Vishnu Sai Email & Phone Number

United States

• Optimized performance of VMware ESXi hosts and Virtual Machines by configuring CPU affinity rules, allocating resources, and fine-tuning storage to enhance efficiency and stability.• Configured Cisco Routers for BGP, OSPF, RIP, EIGRP, Static routes, and default routes within VPN environments using MPLS, ensuring reliable and scalable network connectivity.• Installed, troubleshoot, and managed firewalls including Cisco, Imperva Web App Firewalls, Checkpoint, and Juniper, and LAN/WAN protocols to secure network traffic and data.• Implemented VLANs, Spanning Tree Protocol (STP), VSTP, and SNMP on Juniper EX series switches, enhancing network segmentation and monitoring capabilities.• Administered wired LAN and wireless access, utilizing advanced switching and wireless technologies to maintain network operations.• Configured and tested Multicast routing protocols in high-density Data Center environments, optimizing traffic flow and ensuring network reliability and scalability.

United States

• Provided advanced technical support for classroom equipment, ensuring smooth functioning of AV, macOS, Windows, and conference technology.• Successfully managed and resolved 100+ L1 & L2 technical support tickets, delivering timely and effective resolutions.• Delivered exceptional customer service, assisting students and faculty with operating system and printer issues.• Led the setup and support of ASU Sync, facilitating video conferencing and AV support for seamless learning experiences.• Maintained and managed computer hardware and multimedia equipment, ensuring optimal performance and reliability.

India

• Industrialized comprehensive network documentation encompassing LAN, WAN, and Wireless environments, ensuring clarity and accessibility for all network components.• Deployed and configured Checkpoint Firewall in distributed environments, maintaining Site-to-Site VPN connections to ensure secure and efficient communication between remote sites.• Utilized Microsoft Visio proficiently to create detailed technical diagrams, documentation, and presentations, facilitating effective communication and understanding of network architecture and design.• Managed VMware ESXi Windows servers, implementing optimization strategies to minimize downtime and ensure maximum uptime for critical services.• Configured and managed routing protocols including OSPF, EIGRP, HSRP, BGP, and RIP, employing advanced techniques such as route-map, distribute-list, and administrative distance manipulation to optimize network performance and meet infrastructure demands.• Collaborated in troubleshooting LAN and WAN connectivity issues and hardware problems across the network infrastructure, ensuring swift resolution and minimal disruption to operations.

Master'S Degree, Information Technology

Bachelor'S Degree, Computer Science