I am IT professional with 8+ years of industry experience in managing, designing, monitoring, configuring, implementing, administrating, and troubleshooting enterprise Network Infrastructure currently working with Christie Digital Systems as a Network Administrator since April 2022 and before that, worked for 5.5 years with Tata Consultancy Services with hands-on experience on various Networking devices and tools. Skills:TCP/IP, LAN, WAN, OSI, IEEE 802.11, Cisco - Routing and Switching, Subnetting, CCNA, CCNP, ENCOR, Static Routing, RIP, OSPF, EIGRP, BGP, DHCP, DNS, Routers (ISR, 8200, 8300, ASR), Switches (Catalyst, Nexus 5k, Nexus 9k), Cato SD-WAN, MPLS, Firewalls (Cisco ASA, Check Point, Fortinet), Firepower, IPsec VPN, Remote Access VPN, DMVPN, SSL VPN, IPS/IDS, Network Security, Wireless (Cisco, Aruba, Meraki), AP, ACL, NAT, VLAN, VPC, Wireshark, SNMP, HSRP, VRRP, QoS, Route Maps, AAA, Radius, TACACS, Citrix Load Balancer, STP, Enterprise Network Design, Troubleshooting, SolarWinds, ITIL, Agile.● Configured, troubleshot, repaired and managed network devices, and ensured their 24* 7 availability and troubleshoot network-related L2 and L3 level issues for users or groups of users.● Identified, troubleshot, and resolved Network security L2 and L3 incidents, performed root cause analysis for high-severity incidents, and performed and managed data backup and configuration backup of all network devices.● Assisted with strategic plans and roadmaps for future infrastructure initiatives and participated in updating and revising policies, procedures, technical reports, documentation and internal training material.● Analyzed and resolved interoperability problems to maintain connectivity throughout the network and monitor health and performance of the network using Solar Winds and ensured network availability and provide solutions.● Managed and troubleshot a large-scale complex network of 25+ sites globally and ensured connectivity between them.● Worked closely with Internet Service Provider (ISP) in case of Network outage to manage WIde Area Network (WAN) and provide necessary technical support to the onsite technician to install and configure network devices globally.● Managed, designed, configured, and installed network devices in the data center to support 2000+ users, including ports, routers, switches, load balancers, firewalls, wireless and VPNs.● Performed network changes including configuration, firmware upgrade, firewall policies, NAT, ACL, routing, switching, IPsec tunnels, troubleshooting network related issues, etc.