Principal Solution Architect – AI Infrastructure and Cloud

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 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.

As a Principal Solution Architect, you will sit at the tip of the spear for IREN's AI Cloud platform. You will partner directly with client CTOs, lead ML engineers, and infrastructure architects to design, benchmark, and optimize massively distributed training and inference clusters. You will convert complex customer requirements into optimized hardware/software configurations while creating reference architectures that set industry benchmarks.

Job Description

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.

As a Principal Solution Architect, you will sit at the tip of the spear for IREN's AI Cloud platform. You will partner directly with client CTOs, lead ML engineers, and infrastructure architects to design, benchmark, and optimize massively distributed training and inference clusters. You will convert complex customer requirements into optimized hardware/software configurations while creating reference architectures that set industry benchmarks.

Job Requirements

• Basic Qualifications:
  • Experience: 8-10+ years as a Solution Architect, Systems Engineer, or Infrastructure Architect handling enterprise cloud, HPC, or AI environments.
  • AI & Hardware Mastery: Deep hands-on experience with high-density GPU nodes (NVIDIA HGX/DGX/Blackwell), Linux bare-metal virtualization, and RDMA networking (InfiniBand/RoCE v2).
  • Orchestration & Storage: Proficiency with Kubernetes, container networking (CNI), and parallel file systems (Lustre, VAST, Ceph).
  • Customer-Facing Execution: Proven ability to lead complex technical workshops, present to C-suite executives, and resolve high-stakes production bottlenecks.
• Preferred Qualifications:
  • Practical experience tuning NCCL communication, GPUDirect Storage (GDS), or custom InfiniBand routing fabrics.
  • Contributions to open-source cloud-native or AI orchestration projects (e.g., CNCF, Ray, Slurm, k0rdent).
  • B.S. or M.S. in Computer Science, Computer Engineering, or quantitative discipline.

Job Responsibilities

• Primary Technical Authority: Serve as the trusted lead technical architect for tier-1 enterprise customers migrating or scaling AI workloads on IREN's infrastructure.
• Architectural Blueprinting: Design, document, and publish end-to-end reference architectures covering GPU clusters, InfiniBand/RoCE network topologies, Ceph/Lustre storage fabrics, and Kubernetes multi-tenancy.
• PoCs & Performance Benchmarking: Lead hands-on proof-of-concept deployments, conducting cluster benchmarking (e.g., NCCL-tests, Linpack, MLPerf, IO500) to validate customer SLA requirements.
• Workload Optimization: Partner with client engineering teams to profile and optimize distributed training jobs (Megatron-LM, DeepSpeed, PyTorch FSDP) and inference pipelines (vLLM, TensorRT-LLM).
• Product Feedback Conduit: Translate customer pain points, telemetry, and edge cases to structured platform requirements for IREN's core Product and Operations teams.

Job Benefits

The IREN Package

At IREN, we offer a highly competitive compensation package that includes base salary, annual performance incentives, and opportunities to build long-term wealth through equity programs. These offerings are part of our broader Total Rewards package, thoughtfully designed to support your health, well-being, and long-term success.

Compensation

• Actual compensation will bedeterminedbased on factors such as experience, qualifications, and market data for the region.
• Total Compensation packagemay beinclusiveof short-term and long-term incentives.
• Relocation (as applicable and based on successful candidate circumstances)

Health & Wellness

• Medical, dental, and vision insurance coverage - 100% company paid for employees, 75% company paid coverage for dependents
• Company-paid life and disability insurance
• Voluntary life, critical illness, and accident coverage available
• Health Savings Accounts (HSA) - when combined with theHigh-DeductibleHealthPlan
• Employee Assistance Program and wellness resources

Financial Well-Being

• 401(k) retirement plan with company match
• Financial wellness tools and resources

Time Off & Flexibility

• Paid Time Off (PTO) and paid holidays
• Flexible work arrangements

Growth & Development

• Opportunities for advancement and internal mobility
• Training and personal development opportunities

Lifestyle & Culture

• Company events and team-building activities

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!

IE US Operations Inc., the employing entity and proud member of the IREN group 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. 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 .