Senior Network Fabric Engineer, Data Center & Automation

IREN; Sydney; On-site; AUD 150,000 - 210,000; Full time

Benefits offered by this job

Incentive programs

Job summary

IREN is seeking a Senior Network Engineer to design and deploy high-performance data center fabrics for AI and cloud infra in Sydney. You will drive fabric deployment, integrate InfiniBand/RoCE, and lead cross-disciplinary teams through construction and energization phases.

The role demands deep L2/L3 networking expertise, hands-on hardware/software experience across Nvidia Spectrum-X, Fortinet, Arista, Cisco and related tooling, plus automation with Python and Ansible.

Qualifications

• Proven experience in large-scale data center networks.
• Strong expertise in L2/L3 networking and fabric design.
• Experience with hardware and software in data center networks.

Responsibilities

• Design and deploy network architecture for AI data centers.
• Lead network workstreams with construction and DC ops teams.
• Configure and validate switches at scale for production readiness.
• Develop standardized designs, BOMs and deployment runbooks.
• Automate provisioning, config generation and validation.
• Own network acceptance testing and cluster bring-up.

Skills

DC networks

VLANs/VXLAN

BGP EVPN

CLOS fabric

Nvidia Spectrum-X

Fortinet/Arista/Cisco

Python

Ansible/Terraform

RDMA/InfiniBand

Firewall rules

Tools

Cumulus Linux

NX-OS/EOS

GitLab

Git

Terraform

Ansible

Job description

IREN is seeking a Senior Network Engineer to design and deploy high-performance data center fabrics for AI and cloud infra in Sydney. You will drive fabric deployment, integrate InfiniBand/RoCE, and lead cross-disciplinary teams through construction and energization phases.

The role demands deep L2/L3 networking expertise, hands-on hardware/software experience across Nvidia Spectrum-X, Fortinet, Arista, Cisco and related tooling, plus automation with Python and Ansible.