The Job

MS Core Cloud Specialist CS and IMS-2

Teknik, data och digitalt · IT-infrastruktur och säkerhet · Molnteknik

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I korthet

Ericsson seeks a Senior MS Core Cloud Specialist in Sydney, NSW, with 15+ years of experience in CS Core/IMS, specifically Ericsson IMS and Nokia MSS/MSC-S platforms. Responsibilities include operating, maintaining, and upgrading voice core infrastructure, fault management, 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
  • Hands-on Nokia MSS/MSC-S
  • Ericsson: P/S/I-CSCF, MGCF/MGW, HSS, TAS, SBC
  • Nokia: MSS, MSC-S
  • Grafana knowledge
  • Kalix knowledge
  • Ericsson ENM knowledge
  • OneFM knowledge
  • ITSM / ServiceNow knowledge
  • Unix / Linux CLI knowledge
  • SIP / SIP-I protocol knowledge
  • Diameter protocol knowledge
  • MAP / CAP protocol knowledge
  • ISUP / SS7 protocol knowledge
  • H.248 / MEGACO protocol knowledge
  • SIGTRAN protocol knowledge
  • RTP / RTCP protocol knowledge
  • VoLTE / VoWiFi technology knowledge
  • IPv4 / IPv6 knowledge
  • SCTP knowledge
  • Full right to work in Australia
  • Sydney-based or relocating

Önskade kvalifikationer

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

Förmåner

  • Outstanding opportunity to use skills and imagination
  • Build solutions never seen before
  • Challenged, but not alone
  • Joining a team of diverse innovators
  • Challenging work environment
  • Encouraging a diverse and inclusive organization is core to Ericsson's values
  • Championing diversity and inclusion in everything they do
  • Collaborating with people with different experiences drives innovation
  • People from all backgrounds encouraged to apply
  • Realize their full potential as part of the Ericsson team
  • Ericsson is proud to be an Equal Opportunity Employer
#MS Core Cloud Specialist#CS and IMS#Ericsson#Nokia#Sydney
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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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