Alexander Vladimirov

• Administration and maintenance of VMs and LXC containers in a 3-node Proxmox VE cluster: provisioning, configuration, live migration, and resource optimization.

• Design and implementation of network architecture in Proxmox: segmentation using VLANs, overlay networks with VXLAN, and bridge configuration for traffic isolation.

• Deployment of Wazuh (SIEM) and Graylog with Docker Compose: agent installation, custom rule creation, and active monitoring of endpoints and network devices.

• Administration of Cisco FTD and FortiGate firewalls: security policy definition, object management, access rules, and network segmentation.

• Configuration and management of switching and VLAN segmentation with Cisco Meraki.

• Infrastructure monitoring with Zabbix and Grafana: host configuration, metrics, alerts, and dashboards for real-time operational visibility.