SAI TEJA SOMBOJU

• Execute firmware and code upgrades across Cisco routers, switches, and Ivanti VPN appliances, validating device availability, connectivity, and post-change network functionality.

• Configure, troubleshoot, and maintain site-to-site IPSec VPN connectivity with third-party vendors using Cisco ASA firewalls, investigating tunnel and connectivity issues to maintain secure network communication.

• Provision AWS site-to-site VPN connectivity based on application and infrastructure requirements, supporting secure communication between enterprise environments and AWS resources.

• Support application and virtual machine migrations into AWS by validating network connectivity and assisting with hybrid-cloud communication during migration activities.

• Install, configure, and troubleshoot network firewall infrastructure, diagnosing hardware failures and coordinating RMA replacement activities to restore network services.

• Troubleshoot network connectivity across routing, switching, firewall, VPN, and cloud environments to identify and resolve infrastructure-related issues.

• Perform network infrastructure changes and upgrades with an emphasis on system reliability, security compliance, and minimizing service disruption.

Configured and maintained network switches, routers, and LAN infrastructure to support reliable enterprise and end-user connectivity.

• Supported LAN infrastructure for 100+ users, performing switch configuration, network connectivity troubleshooting, and structured cabling activities.

• Diagnosed and resolved IP addressing conflicts, DHCP failures, connectivity issues, and network access problems using standard network diagnostic tools.

• Troubleshot switch-port, cabling, and wireless connectivity issues, improving LAN stability and reducing recurring network outages.

• Supported data center network deployment activities including rack-and-stack of network switches, patch-panel termination, equipment installation, and physical connectivity.

• Performed operating-system, hardware, and software troubleshooting for network-connected systems, reducing infrastructure-related support issues.

• Coordinated with customers and internal technical teams to investigate network and hardware incidents, communicate resolutions, and maintain technical documentation.