3+ years of hands-on experience working in production-grade OpenStack environments (deployment, administration, troubleshooting). 5+ years in platform operations, cloud or infrastructure engineering. Deep understanding of OpenStack architecture, components, and service interactions. Hands-on experience with virtualization technologies such as KVM, QEMU, VMware, or similar. Strong practical knowledge of L2/L3 networking fundamentals, VLANs, bonding, NIC teaming, Routing & switching, Security groups, firewalls, Load balancers, overlays, VXLAN/GRE. Experience with monitoring and alerting tools such as Zabbix, Nagios, Prometheus, Grafana, or similar. Ability to integrate logs and telemetry for capacity planning, health-checking, and issue debugging. OpenStack Neutron and SDN plugins highly preferred.