Description

Job Type: Full-Time | Location: Sydney, NSW | Department: Network | Reporting to: Vice President, Network Engineering | Work Location Type: #remote #hybrid

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.

Our Network Engineering team builds the networks that power AI at scale. We design and run the high-performance fabrics that connect tens of thousands of GPUs, the backbone and WAN that link our campuses across continents, and the facilities networks that keep our data centers safe and running.

Our work spans all aspects of network engineering for IREN, from the data center and core to the WAN and peering edge.

Our Network Engineering team builds the networks that power AI at scale. We design and run the high-performance fabrics that connect tens of thousands of GPUs, the backbone and WAN that link our campuses across continents,



and the facilities networks that keep our data centres safe and running.
Our work spans all aspects of network engineering for IREN, from the data centre and core to the WAN and peering edge. software capability of the team.

As a Network Engineer you will help build and look after the networks that run IREN's AI cloud. Working alongside senior engineers, you will deploy and support data centre fabrics, firewalls and WAN links, and keep our sites connected and healthy as we grow.
Requirements

- Experience as a network engineer or in a network operations role.
- Experience configuring, testing, validating and troubleshooting LAN networks, ideally in HPC or AI environments.
- A positive grasp of IP routing, VLANs and switching, and working knowledge of BGP, OSPF or IS-IS, and MPLS, including traffic engineering.
- Knowledge of and experience with VXLAN, EVPN and SDN.
- Experience with one or more network platforms such as Cisco, Juniper or Arista.
- Hands-on experience with firewalls and VPNs.
- Software engineering experience, including writing network automation and code to design, provision and operate the network and its systems, in languages such as Python or Go.
- Exposure to NVIDIA Spectrum networking, HPC or GPU platforms such as NVIDIA DGX is highly regarded.
- A logical approach to troubleshooting and attention to detail.
- Clear communication and a willingness to learn from and share with the team.

📌 Network Engineer (Sydney)
🏢 IREN
📍 Sydney