Description

Job Type: Full-time | Location: Sydney, NSW | Department: Network | Reporting to: Senior Manager, Network Engineering | Work Location Type: #onsite

IREN is a vertically integrated AI Cloud provider, delivering large-scale data centers and GPU clusters for AI training and inference. IREN’s platform is underpinned by its expansive portfolio of grid-connected land and power in renewable-rich regions across North America, Europe and APAC.

With 100% renewable energy, we build, own and operate our data centers and take pride in being at the forefront of sustainable solutions for the ever-evolving applications of high-performance compute. We believe that human progress is invaluable, but it should be done in the right way – responsibly, sustainably and having a positive impact on the communities we operate in.

We have grown substantially since 2019, from our inception in Australia to now having several facilities across North America and being listed on NASDAQ… and we are just getting started! By joining us, you will be contributing to the future of sustainable high-performance compute and the local communities we strive to have a positive impact on.





The Senior Network Engineer (Fabric Deployment) in the Deployment Team is responsible for designing, deploying, automating, and optimizing high-performance data center networks that power large-scale AI/ML and cloud infrastructure.
Requirements

- Excellent written and verbal communications skills are mandatory.
- Strong ownership mindset and a excellent attitude.
- Ability to travel and work flexible hours to support the organization.
- Proven experience in large scale and/or complex data center networks
- Deep expertise in Layer 2/3 networking (VLANs, VXLAN, BGP EVPN, OSFF, IS-IS)
- Deep expertise in Data center fabric design (CLOS, ECMP)
- Strong experience with networking hardware (Nvidia Spectrum-X, Fortinet, Arista, Cisco, Dell)
- Strong experience with networking software (Cumulus Linux / Sonic / NX-OS / EOS)
- Strong experience with firewalls and security (Fortinet, Firewall Rules, VDOM)
- Support RDMA/RoCEv2 or InfiniBand environments (if applicable), including PFC, ECN, and lossless fabric tuning.
- Automation Tooling – Python, Ansible, Git, Gitlab, Python, Terraform

📌 Senior Network Engineer (Fabric Deployment) (Sydney)
🏢 IREN
📍 Sydney