Network Engineer

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.

Responsibilities

• Deploy, configure and support switches, routers and firewalls across our data centres and network locations.
• Troubleshoot connectivity, routing and performance issues, and escalate with clear information when needed.
• Support new site builds, including cabling and fibre checks, device bring-up and testing.
• Responsible for safely planning and implementing changes to the network.
• Responsible for maintaining network observability and health, and for responding to alerts.
• Keep our network source of truth, documentation and diagrams accurate.
• Write and maintain automation for everyday network tasks, such as device setup, configuration changes and health checks.
• Contribute to our network tools and code through Git and code review, using AI tools to work faster while checking their output.
• Work with vendors, carriers and site teams to resolve faults.

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 good 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.

Benefits

• Competitive salary range finalized based on experience and impact
• Short and long-term incentive programs designed to reward both results and long term company success 

We value diverse perspectives and believe that skills can be developed. If you’re passionate about this role, we want to hear from you — whether you meet every criteria or not. Your unique experiences might be exactly what we need! 

IREN is an equal opportunity employer that is committed to creating an inclusive workplace. We are committed to evaluating qualified applicants and do not discriminate against protected characteristics under applicable legislation. This job will remain posted until filled. While we appreciate all applications we receive, we are only able to contact candidates under consideration.  

By applying for this position and submitting your resume and application materials, you consent to the processing of your personal information in accordance with our Job Applicant Privacy Statement available on our website at www.iren.com.