Core Network Support Authority
Core
Lead, manage, and support Ericsson CSDB Core network elements and Nokia One-DS and 3DS nodes to ensure high availability, performance, and reliability of voice and multimedia services.
Role type
Senior IC Core Network Support Authority (3rd Line)
Builds
Voice and multimedia services over CSDB architecture
Domain
Telecommunications / Core Network (CSDB)
Required skills
Ericsson CSDB architecture (CCDM, CCSM, HSS, CUDB, HLR, vUPG, EIR, USSD, EDA2), Nokia One-DS and 3DS, Kubernetes, troubleshooting (logs, Wireshark), NFV/SDN/Cloud adaptation
Preferred skills
VNF upgrades/re-deployment, automation, change management, vendor management
Technologies
Ericsson CCDM, CCSM, HSS, CUDB, HLR, vUPG, EIR, USSD, EDA2, Nokia One-DS, 3DS, Kubernetes, Wireshark
Responsibilities
Support CSDB network elements and ensure service availability; Participate in 24x7 On-Call rotation; Conduct root cause analysis and implement workarounds; Configure new number ranges, GTs, APNs, and Roaming Realms; Load new software onto lab and rollout to live; Monitor performance against SLAs and conduct resilience failure analysis
Seniority
Senior, hands-on IC