 Experience in Pre-sales, Product Management, Customer Engagement for 5G Core signaling Products and Deployment support ,Solution Architecture for Diameter Routing Agent, Policy and Charging Rules Function in 4G/VoLTE networks. Experience in working with Top Tier Telco operators in NA, APAC, ME, EU in designing efficient solutions on Data Charging and LTE domain to resolve complex live-network issues related to congestion/overload, carrier grade telecom server performance, redundancy, latency etc. Experience in System Architecture of Large Scale Distributed setups, Scaling, E2E system architecture for 4G core network. Agile Product development experience on carrier-grade x86 architecture servers (HP, ATCA).