Saddam Rabbani

security during system upgrades

• Managed backup and using Veeam and Azure Backup.

• Managed Windows Server environments across production and DR sites.
• Administered Active Directory (Users, Groups, OU, GPO).
• Managed DNS, DHCP, and authentication services.
• Managed Microsoft 365
• Administered VMware ESXi and Hyper-V virtual environments.
• Managed backup and recovery using Veeam, Synology, and Azure Backup.
• Performed patch management using SCCM and ManageEngine.
• Configured Sophos XG Firewall, VPN, and access policies.
• Supported LAN/WAN infrastructure, VLANs, and Wi-Fi.
• Performed daily system health monitoring and preventive maintenance.
• Assisted in migration activities and DR testing with senior team
• Supported IP Telephony (3CX) and infrastructure operations.

• Assisted in installing and maintaining Windows Server and network
hardware.
• Supported LAN/WAN configurations, user setup, and routine
maintenance.
• Managed patching, upgrades, and system troubleshooting to minimize
downtime.
• Performed desktop and server-level troubleshooting across multiple
departments.
• Supported IT documentation and inventory management activities.