For visa reason, only Latin American, Malaysian , Indonesian or Candidate with US visa are considered
· 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
· 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.