- Point of contact for all network issues and to minimize network outages impacting Yahoo production environment.- Troubleshoot A10 and Brocade Load-Balancer VIP issues and make necessary configuration.- Implement the critical changes (Nexus 7k Chassis/Module/Sup Engine, Cisco Routers, Juniper FPC,Routing Engine) essential for maintaining network availability 24*7.- Work with data center engineers, network architecture teams and vendors to resolve and stabilize network trouble issues and faults.- Perform configuration of network devices and maintenances with immense exposure to a wide variety of networking protocols.- Perform detailed root cause diagnosis using troubleshooting tools and to resolve network issues in ticketing-system - Service-Now and Jira.- Experience in working and coordinating with the Vendors- Cisco, Juniper, Arista, Aruba to investigate on IOS code bug verification and implementing fix.

• Responsible for understanding System architecture and its components like EMS, POC, WGP, WCSR, XDMS, RLS, F5 and Paging Server for Kodiak PTT software• Responsible for Configuring , Installing and upgrading Management servers, Web Servers , F5 servers, POC servers, Media servers to implement enhanced Push to Talk (PTT) • Performing software upgrades, patch releases, write shell scripts to automate routine operational/maintenance tasks.• Performing contact management (Activation, creating contact groups, sublists etc) in the handsets using SOAP tool.• Testing product on different client types like Handset|Desktop|Dispatcher|WebClient for releases 7.10A|8.0 Being a part of Root Cause Analysis by debugging for issues observed• Created Issue Base Test Plan by understanding system design (FRS-Feature requirement specification) docs of Dispatcher Client for 8.0 release• Contributed in making automation tools like "Gathering and analyzing CDR data", "Get Audit logs information" , "Checkpoints tool for Mirror", "Automation for Network Systems configuration" using Shell Scripting, HTML and MySQL for all the Customer accounts (AT&T, Verizon, Telefonica, CSphire etc.)• Supporting while executing MOPS on AT&T production systems during maintenance windows and other MAB activities including pre and post sanity.