Rajkumar Raman

• Led IT operations across office and factory environments supporting 400+ users across 15 remote locations and 5 international offices.
• Managed a team of 4 IT staff and 14 vendors, contributing to approximately 20% cost savings through support and vendor
optimization.
• Managed core infrastructure including 3 physical servers and 5 cloud servers to support enterprise access, backups, and service
continuity.
• Restructured and upgraded network infrastructure across office and factory operations, improving connectivity and system reliability.
• Developed and implemented company-wide IT policies and operational procedures to strengthen security and governance.
• Created service level agreements for vendors and internal support teams to improve response time and accountability.
• Implemented Microsoft SharePoint and Microsoft Teams to improve collaboration and user productivity.
• Enforced multi-factor authentication for corporate email users to enhance account security.
• Installed, configured, and maintained Sophos Antivirus on user laptops, ensuring regular updates and endpoint protection compliance.
• Implemented scheduled backup strategy for user systems, local servers, and cloud servers using IDrive.
• Led deployment of Hikvision CCTV systems across office, factory, and fuel station locations.
• Implemented the open-source Snipe-IT asset management system and barcode tracking for IT devices and assets.
• Configured and maintained biometric attendance systems across multiple company locations.
• Implemented system recovery procedures and disaster recovery readiness for servers and user PCs.
• Designed centralized NAS storage infrastructure to improve data availability and backup reliability.
• Administered and maintained the Tally ERP server to ensure finance system continuity.
• Coordinated vendors and suppliers for procurement, installations, and technical support activities.
• Documented SLA agreements, business requirement documents, and ERP implementation records.

• Administered Windows Server, Active Directory, DNS, DHCP, and file server infrastructure across 8 sites.
• Managed 4 physical servers supporting business services and user access continuity.
• Configured and administered FortiGate 60F, 100D, and 100F firewalls.
• Installed and managed UniFi access points through UniFi Cloud Key for camp, guest, and MOD accommodation.
• Migrated local domain users to Azure-connected identity and transferred user data using Profwiz.
• Installed, configured, and supported Microsoft 365 across staged, hybrid, cutover, and IMAP/POP migration models.
• Added users and groups, reset passwords, and resolved MFA issues in Microsoft 365.
• Resolved Exchange performance issues including mail blockage, spam, Outlook/OWA access, and slow performance.
• Worked with Azure, Azure AD Connect, Active Directory, and virtual machines.
• Installed and maintained point-to-point NanoStation and NanoBridge devices for remote office internet connectivity.
• Delivered network infrastructure for buildings including cabling, installation, and maintenance of UniFi access points and MikroTik
routers.
• Troubleshot computer hardware, software, printer, and operating system issues.
• Maintained Shure Microflex wireless audio/video devices in conference rooms and provided user support.
• Maintained and monitored the ZKTeco iBio 260 Pro access control system for office and staff accommodation.
• Applied regular updates, patches, and firmware to Windows systems, servers, and network devices.
• Performed regular backup and archiving using Tandberg Data QuikStor tape drive.
• Provided IT support through the Freshservice ticketing system.
• Identified and resolved incidents related to VLANs, access and trunk port configuration, and physical layer connectivity.

• Administered Windows Server 2012, Active Directory, DNS, DHCP, and backup domain controller services.
• Managed domain infrastructure, printer servers, file server permissions, and user accounts.
• Troubleshot computer hardware, software, printers, and operating system issues.
• Ordered necessary supplies and parts to repair malfunctioning hardware.
• Responded to user issues and provided prompt end-user support.
• Applied operating system updates, patches, and configuration changes.
• Administered Kaspersky Antivirus Server.
• Performed regular backups.
• Managed IT asset procurement and updated asset management records.
• Planned and implemented the complete office network infrastructure.
• Identified and resolved issues related to wired and wireless networks.

• Managed data center operations with minimal downtime and supported daily maintenance activities.
• Upgraded client server infrastructure, including installation, migration, and decommissioning of old systems.
• Performed rack and stack of physical servers, network devices, and appliances, including cabling and PDU management.
• Supported router, switch, firewall, and VPN installation activities.
• Resolved issues related to Windows, network connectivity, and software and hardware errors.
• Recommended site upgrades such as antenna tilting and radio re-orientation.
• Supported remote office users using NetMeeting, VNC, and Cisco VPN.
• Prepared and maintained documentation for technologies, standards, and procedures.

• Installed and configured the Dell PowerEdge T320 server.
• Configured AD DS, DNS, and DHCP services.
• Configured and administered the SonicWall TZ205 Wireless-N firewall.
• Installed Terminal Server for access to Peachtree software.
• Installed and configured file and print servers and assigned user permissions.
• Implemented Group Policy as per standard procedures.
• Configured VPN connections on the firewall.
• Performed remote troubleshooting for VPN tunnels on desktops and laptops.

• Managed 3 servers supporting domain services, site infrastructure, firewall operations, secure connectivity, and backup readiness.
• Installed, configured, and maintained FortiGate 60B and 60C firewalls to secure data and control internet usage.
• Implemented FortiGate site-to-site VPN connectivity across warehouse sites in Afghanistan.
• Installed, configured, and maintained HP ML360 RAID servers with Windows Server 2008 as domain controllers.
• Configured and maintained Symantec Backup Exec 2010/2012 and stored backup data on Netgear NAS devices.
• Ensured day-to-day backup operations through DLO and Backup Exec.
• Redesigned the core network with fiber uplinks to all IDFs to improve throughput.
• Installed and maintained wireless power station and MIMO devices.
• Troubleshot complex network environments including VLANs and port trunking.
• Maintained WAN links between branch offices and rerouted services when the main link was down.
• Managed security policies, disk management, DHCP, DNS, TCP/IP settings, and Active Directory.
• Installed and configured file and print servers and assigned permissions to users and groups.
• Created and implemented Group Policies as per standard procedures.
• Maintained server logs, service reports, and ISP outage reports.
• Performed routine backups of Cisco switches, HP switches, firewalls, Windows server system state, and DHCP.
• Maintained cable TV and internet services for the camp.
• Installed and maintained VoIP Tenor devices, Snom telephones, and CCTV cameras.
• Worked with vendors to support infrastructure and service activities.
• Attended field calls to troubleshoot systems and provide end-user support.

• Implemented and administered DNS and DHCP services and hardened servers and client machines.
• Configured and maintained the Trend Micro antivirus server.
• Managed user profiles and assigned access rights to resources.
• Installed and maintained network printers and file-sharing services.
• Performed monitoring and maintenance of the local area network.
• Created standard NetBackup policies and performed server backups.
• Restored data as per customer requests.
• Configured and troubleshot Microsoft Outlook.
• Engaged in network troubleshooting, hardware troubleshooting, assembling, operating system installation, software installation, and
administration.
• Gained hands-on experience in installation, troubleshooting, and maintenance of networks with Windows XP and Windows Server
2003.

• Installed and configured Microsoft Windows 2000 and 2003 Server.
• Installed and configured DNS and DHCP services.
• Implemented and administered Active Directory services, replication, trust relationships, and domain-wide Group Policies.
• Installed and monitored the SonicWall 2040 firewall and proxy setup.
• Performed deployment and maintenance of print servers and printing pools.
• Configured and maintained DFS file sharing.
• Configured IP subnetting, routing, routing protocols, switching, VLANs, and access lists on Cisco 1700/2500 routers and Cisco 2950
switches.
• Configured and maintained the FTP server.
• Handled user management, account renewals, password resets, and group permissions and policies.
• Administered and maintained a Windows-based network of over 800 workstations.
• Supported installation of PCs, printers, dial-up internet connectivity, software, and internal user support.