Mobile Voice QoS CEM

Responsibilities

• Troubleshoot signaling related problems for CS core interfaces IuCS, A,MAP and all roaming interfaces etc
• Responsible for the end to end CS core services dashboards for accessibility, retain ability and performance KPIs
• Troubleshoot A, MAP, BIIC, and SIP protocols problems.
• Audit CS core service and mobility problems such as LAC update failures and relocation failures to address configuration inconsistency between core configuration and engineering design.
• Act as level 2 support for all technical operations teams in voice services.
• Study and test new network features that aim to enhance customer experience in both accessibility and retainability
• Follow up on opened cases with operations and engineering teams to ensure proper problem resolution
• Handle VIP, corporate and complex data services complaints cases.
• Perform regular subjective benchmarking campaigns to compare our network performance and KPIs with competitors KPIs.
• Respond to the regulator audit report specifically in the packet core related part.
• Design and implement alarms that highlight service level violations.