Description
The following experience are required.
MME, SGSN, SGW, PGW, GGSN, PCRF, GGSN
Huawei USN9810, UGW9811, Cisco GGSN/SGW/PGW
Strong Knowledge on Protocols: BSSAP, RANAP, GTP, MAP, SCTP, Diameter, SGSAP, S1AP, RADIUS
Good Knowledge on Interfaces: Gb, Ga, Gn/Gp, Gr, Gf, Gi, Gy, Gx, SGs, S1, S6a, S10/S11, S5/S8
VoLTE
KPIs Analysis: Mobility, Accessibility, Retainability, Availability, etc
Analysis and Solution for E2E problems like throughput, accessibility and mobility.
Dimensioning Knowledge about capacity for PS Nodes (SGSN GGSN MME SGW/PGW Charing Manager etc)
Abilities to evaluate the network performance.
Good knowledge on CS nodes configuration and parameters (MSC MGW HLR HSS etc), basic and optional features to help to improve the network performance and user experience.
General Knowledge on VoIP solutions.
4-9 years + experience PS senior level and focus on troubleshooting and features development for PS Huawei USN9810 equipment and knowledge on general PS architecture.