Job Description

About the Role:

We are building and running mission-critical production infrastructure on Kubernetes. As a Senior Kubernetes Engineer, you will own the full stack from the underlying OS and container runtime through networking, storage, and the cluster control plane itself. You will engage across the full lifecycle: architecture, deployment, hardening, and day-2 operations for multi-cluster, multi-tenant environments. This is hands-on infrastructure work with direct ownership of production reliability.

What you will be doing:

Design, deploy, and operate production-grade Kubernetes clusters across bare-metal, cloud, and hybrid environments.

Manage cluster lifecycle end-to-end: provisioning, version upgrades, patching, scaling, and capacity planning

Architect and run multi-cluster/multi-tenant setups using Kamaji, Rancher (hosted control planes), and vCluster (virtual clusters)

Configure and troubleshoot CNI plugins (Calico, Cilium) pod networking, network policies, BGP, and eBPF dataplanes.

Own cluster DNS (CoreDNS) configuration, service discovery,



and resolution troubleshooting.

Manage container runtime (containerd, CRI-O) and underlying OS: Linux tuning, kernel/sysctl parameters, systemd, cgroups

Deploy and operate service mesh (Istio, Cilium mesh) for traffic management

Manage persistent storage: PV/PVC, StorageClasses, CSI drivers (Rook/Ceph, Longhorn, cloud-native CSI)

Own the network stack: ingress controllers, load balancing, MetalLB/BGP, firewalling, and network troubleshooting

Implement GitOps and Infrastructure-as-Code (ArgoCD/FluxCD, Terraform, Helm) for cluster and workload delivery

Harden clusters: RBAC, Pod Security Standards, network policies, secrets management (Vault, Sealed Secrets), image scanning

Own backup and disaster recovery (Velero, etcd snapshotting) and run DR drills

Provide on-call production support: monitor cluster health, troubleshoot incidents, and drive root-cause resolution

Create comprehensive docum

📌 Sr Kubernetes Engineer (Mumbai)
🏢 Neysa Networks
📍 Mumbai