System Integration & Deployment: Integrate multi-vendor network and security solutions (Huawei, Fortinet, Ruijie, Aruba, Cisco) at client sites.Routing & Switching: Configure and troubleshoot (VLANs, MPLS, STP, OSPF) in complex client networks.Firewall & VPN: Deploy and manage Fortinet and Cisco firewalls, implement IPsec/SSL VPNs.Wi-Fi Solutions: Design, deploy, and optimize enterprise Wi-Fi networks (SSIDs, VLANs, RADIUS/802.1x, captive portals).NAC & SIEM: Implement Network Access Control policies, monitor endpoints, and support SIEM platforms for log correlation and incident detection.AMC Support: Perform preventive maintenance, firmware upgrades, log review, SLA compliance, and incident resolution.Install, configure, and maintain physical servers (Dell, HPE, XFusion, etc.).Administer and support virtualization platforms including Microsoft Hyper-V and VMware vSphere/ESXi.Manage and optimize SAN/NAS storage systems for performance, redundancy, and scalability.Implement, monitor, and support server-based antivirus and endpoint protection solutions.Administer enterprise backup and disaster recovery platforms (Veeam, Quorum).Perform system patching, firmware upgrades, and capacity planning.Provide administration and support for Windows Server, Active Directory, DNS, DHCP, and Group Policy.Troubleshoot and resolve hardware, OS, virtualization, and storage performance issues.Configure and support basic networking including LAN, VLANs, routing, and switching.Collaborate with networking, application, and security teams to deliver cross-functional IT projects.Maintain accurate documentation for systems, processes, incidents, and resolutions.Participate in on-call support rotation to ensure high availability of business-critical systems.