Join our Team
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 Level3 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
Solid 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.
learn more.
Primary country and city: Australia (AU) || Sydney
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📌 Ms Core Cloud Specialist Ps Core-2 (New South Wales)
🏢 Ericsson
📍 New South Wales