Job Description

1 Year Contract role

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Role: Kubernetes Manager

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Level: L3 / Senior Kubernetes Administration & Operations

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Primary Focus: Linux Administration, Kubernetes Administration, Production Operations, SRE, Monitoring, Security, Upgrades and Customer Escalation

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Mandatory Skills

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- CKA certification (Preferred)
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- Strong/deep knowledge of Linux administration and troubleshooting
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- Strong hands-on experience in Kubernetes administration and L3 troubleshooting
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- Knowledge on virtualization like vSphere, OpenStack, Ovirt , KVM
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- Production experience in Kubernetes cluster operations, incident management and troubleshooting
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- Strong knowledge of Kubernetes architecture, control plane, worker nodes, networking, storage and workloads
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- Ability to handle P1/P2/P3 incidents and customer escalations within SLA
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- Hands-on experience with Kubernetes upgrades, patching and maintenance
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- Robust understanding of container runtime technologies:
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- containerd
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- CRI-O
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- Docker
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- CRI
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- Experience with container registries,



preferably Harbor
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Monitoring & Observability

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- Configure and administer Prometheus
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- Configure and manage Alert manager
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- Grafana dashboard creation and monitoring
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- Kubernetes cluster health monitoring
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- Alert investigation and resolution within SLA
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- Alert tuning and noise reduction
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- Identify duplicate/repeated alerts and optimize alert rules
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- Experience with ELK/EFK and Fluentd
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- Log collection, analysis and troubleshooting
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CI/CD & DevOps

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Hands-on experience with:

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- Jenkins
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- GitLab CI/CD
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- Git
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- Container image build and deployment
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- Kubernetes deployment automation
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- CI/CD troubleshooting
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Kubernetes Operations

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Responsible for:

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- Day-to-day Kubernetes cluster administration
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- L3 troubleshooting of Kubernetes issues
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- Kubernetes upgrade and patching activities
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- Cluster health checks
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📌 Manager (Chennai)
🏢 Tata Communications
📍 Chennai