• Configure Various Cisco Routers and Switches, Strong Knowledge of troubleshooting Cisco Switches and Routers.• Configure and troubleshoot various Protocols of Routing & Switching like STP, VTP, VLAN, VPN, EIGRP, and BGP.• Deep working knowledge of networking concepts: TCP, UDP, HTTP, HTTPS, DNS, DHCP, etc.• Configure and troubleshoot various protocols and technologies such as VLAN, STP, PVST, FHRP and EtherChannel.• Provided expert-level technical assistance to end users, resolving complex issues in a timely manner• Conducted thorough root cause analyses following incidents, leading to improved preventative measures and reduced recurrence rates• Reduced server downtime by performing regular hardware upgrades and software patches• Enhanced network security through the deployment of advanced firewall configurations and intrusion prevention systems• Optimized network performance through regular monitoring, analysis, and fine-tuning of settings