Senior HPC Infrastructure Engineer (AI)

Location: Australia — Sydney, NSW or Launceston, TAS

Company

hirify.global develops sustainable AI infrastructure and complex software-defined infrastructure platforms.

What you will do

• Design and implement bare-metal provisioning workflows using Ironic, Kubernetes CRDs, and custom operators.
• Deploy and manage GPU-enabled AI compute nodes with RDMA, InfiniBand, and RoCE networking.
• Optimise Kubernetes and Slurm platforms for multi-node AI training, including NCCL, UCX, GPUDirect, and fabric tuning.
• Build GPU scheduling, isolation, resource-management, observability, and cluster validation capabilities.
• Develop benchmarking workloads using MLPerf, NCCL tests, microbenchmarks, and throughput or latency validation.
• Collaborate with SRE, site operations, and networking teams on reliability, hardware bring-up, documentation, and continuous improvement.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• Experience with bare-metal provisioning tools such as Metal3, OpenStack Ironic, MaaS, xCAT, or similar.
• Deep knowledge of Kubernetes internals, including CRDs, controllers, operators, and cluster lifecycle management.
• Strong understanding of Slurm, GPU systems, CUDA/NCCL, NVLink, NVSwitch, PCIe, and distributed AI or HPC workloads.
• Practical Linux systems engineering experience, plus automation with Ansible, Helm, Terraform/OpenTofu, or equivalent.
• Experience with firmware, BIOS, BMC/IPMI/Redfish, programming in Go, Bash, Rust, or Python, and production on-call support.

Culture & Benefits

• Full-time employment.
• Inclusive workplace welcoming candidates from diverse backgrounds.
• Work focused on sustainable engineering practices and AI infrastructure innovation.
• Reporting to the Senior Manager, Software Defined Infrastructure.