Paynuity

Administration

• Design, deploy, upgrade, and maintain highly available Kubernetes clusters
• Manage Kubernetes control plane components and perform cluster lifecycle management
• Upgrade Kubernetes ecosystem components, including NGINX Ingress, CNI plugins, container runtimes, cert-manager, Rancher, Harbor, Prometheus, Grafana, Velero, and Longhorn
• Manage Persistent Volumes, Persistent Volume Claims, Storage Classes, and CSI drivers
• Configure Kubernetes networking, ingress, load balancing, TLS certificates, RBAC, monitoring, and security
• Support multi-cluster Kubernetes environments hosting production workloads
• Build, maintain, and optimize CI/CD pipelines for Kubernetes-based applications
• Install, configure, administer, and maintain Linux servers
• Perform Linux OS installation, upgrades, patching, hardening, performance tuning, and lifecycle management
• Configure and troubleshoot Linux networking, DNS, NTP, SSH, firewalls, routing, storage, LVM, RAID, NFS, and iSCSI
• Implement backup, disaster recovery, monitoring, and automation using Bash, Python, or Ansible
• Configure virtualization platforms including Hyper-V or Proxmox
• Create and maintain technical documentation, SOPs, and operational runbooks
• Participate in production support, maintenance windows, and on-call rotations

Kubernetes Administrator