Senior HPC Engineer, GPU Compute

Nebius Group; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Nebius Group is seeking a Senior HPC Cluster Engineer to drive performance and reliability for our hyperscaler platform. You will optimize GPU clusters, InfiniBand networks, and related virtualization stacks, collaborating with hardware teams to support new GPU hardware and virtualization features.

The role emphasizes troubleshooting, automation, and proactive monitoring to ensure high availability in multi-GPU HPC environments.

Qualifications

• Experience with GPU clusters and HPC environments.
• Experience with Kubernetes, QEMU, and KVM.
• Ability to analyze and troubleshoot GPU/InfiniBand issues.
• Experience integrating new hardware into cloud infrastructure.

Responsibilities

• Tuning the performance of GPU clusters and InfiniBand networks to ensure optimal operation in HPC and GPU-based environments.
• Analyzing and troubleshooting the root cause of issues related to GPUs and InfiniBand networks, and proposing corrective actions.
• Integrating new hardware into the existing infrastructure, including support for new GPU hardware through software stacks like Kubernetes, QEMU, and KVM.
• Enhancing automation systems for proactive monitoring, detecting, and resolving issues in a complex system.

Skills

GPU computing

InfiniBand networks

KVM/QEMU

System optimization

Troubleshooting

Tools

Kubernetes

QEMU

KVM

Job description

About Nebius

Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.

The role

We're looking for a Senior HPC Cluster Engineer to join our team and play a key role in the development of our cutting-edge hyperscaler platform. The GPU & InfiniBand team is responsible for enhancing and optimizing the core components of our Cloud platform, with a specific focus on GPU computing, InfiniBand networks, and the KVM/QEMU stack. You'll work closely with hardware virtualization and device emulation technologies, ensuring high performance and security in multi-GPU, HPC environments. The role involves analyzing, troubleshooting, and improving infrastructure to support new hardware, fine-tuning system performance, and automating fault detection and resolution in a complex system.

• Tuning the performance of GPU clusters and InfiniBand networks to ensure optimal operation in HPC and GPU-based environments.
• Analyzing and troubleshooting the root cause of issues related to GPUs and InfiniBand networks, and proposing corrective actions.
• Integrating new hardware into the existing infrastructure, including support for new GPU hardware through software stacks like Kubernetes, QEMU, and KVM.
• Enhancing automation systems for proactive monitoring, detecting, and resolving is