GPU Cluster Architect

<div class="content-intro">Why work at Nebius Nebius is leading a new era in cloud computing to serve the global AI economy. We create the tools and resources our customers need to solve real-world challenges and transform industries, without massive infrastructure costs or the need to build large in-house AI/ML teams. Our employees work at the cutting edge of AI cloud infrastructure alongside some of the most experienced and innovative leaders and engineers in the field.Where we work Headquartered in Amsterdam and listed on Nasdaq, Nebius has a global footprint with R&D hubs across Europe, North America, and Israel. The team of over 800 employees includes more than 400 highly skilled engineers with deep expertise across hardware and software engineering, as well as an in-house AI R&D team.</div><h3>The role </h3>We are seeking a GPU Cluster Architect to drive the design of our next-generation AI infrastructure. In this high-impact, hands-on role, you will make end-to-end architectural decisions across compute, networking, and storage — ensuring our platforms can meet the massive scale, performance, and reliability requirements of modern AI workloads.This is a high-impact, hands-on architecture role where you’ll define how tens of thousands of GPUs are interconnected, cooled down, powered, and optimized across multiple data center sites.You are welcome to work remotely from the USA. Your responsibilities will include: <ul><li>Cluster Design: Architect scalable GPU cluster topologies including compute nodes, interconnect (InfiniBand, Ethernet), storage, and control planes.</li><li>Performance Modeling: Analyze AI/ML workloads (e.g. LLM training, inference) to inform design tradeoffs across latency, bandwidth, and GPU density.</li><li>Network Architecture: Align with network architect relevant design and validate low-latency, high-throughput interconnects (e.g., InfiniBand HDR/NDR, RoCEv2) at POD and DC scale.</li><li>Storage Integration: Work with storage teams to optimize performance for training datasets, checkpointing, and others.</li><li>Reliability & Monitoring: Understand and analyze signal from monitoring systems to the detect flows in design</li><li>Collaboration: Partner with site reliability, networking, storage, and DC engineering teams to operationalize and scale your architecture.</li></ul>We expect you to have: <ul><li>5+ years of experience designing clusters.</li><li>Deep understanding of modern GPU architecture (NVIDIA, AMD, etc.).</li><li>Experience with HPC interconnects (InfiniBand & RoCE).</li><li>Solid background in systems architecture, networking, and hardware reliability.</li><li> Experience in scripting for automation and telemetry pipelines (Python, Go, etc.)</li></ul><div class="job__description body"><div>Key employee benefits in the US:<ul><li>Health insurance: 100% company-paid medical, dental, and vision coverage for employees and families.</li><li>401(k) plan: Up to 4% company match with immediate vesting.</li><li>Parental leave: 20 weeks paid for primary caregivers, 12 weeks for secondary caregivers.</li><li>Remote work reimbursement: Up to $85/month for mobile and internet.</li><li>Disability & life insurance: Company-paid short-term, long-term and life insurance coverage.</li></ul>CompensationWe offer competitive salaries, ranging from  $150k- $180k base + quarterly performance bonuses.</div><div>What we offer <ul><li>Competitive salary and comprehensive benefits package.</li><li>Opportunities for professional growth within Nebius.</li><li>Hybrid working arrangements.</li><li>A dynamic and collaborative work environment that values initiative and innovation.</li></ul>We’re growing and expanding our products every day. If you’re up to the challenge and are excited about AI and ML as much as we are, join us!</div></div><div class="job-alert job-alert--margin"><div> </div></div><div class="content-conclusion">What we offer <ul><li>Competitive salary and comprehensive benefits package.</li><li>Opportunities for professional growth within Nebius.</li><li>Hybrid working arrangements.</li><li>A dynamic and collaborative work environment that values initiative and innovation.</li></ul>We’re growing and expanding our products every day. If you’re up to the challenge and are excited about AI and ML as much as we are, join us!</div>

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