Senior Cloud-Native Core Network Engineer

Ericsson GmbH; Sydney; Hybrid; AUD 150,000 - 190,000; Full time

Job summary

Ericsson North Ryde, NSW invites a Senior Network Engineer to drive core network and EMS design, delivery and operations across a large multi‑vendor environment.

You will lead technical reviews, craft procedures for Dual Mode Core, mentor ops teams and support end‑to‑end presales for Core portfolio offerings.

Bring 10+ years in cellular networks with 3+ years in 5G SA/NSA, strong Cisco/Juniper/IP core and expertise in Python, Ansible and cloud‑native deployments.

Qualifications

• Bachelor’s degree in Engineering or equivalent technical qualification.
• 10+ years in cellular networks with 3+ years in 5G SA/NSA.
• Extensive experience with Ericsson Core Network products and EMS.
• Strong hands-on with Cisco and Juniper IP core infrastructure.
• Deep knowledge of MPLS, BGP, OSPF, and Segment Routing.

Responsibilities

• Lead as technical authority for Core and EMS across new projects.
• Create work instructions for Ericsson Dual Mode Core and DR/ orchestration.
• Integrate new core network elements and lifecycle upgrades.
• Automate network tasks using Python, Bash, and Ansible.
• Provide escalation support to Core, IP Transport and OSS teams.
• Audit security, certificates, and installed base measures.
• Support end-to-end presales for Core portfolio offerings.
• Review procedures and execute network changes and upgrades.
• Maintain end-to-end topology visibility and interworking.

Skills

Cellular networks

5G knowledge (SA/NSA)

Core network experience

EMS experience

Ericsson core network

Networking protocols (MPLS, BGP, OSPF,

Python/Shell/Ansible

Cloud-native deployments (Kubernetes,

UNIX/Linux administration

Security in telecom networks

Education

Bachelor's degree in Engineering

Tools

Cisco

Juniper

Ericsson Core Network products

EMS

Kubernetes

OpenShift

Docker

Helm

Ansible

Job description

Ericsson North Ryde, NSW invites a Senior Network Engineer to drive core network and EMS design, delivery and operations across a large multi‑vendor environment.

You will lead technical reviews, craft procedures for Dual Mode Core, mentor ops teams and support end‑to‑end presales for Core portfolio offerings.

Bring 10+ years in cellular networks with 3+ years in 5G SA/NSA, strong Cisco/Juniper/IP core and expertise in Python, Ansible and cloud‑native deployments.