Responsible on planning, implement, integrate, migrate, and perform acceptance tests for Core network areas including CS core, PS/EPC, VoLTE, VoWiFi, Wifioffload, VoBB, PCRF, SPR, NFV, etc.Analyze network performance, resolve complex network problem, and optimize network architecture.As technical point of contact for engineering team, customer, and vendors.Engage directly with marketing team, project team, and customer for the purpose of promoting and delivering strategic services.