Vijay Kumar

Led enterprise network modernization across multi-site transportation and administrative environments, planning and validating migration from legacy Extreme Networks infrastructure to Cisco Catalyst/Nexus. Managed network lifecycle activities, coordinated complex infrastructure changes, and provided 24x7 production escalation support.

Designed and supported hybrid connectivity between enterprise data centers and AWS/Azure using Direct Connect, ExpressRoute, Transit Gateway, and VPN connectivity. Led network and security risk assessments, administered Palo Alto NGFW/Panorama environments, and automated network configuration using Python, Ansible, and Terraform.

Designed, configured, and supported Cisco Catalyst and Arista switching infrastructure across enterprise and carrier environments. Configured and troubleshot Check Point and Fortinet firewall environments, managed MPLS Layer 2 and Layer 3 VPNs, and participated in disaster-recovery planning and validation.

Designed and supported enterprise LAN/WAN and data center networks using Cisco Nexus and Catalyst, implementing BGP, OSPF, EIGRP, HSRP, and VRRP. Implemented 802.1X authentication and NAC enforcement using Cisco ISE, and supported wireless communications infrastructure across airport facilities.

Supported enterprise LAN/WAN environments for managed-services clients using Cisco Catalyst and Nexus switches. Provided NOC monitoring and incident support, configured routing protocols, and supported data center migration and upgrade activities.

Bachelor's degree in Computer Science from Jawaharlal Nehru Technological University, Hyderabad.