Posted:None|
Platform:
Work from Office
Full Time
Experienece 7+ years
jd
5+ year working experience with 3GPP evolved Packet core, with detailed knowledge of the UE attach procedures (AS, NAS), the EPC architecture and protocols
5+ year experience in 3GPP LTE and EPC design and architecture
Excellent understanding of 3GPP Call Flows - 2G, 3G, 4G, MNP, Camel, CSFB, SRVCC, VoLTE etc
In-depth knowledge on mobile networks, especially on 3GPP LTE 4G and 5G standards in Packet Core and the interface towards the Radio Network
Detailed knowledge of the protocol stack and layer functionality, control and data plane, specifically UE-eNB, and NAS (UE-MME), X2, and eNB-SGW, and SGW-PCE
Excellent end to end expertise related to Network topology and various interfaces (S1, S6a, S5/S8, SLg, Sh, SLs, S11, SGI, CX, GM, RX, SY, GX, GY and etc.)
Detailed knowledge of HSS, HSS-MME interaction, subscriber profile and subscriber authorization and authentication, functionality and role in network
Experince in Network Level Troubleshooting including Performance / KPI issues
Knowledge and working experience of WiFi
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