IMS Core Engineer

((SKY Services)) -
Cairo, EgyptPosted 7 years ago

35Applicants for1 open position

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Working on different type of Core Nodes, CSFB , IMS (P-CSCF, I-CSCF, S-CSCF, MTAS, HSS, CUDB, MGCF, etc.).
Operation and maintenance of IMS platforms for Alarms, faults/abnormal conditions handling
Configuration preparation & implementation for configuration changes requests for IMS nodes and Integration for all nodes ( S-CSCF, I-CSCF, MTAS, HSS, CUDB, etc.) as well.
Defining and changing of all type of IMS data like IP routing change, modification of HSS user data
VoLTE Troubleshooting and call trace analysis..
Revise and confirm LLDs prepared by Planning Teams.

Experience with SS7, ISUP, BICC , SIP , H248, Diameter signalling & protocols configuration change IMS based services is necessary
Analysis of traces, High troubleshooting skills, system backup/restore from backup files, Fault Diagnostics, Preventive Maintenance & upgrades of IMS nodes.
Great Conceptual understanding of IMS evolution and trends - IMS Subsystems, functionalities and IMS services call flows.
Good knowledge of IMS network topology (their various interfaces) , Core IMS Parameters and Features.
Experience in sizing, dimensioning and scaling of network elements like CSCF (P/I/S/E), IMS HSS, BGCF, MGCF, SGW, MGW, SBC, MRF, TAS, Messaging, Conferencing, SNG, MNP servers etc.
Good understanding of operating principles for IMS client and codecs.
Working knowledge of telecom networks like 2G, 2.5G, 3G and LTE (MME, SGW, PGW, and MME).