• Administration of virtualized server, network devices (HP, Aruba, FortiGate), and cloud instances (AWS, Azure VM and Microsoft Entra ID Connect) • Administration of firewalls (FortiGate, Sophos, Watchguard), IPSec, SSL VPN • Administration of Microsoft 365 (Exchange, Intune and Teams) • Set up and manage network storage system (NAS, NFS, iSCSI) • Troubleshooting networks and servers (Windows, Linux, AD, DB, Web) • Web & Infrastructure vulnerabilities scanning, patching and reporting (Greenbone, Nessus, Qualys) • Configuring Azure DNS, securing and monitoring endpoints (Microsoft Defender, Datadog) • Supporting end users via Jira ticketing system

• Implementing VMware vSphere 7.0 HA Cluster, and virtual machines (Windows, Linux) • Setting up and manage network storage system (NAS, iSCSI, GlusterFS) • Configuring services and migration (Azure VM migration, AD & migration, Forest Trust, Hyper-V Replication, SSH, RabbitMQ, MSSQL, MongoDB, Web, NTP) • Setting up Azure VM, AWS cloud instance and S3 storage for backup and restore • Setting up routing (EIGRP, OSPF), networking switches, VLAN, EtherChannel, Wireless AP • Security scanning, patching and reporting (Qualys, Cisco Umbrella, Threat Sonar EDR) • Administration of Firewalls (Cisco ASA, FortiGate, Sophos), and IPSec VPN setup • Monitoring IT infrastructure devices and security (Graylog, NxLog, Prometheus, ManageEngine) • Administration of Google Workspace, Office365, and Antivirus software products

• Design and Implement Network and Hyper-V Replication Servers • Implementing Routing, Firewalls, GlusterFS, iSCSI, LVM, DNS, Microsoft Exchange and IIS • Setting up Rsync, Rsyslog, Samba, Windows AD, FSRM, DFS services • Network security monitoring and setup (firewalls, logs monitoring) • Supporting End User, data backup, and restore • Project coordination, inventory control, documentation