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)
- Robust/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
- Strong 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 analy

📌 Manager (Chennai)
🏢 Tata Communications
📍 Chennai