Job Title: Cloud Kubernetes Administrator / Engineer

Company: Crepsilon Technologies

Location: Chennai (Guindy) / Hybrid

Experience: 4–8 years

Employment Type: Full-time

About the Role

Crepsilon Technologies is looking for a Cloud Kubernetes Administrator/Engineer to build, manage and secure Kubernetes clusters and cloud environments across AWS, Azure and Google Cloud. You will own cluster operations end to end, from provisioning and upgrades to monitoring, security and cost control, for internal platforms and client workloads.

Key Responsibilities

– Design, deploy and manage production Kubernetes clusters (EKS, AKS, GKE, and self-managed using kubeadm, RKE or OpenShift)

– Handle cluster lifecycle tasks: provisioning, version upgrades, node pool management, autoscaling, backup and disaster recovery (Velero, etcd snapshots)

– Manage cloud environments across AWS, Azure and GCP, including compute, networking (VPC/VNet, load balancers, DNS), storage, IAM and billing

– Build and maintain infrastructure as code with Terraform, Helm and Kustomize

– Set up and run CI/CD and GitOps pipelines (Jenkins, GitHub Actions, GitLab CI, Argo CD, Flux)

– Configure cluster networking and service mesh (Calico, Cilium, Istio, NGINX/Traefik ingress)

– Implement monitoring, logging and alerting (Prometheus, Grafana, Loki, ELK/EFK, cloud-native monitoring tools)

– Enforce security: RBAC, network policies, Pod Security Standards, secrets management (Vault, cloud KMS), image scanning (Trivy) and policy engines (OPA Gatekeeper, Kyverno)

– Administer Linux hosts that run clusters: patching, hardening, performance tuning and troubleshooting

– Manage persistent storage (CSI drivers, EBS, Azure Disk, Persistent Disk, Ceph/Longhorn)

– Troubleshoot pod, node, network and application issues and lead incident response and root cause analysis

– Optimize cloud and cluster costs through rightsizing, spot/preemptible instances and resource quotas

– Maintain runbooks, architecture documents and operational standards

– Work with development teams on containerizing applications and deploying them to Kubernetes

Required Skills

– 4+ years in cloud infrastructure or DevOps, with at least 2–3 years running Kubernetes in production

– Strong Linux administration (RHEL, Ubuntu, CentOS/Rocky): systemd, networking, file systems, process and performance troubleshooting

– Working knowledge of Windows Server is a plus

– Hands-on experience with at least two of AWS, Azure and GCP

– Solid understanding of Kubernetes internals: control plane, etcd, kubelet, scheduler, CNI, CSI

– Docker/containerd and container image management (Harbor, ECR, ACR, Artifact Registry)

– Terraform and Helm

– Scripting in Bash and Python (Go is a plus)

– Networking fundamentals: TCP/IP, DNS, TLS, load balancing, firewalls, VPN

– Git and GitOps practices

Preferred Qualifications

– CKA (Certified Kubernetes Administrator) required or strongly preferred; CKAD or CKS is a plus

– Cloud certifications such as AWS Solutions Architect / SysOps, Azure Administrator (AZ-104), or Google Cloud Professional Cloud Architect / DevOps Engineer

– Experience with OpenShift or Rancher

– Exposure to multi-cluster or hybrid cloud management (Anthos, Azure Arc, Rancher)

– Experience in banking, financial services or other regulated environments

– Experience supporting AI/ML workloads on Kubernetes (GPU nodes, Kubeflow)

Soft Skills

– Strong troubleshooting and analytical skills

– Clear written and verbal communication with clients and internal teams

– Ownership mindset and comfort with on-call rotation

– Ability to document and standardize processes

What We Offer

– Work on multi-cloud and AI-driven projects for clients in India and the Middle East

– Certification support and continuous learning budget

– Competitive salary and performance-based growth

– Collaborative, fast-moving team environment