Syed Rahimuddin

IT Infrastructure & System Administration professional with 15+ years of experience managing enterprise IT environments in Oman. Skilled in Windows Server, Active Directory, Microsoft 365, Microsoft Azure, Microsoft Entra ID, Intune, VMware/Hyper-V, Failover Clustering, Networking, VPN, Firewall Security, Veeam Backup & Replication, Storage, and Disaster Recovery. Strong hands-on expertise in server infrastructure, virtualization, LAN/WAN, VLANs, network security, and technical support, with proven ability to troubleshoot complex issues, maintain high system availability, support business applications, manage vendors, and ensure reliable IT operations.

IT INFRASTRUCTURE | SYSTEMS ADMINISTRATOR | IT EXECUTIVE | IT SUPPORT SPECIALIST - SEEH AL-SARYA ENGINEERING LLC - Muscat, Oman

(2018-10 - 2026-09)

• Managed enterprise IT infrastructure supporting Windows Server environments, virtualization platforms, business applications, and day-to-day IT operations.
• Administered Windows Server, Active Directory, DNS, DHCP, Group Policy, Microsoft 365, Microsoft Azure, Microsoft Entra ID, and Microsoft Intune.
• Managed VMware/Hyper-V virtual environments and Windows Failover Clustering to support system availability and reliable infrastructure operations.
• Managed physical and virtual servers supporting critical business applications.
• Administered Veeam Backup & Replication and supported backup and disaster recovery operations to protect business data and maintain continuity.
• Configured and maintained Sophos Firewall, VPN connectivity, and network security services.
• Managed company VLAN infrastructure and supported network connectivity.
• Troubleshot Aruba network switches and Wi-Fi infrastructure.
• Supported ERP systems, business applications, and database connectivity.
• Provided technical support for hardware, software, operating system, network, printer, and end-user issues.
• Maintained IT asset inventory, software licenses, warranty records, and technical documentation.
• Coordinated with external vendors and service providers for procurement, AMC services, infrastructure upgrades, and technical issue resolution.
• Supported CCTV, biometric attendance, IP telephony, and video conferencing systems.
• Planned and supported infrastructure projects, software implementations, system migrations, and technology upgrades.
• Managed enterprise SAN, NAS, and QNAP storage environments.
• Supported IT budgeting and annual IT budget planning.

SYSTEM ENGINEER - MUSCAT MEDIA GROUP (Times of Oman) - Muscat, Oman

(2010-08 - 2018-09)

• Installed, configured, and administered Windows Server 2003, 2008 R2, 2012, and 2016 environments.
• Administered Domain Controllers and Microsoft Active Directory.
• Managed Cisco network switches and supported network infrastructure.
• Built and maintained Windows Server virtual machines using Microsoft Hyper-V.
• Configured user accounts, Group Policy, domain services, and network resources.
• Managed 3CX PBX, including extensions, user accounts, call routing, hunt groups, and voicemail.
• Support Microsoft 365 applications including Outlook, Teams, OneDrive, and Office applications.
• Managed user access rights and system permissions.
• Provide Level 1 and Level 2 technical support for desktops, laptops, macOS, printers, scanners, and other IT peripherals.
• Administered door access control systems and assigned user access based on organizational requirements.
• Coordinated with external vendors for CCTV maintenance, upgrades, and preventive maintenance.
• Performed proactive infrastructure monitoring, maintenance, and troubleshooting to improve IT service reliability.

Bachelor - Computer Science - Osmania University, India