Abhishek Tiwari
Network Engineer @Cisco
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WORK HISTORY
Network Engineer @Cisco
Austin, TX, US
As a Network Engineer at Cisco, I design, deploy, and support large-scale data center and AI infrastructure networks. I configure and manage Cisco Nexus and Catalyst platforms, spine-leaf and Layer 2/3 architectures, VLANs, vPC, HSRP, and EtherChannel, and implement routing protocols such as OSPF, BGP, and EIGRP to ensure reliable connectivity. I build and maintain AI fabric environments, leveraging NDFC for automation, orchestration, and monitoring, while performing ISSU testing, network upgrades, and change validation to maintain high availability. Additionally, I manage ACLs, VPNs, port security, and other network security measures, and troubleshoot performance using SolarWinds, NetFlow, and CLI tools. I maintain comprehensive network documentation, diagrams, and IP addressing plans while collaborating with engineering teams to deliver resilient, production-ready infrastructure.
EDUCATION
National Institute of Technology Rourkela
Bachelor of Technology - BTech, Electrical, Electronics and Communications Engineering
University of North Carolina at Charlotte
Master's degree, Computer Engineering
ABOUT ABHISHEK TIWARI
Network Engineer with hands-on experience designing, deploying, and supporting large-scale enterprise and data center networks across Cisco and IBM environments. Skilled in Cisco Nexus and Catalyst platforms, spine-leaf and Layer 2/3 architectures, VLANs, vPC, HSRP, EtherChannel, OSPF, BGP, and EIGRP. Experienced in building AI infrastructure, managing AI fabrics, and leveraging NDFC for automation, orchestration, and monitoring. Adept at network security, including ACLs, VPNs, and port security, as well as DNS/DHCP administration, TCP/IP stack customization on IBM z/OS, and P1 incident troubleshooting with RCA. Proficient in network monitoring and performance analysis using SolarWinds, NetFlow, and Wireshark, while maintaining comprehensive documentation and collaborating with cross-functional teams to deliver resilient, high-performance, production-ready infrastructure.
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