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 secure 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 Senior Network Engineer you will build and run the networks behind IREN's AI cloud. You will bring up new GPU fabrics, keep our WAN and edge healthy, and make well-planned changes that keep customer workloads running around the clock.
Requirements

- Solid experience as a network engineer in data centre, cloud or service provider environments.
- Proficiency in configuring, testing, validating and troubleshooting LAN networks, especially in medium to large-scale HPC and AI environments.
- Strong BGP, OSPF or IS-IS, and MPLS skills, including traffic engineering, and hands-on experience with leaf-spine fabrics.
- Advanced, hands-on knowledge of VXLAN, EVPN and SDN.
- Hands-on experience with network platforms such as Cisco, Juniper and Arista.
- Experience with firewalls, VPNs and WAN technologies such as SD-WAN.
- Strong software engineering experience, writing network automation and code to design, provision and operate the network and its systems, in languages such as Python or Go.
- Experience with NVIDIA Spectrum networking, RoCE or InfiniBand in large deployments, HPC architectures, cluster management such as NVIDIA Base Command Manager or Run:ai, and GPU platforms such as NVIDIA DGX and CUDA is highly regarded.
- A methodical approach to troubleshooting and change, and good written communication.

📌 Network Engineer (Sydney)
🏢 IREN
📍 Sydney