Senior Network Engineer: Cloud-Native Core & Automation

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

Job summary

Ericsson Australia is seeking a Senior Network Engineer to lead Core and EMS architecture across a large multi-vendor environment. You will drive design reviews, handovers to operations, and ensure stability with cloud-native core deployments.

You will mentor teams, advance security and lifecycle upgrades, and support presales for Core offerings. Strong hands-on with Cisco/Juniper IP cores, Kubernetes/OpenShift, Docker, and Ansible is required.

Qualifications

• Bachelor’s degree in Engineering or equivalent technical qualification.
• 10+ years in cellular networks, including 3+ years in 5G SA/NSA.
• 10+ years across telecom core operations, design, or architecture, ideally EPC/Cloud Native Core.

Responsibilities

• Lead as the technical authority for Core and EMS across new projects, from impact assessment and design reviews to acceptance and handover to operations.
• Create clear work instructions for Ericsson Dual Mode Core, including disaster recovery and orchestration of containerized network functions.
• Introduce and integrate new core network elements, cloud native capabilities, and lifecycle upgrades with delivery and project teams.
• Identify and implement network automation using Python, Shell, and Ansible to remove repetitive tasks.
• Provide 2nd level escalation support to Core, IP Transport, and OSS operations teams.
• Oversee security vulnerability management, certificate lifecycle, and monthly technical and installed base audits.

Skills

Core network

EMS

5G expertise

Python

Ansible

Bash/Shell

Automation

Education

Bachelor’s degree in Engineering

Tools

Cisco IP core

Juniper IP core

Kubernetes

OpenShift

Docker

Helm

Job description

Ericsson Australia is seeking a Senior Network Engineer to lead Core and EMS architecture across a large multi-vendor environment. You will drive design reviews, handovers to operations, and ensure stability with cloud-native core deployments.

You will mentor teams, advance security and lifecycle upgrades, and support presales for Core offerings. Strong hands-on with Cisco/Juniper IP cores, Kubernetes/OpenShift, Docker, and Ansible is required.