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About this opportunity

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
- Robust 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.

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer.

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

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📌 MS Core Cloud Specialist PS Core-1 (City of Sydney)
🏢 Ericsson
📍 City of Sydney