong hands-on experience with Kubernetes administration and troubleshooting.
• Good understanding of containers, Docker or containerd, images, registries, and runtime behaviour.
• Experience with Kubernetes objects such as Pods, Deployments, StatefulSets, DaemonSets, Services, Ingress, ConfigMaps, Secrets, PV, PVC, and StorageClasses.
• Knowledge of Kubernetes networking, CNI, service discovery, DNS, load balancing, and ingress controllers.
• Experience with Helm charts and YAML-based deployments.
• Working knowledge of Linux administration and shell scripting.
• Understanding of CI/CD pipelines and DevOps practices.
• Experience with monitoring and logging tools.
• Knowledge of security concepts such as RBAC, network policies, image scanning, certificates, and secrets management.
• Ability to troubleshoot production issues
• Bachelor's degree in computer science, engineering, IT, or equivalent experience.
• Minimum 4-5 years of hands-on Kubernetes/platform support experience.

Shift and Support Expectations:

• Resources should be willing to work in rotational shifts.
• Should support production incidents, planned changes, and emergency troubleshooting.
• Should be available for weekend or off-hour support during critical activities, if required.
• Should follow incident, problem, change, and escalation management processes.