Technical Authority Expert-cs Ims Core
4 months ago
**Join our Team**:
**About this opportunity**:
Join Ericsson as an E2E Service Expert and play a pivotal role in the execution of our new Operation Model. This position requires exceptional knowledge on CS, IMS and UDC domains, beside different types of voice and Data services such as VoLTE and VoWiFi, and a comprehensive understanding of Mobile Networks architectures - both legacy and Cloud-based. As an E2E Service Expert, you will drive and support the successful implementation and transition of customer projects into MS responsibilities, while relentlessly pursuing continuous service and automation upgrades.
**What you will do**:
- 2nd Level Assurance Support Activities
- 2nd Level Incident Management, Fault and KPIs troubleshooting
- 2nd Level preventive maintenance Software Deployment; updates and upgrades on all Voice domain nodes (CS/IMS/UDC)
- Configuration Management; Service creation, provisioning & testing
- Nodes introduction, expansion, acceptance and commissioning.
- Customer support handling and CSRs follow-ups.
- Customer Service Requests Handling
**The skills you bring**:
**Deep knowledge in**:
- CS & IMS core network architecture and interfaces
- CS & IMS core network functions on complete voice domain nodes including CS and UDM (MSC, MGW,IP-STP, SBC, DSC, CUDB, HLR-FE, HSS-FE, EIR-FE) and IMS nodes (SBG, CSCF, MTAS, IBCF, UPG, AFG, NeLS, BGF, TRGW, IPWORKS)
- CS/VoLTE E2E signaling and call flows
- Hands-on Experience on:
- AXE & CPP nodes Commissioning, configuration, operations & maintenance.
- UDC (HLR-FE, HSS-FE, EIR-FE and CUDB), IP-STP, MSC/GMSC data configuration, SW upgrade operations & Maintenance
- Ericsson IMS nodes (SBG, CSCF, MTAS, IBCF, UPG, AFG, NeLS, BGF, TRGW, IPWORKS) data configuration, SW upgrade operations & Maintenance
- SS7 protocol stack and troubleshooting
- SIP / Diameter protocol stack and troubleshooting
- Call tracing
- Linux/Unix
- ENM Tools Hands-on experience
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