Ganesh Appavoo

Sr Network and Security Engineer @Tenerity

CT, US

Senior Network Engineer with 12+ years of experience designing, deploying, and optimizing enterprise and cloud network infrastructures, specializing in Cisco SD-WAN and AWS cloud connectivity. Proven expertise in driving WAN modernization, enhancing application performance, and delivering secure, scalable solutions for global enterprisesExtensive hands-on experience with Cisco SD-WAN (vManage, vBond, vSmart, vEdge/cEdge) design, and deployment across multi-region environments.Skilled in cloud integration: extending SD-WAN overlays into AWS, leveraging Transit Gateway, Direct ConnectConducted capacity planning, scalability testing, and architecture reviews to validate Cisco SD-WAN performance for global rollouts.Designed, deployed, and maintained Cisco Firepower Threat Defense (FTD) firewalls for enterprise data centers, branches, and cloud edge environmentsLed end-to-end network separation activities during corporate divestiture, ensuring minimum impact on business operations for usersDesigned and implemented large-scale Cisco SD-WAN deployments across multi-region enterprises globally in US, UK, Europe, Manila, India and AWS. Implemented global WAN migrations from legacy MPLS Juniper routers to Cisco SD-WAN overlays, ensuring minimal downtime.Configured App-Aware Routing and SLA-driven path selection for optimized application performance across hybrid WAN linksDesigned global control plane architecture with redundant vManage, vBond, and vSmart controllers across private and public cloud environments.Designed and implemented AWS cloud connectivity with SD-WAN integration, enabling secure hybrid cloud access across multiple regions.Migrated Cisco standalone FTD deployments to centralized Firepower Management Center (FMC) for unified management and visibilityPerformed end-to-end firewall migration projects, including pre-migration assessments, policy audits, object cleanup, and cutover planning

Madras University

BCOM, Commerce