DSL Fiber iONT WiFi 5G L2/L3 VoIP Multicast Broadcom chipset knowledge Cloud Product engineering UI & UX Enterprise Storage Server Networking Late Life Cycle Engineering Fintech Microservices ios /Android Test Automation Azure certification Virtualization Ecosystem Telco NFVI (AWS) L3 Support OSS/BSS Telecom Ethernet IPVPN SDWAN Voice RTOS/Embedded Linux Identity Access Management Wireless products