MS Core Cloud Specialist PS Core - 2

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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

Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world's toughest problems. You´ll be challenged, but you won't be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

Primary country and city: Australia (AU) || Sydney

Req ID: 788217