The Job

MS Core Cloud Specialist CS and IMS-1

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I korthet

Ericsson seeks a senior MS Core Cloud Specialist in Sydney, NSW, with expertise in Ericsson IMS and Nokia MSS/MSC-S platforms to manage voice core infrastructure. Responsibilities include operating and maintaining IMS/CS Core nodes, fault management, software upgrades, and providing Level 3 support.

Ansvarsområden

  • Operate and maintain Ericsson IMS nodes (P/S/I-CSCF, MGCF, MGW, HSS/HLR, TAS, SLF, BGCF, IBCF, TrGW, SBC) across Sydney Data Centers
  • Manage and maintain Nokia MSS (Mobile Softswitch) and MSC-S (MSC Server) nodes for CS Core voice
  • Perform fault management, incident resolution, and root-cause analysis for IMS/CS Core outages
  • Execute software upgrades, patch management, and capacity expansions on Ericsson/Nokia platforms
  • Monitor IMS and CS Core KPIs using Grafana, Kalix, Ericsson ENM; resolve degradations proactively
  • Perform configuration management and provisioning using Ericsson ENM and OneFM
  • Develop and review MOPs for change management and maintenance windows
  • Collaborate with PS CORE, Fixed Voice, VAS, and NOC teams on cross-domain incidents
  • Provide Level 3 support and vendor TAC escalation management (Ericsson and Nokia)
  • Maintain accurate network documentation and knowledge-base articles

Krav

  • Bachelor’s in Telecom, Electronics, Computer Science or equivalent
  • 15+ years CS Core/IMS experience
  • Hands-on Ericsson IMS experience
  • Hands-on Nokia MSS/MSC-S experience
  • Ericsson: P/S/I-CSCF, MGCF/MGW, HSS, TAS, SBC
  • Nokia: MSS, MSC-S
  • Tool knowledge: Grafana, Kalix, Ericsson ENM, OneFM, ITSM / ServiceNow, Unix / Linux CLI
  • Protocol and technology knowledge: SIP / SIP-I, Diameter, MAP / CAP, ISUP / SS7, H.248 / MEGACO, SIGTRAN, RTP / RTCP, VoLTE / VoWiFi, IPv4 / IPv6, SCTP
  • Full right to work in Australia
  • Sydney-based or relocating

Önskade kvalifikationer

  • Good understanding of 5G VoNR and CS Core/IMS Core KPIs
  • Ability to interpret and act on IMS performance degradation trends

Förmåner

  • Outstanding opportunity to use your skills and imagination
  • Build solutions never seen before to some of the world’s toughest problems
  • Challenging work environment with a diverse team of innovators
  • Championing diversity and inclusion is core to Ericsson's values
  • Encouraging people from all backgrounds to apply
  • Realize your full potential as part of the Ericsson team
  • Proud to be an Equal Opportunity Employer
#MS Core#Cloud#Specialist#CS Core#IMS
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Företag

Ericsson

Publicerade jobb

för 1 månad sedan

Anställningstyp

Heltid

Arbetsform

På plats

Erfarenhetsnivå

Senior

Platser

Sydney, Australia

Kvalifikation

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