Network Engineer

Sydney, New South WalesRemoteFull-time2026-11-05 → 2026-11-11

Hybrid

Core

Design and run high-performance network fabrics connecting tens of thousands of GPUs for AI training and inference, including data center core, WAN, and peering edge.

Role type

Senior IC Network Engineer (AI/HPC)

Builds

High-performance GPU fabrics, WAN backbones, and facilities networks for AI cloud infrastructure

Domain

AI Cloud, High-Performance Computing (HPC), Data Centers

Deliverable

production ML models

Required skills

BGP, OSPF, IS-IS, MPLS, VXLAN, EVPN, SDN, Python, Go, Cisco, Juniper, Arista, NVIDIA Spectrum, RoCE, InfiniBand

Preferred skills

NVIDIA Base Command Manager, Run:ai, NVIDIA DGX, CUDA

Technologies

Cisco, Juniper, Arista, NVIDIA Spectrum, RoCE, InfiniBand, Python, Go

Responsibilities

Bring up new GPU fabrics, maintain WAN and edge health, execute planned network changes, configure and troubleshoot LAN networks in HPC/AI environments, write network automation code

Seniority

Senior, hands-on IC

About iren

IREN is scaling rapidly across the US, Canada, Australia, and Europe as we expand our AI cloud and GPU infrastructure business. We're looking for a Manager, Recruiting Operations to build and run the operational backbone of our Talent Acquisition function — the team, tools, processes, budget, and compliance framework that let recruiters focus on hiring great people instead of fighting the system. This is a hands-on leadership role for someone who thinks like an operator: equal parts people manager, project manager, systems owner, and analyst, running the Recruiting PMO, owning our ATS and recr