Lead AI Cloud Architect: Scalable GPU Clusters

IREN; United States; On-site; USD 180,000 - 260,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account

Employee Assistance Program

401(k) with Company Match

Paid Time Off

Flexible Work Arrangements

Relocation Assistance

Job summary

IREN seeks a Principal Solution Architect to lead the design and benchmarking of massively distributed GPU clusters for AI training and inference. You will partner with client CTOs, ML engineers, and infra architects to translate complex requirements into optimized hardware/software configurations and scalable reference architectures.

You will drive PoCs, performance benchmarking, and workload optimization across Megatron-LM, DeepSpeed, PyTorch FSDP, vLLM, and TensorRT-LLM within IREN’s GPU-rich

Qualifications

• 8-10+ years in Solution Architecture / Systems/Infrastructure roles
• Deep hands-on experience with high-density GPU nodes and related AI infra
• Proficiency with Kubernetes, container networking, and parallel FS (Lustre, VAST, Ceph)
• Experience leading workshops and presenting to C-suite executives

Responsibilities

• Trusted lead technical architect for tier-1 enterprise customers migrating or scaling AI workloads
• Design, document, and publish end-to-end reference architectures for GPU clusters and storage fabrics
• Lead PoCs and performance benchmarking (NCCL-tests, Linpack, MLPerf, IO500)
• Profile and optimize distributed training and inference pipelines (Megatron-LM, DeepSpeed, PyTorch FSDP; vLLM, TensorRT-LLM)
• Translate customer feedback into platform requirements for Product and Ops teams

Skills

Solutions Architecture

Enterprise Cloud

HPC/AI Infra

GPU Hardware (NVIDIA HGX)

RDMA Networking

Kubernetes

Ceph/Lustre

NCCL Tuning

GPUDirect Storage

Open-source Cloud/AI Projects

Education

BS/MS in CS/CE or quantitative discipline

Tools

NVIDIA HGX/DGX/Blackwell

Linux Bare-metal Virtualization

InfiniBand/RoCE v2

Job description

IREN seeks a Principal Solution Architect to lead the design and benchmarking of massively distributed GPU clusters for AI training and inference. You will partner with client CTOs, ML engineers, and infra architects to translate complex requirements into optimized hardware/software configurations and scalable reference architectures.

You will drive PoCs, performance benchmarking, and workload optimization across Megatron-LM, DeepSpeed, PyTorch FSDP, vLLM, and TensorRT-LLM within IREN’s GPU-rich