Designed, implemented, and troubleshoot diverse networking technologies, including Cisco Routers & Switches (ASR 1K, C8500L), Cloudbase SDWAN Migration (Cisco Viptela), and Juniper Firewall upgrades.Deployed advanced routing protocols like OSPF and BGP, enhancing network stability and overall performance.Provided expert escalation support for LAN and WAN issues, ensuring effective customer concern resolution and high satisfaction.Developed and presented various reports (COEs, Bandwidth, RCA analysis) for insights into network health, ISP vendor equipment, failures, and performance analysis.Collaborated with the network delivery team for WAN circuit upgrades, disconnections, or replacements as needed, and served as a liaison between vendors and Amazon Technical teams during monthly and quarterly business reviews, addressing pain points and initiating process improvements.

Started as an initial IT responder at Amazon, promoted to Team Lead in 2017.Specialized in Printers and Amazon lockers, demonstrating expertise as an SME.Assigned tasks, managed resources, and coordinated team efforts for efficient operations.Led the establishment of a Fulfilment Centre in Kolkata, providing comprehensive Network, server, and hardware support, including Zebra label Printers, Zebra Network printers, and Honeywell network scanners.Gathered client requirements, ensured timely deliveries, managed high-severity business-critical trouble tickets, and collaborated with teams to address critical issues.

Installed and managed Windows Server 2008 R2 and later versions, overseeing roles like DHCP, DNS, Active Directory, and Network Policy. Configured various systems and software, including network printers, VPN, MS Office, CentOS, Ubuntu Server, and Adobe Software.Oversaw Primary and Backup Domain Controllers, file services, and implemented group policies for different Organizational Units. Established SME Server 8.1 for local network mail communication, managing CCProxy 7 tools for URL filtering.Configured network infrastructure, including Dell SonicWALL Firewall NSA 2600, Cisco switches, and Digisol load balancer, while providing troubleshooting for Windows desktops/laptops onsite and remotely.