MS Core Cloud Specialist PS Core-2

About this opportunity
Ericsson is seeking a highly skilled MS Core Cloud Specialist – Packet Core to join our team in Sydney, NSW. This senior role requires deep expertise in Ericsson PS Core platforms and Amdocs PCF/PCRF to manage and evolve Packet Core network infrastructure across Australian Data Centers.

What you will do
· Operate and maintain Ericsson PS Core nodes (vSGSNMME, vCGSNMME, vCSGNEPG, Consumer/Corporate vEPG, LTE-CA, DNS, Native WMG) across Sydney Data Centers
· Manage and maintain Amdocs PCF (N7/N15/N28) and PCRF (Gx/Gy/Gz) nodes for policy and charging
· Perform fault management, incident resolution, and root-cause analysis for PS Core outages
· Execute software upgrades, patch management, and capacity expansions on Ericsson/Amdocs platforms
· Monitor network KPIs using Grafana, Kalix, and 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 IMS, Fixed Voice, VAS, and NOC teams on cross-domain incidents
· Provide Level 3 support and vendor TAC escalation management
· Maintain accurate network documentation and knowledge-base articles

You will bring

Education and experience
· Education: Bachelor’s in Telecom, Electronics, Computer Science or equivalent
· Experience: 15+ years PS Core network engineering — hands-on Ericsson platforms

Mandatory technical skills
· Deep expertise in Ericsson vSGSN, vCGSN, vEPG, LTE-CA
· Strong hands-on experience with Amdocs PCF/PCRF (PCF N7/N15/N28; PCRF Gx/Gy/Gz)

Tool knowledge
· Grafana
· Kalix
· Ericsson ENM
· OneFM
· ITSM / ServiceNow
· Unix / Linux CLI

Protocol and technology knowledge
· Diameter
· GTP-C / GTP-U
· PFCP
· S1-MME
· HTTP/2 (5G)
· 5G NAS
· RADIUS
· IPv4 / IPv6
· QoS / 5QI
· SCTP

Node types and platforms
· Ericsson – vSGSNMME: Serving GPRS Support Node / Mobility Management Entity — 2G/3G/4G attach and session management
· Ericsson – vCGSNMME: Combined GGSN/PGW — packet gateway, bearer management, APN routing
· Ericsson – vCSGNEPG: Cloud Smart GGSN/EPG — EPC gateway functions, VoLTE bearer support
· Ericsson – Consumer/Corporate vEPG: Evolved Packet Gateway — consumer and corporate APN separation
· Ericsson – LTE-CA: LTE Charging Aggregator — offline charging, CDR generation and mediation
· Ericsson – DNS (Gn/Gp): Domain Name System for GPRS inter-PLMN routing and APN resolution
· Ericsson – Native WMG: Wireless Mediation Gateway — mediation and routing of charging records
· Amdocs – PCF: Policy Control Function (N7/N15/N28) — 5G policy rules and QoS control
· Amdocs – PCRF: Policy & Charging Rules Function (Gx/Gy/Gz) — 4G policy and online/offline charging

Additional advantages and requirements
· Added advantage: Good understanding of 5G Technology and PS Core KPIs, with ability to interpret and act on packet core performance degradation trends
· Right to Work: Full right to work in Australia; Sydney-based or relocating