Senior HPC Engineer - GPU Compute & InfiniBand

Nebius; United States; Remote; USD 150,000 - 230,000; Full time

Job summary

Nebius is building a cutting-edge AI cloud platform for developers and enterprises, blending GPU orchestration with InfiniBand networking. We seek a Senior HPC Cluster Engineer to optimize GPU clusters, InfiniBand fabrics, and virtualization stacks, enabling high-performance, secure multi-GPU HPC environments.

In this role you will integrate new hardware, automate fault detection, and drive performance improvements across Kubernetes, QEMU, and KVM stacks, collaborating with a global,

Qualifications

• 5+ years of system-level software development focused on performance optimization.
• 3+ years of hands-on Linux system administration, troubleshooting, and tuning.
• Deep understanding of server architectures, PCIe devices, NICs, Linux OS/kernel, and HPC systems.
• Proficiency in C/C++, Go, and Python.

Responsibilities

• Tune the performance of GPU clusters and InfiniBand networks for HPC and GPU environments.
• Analyze and troubleshoot the root cause of GPU/InfiniBand issues and propose corrective actions.
• Integrate new hardware into the infrastructure, supporting GPU hardware via Kubernetes, QEMU, and KVM.
• Enhance automation for proactive monitoring and fault detection in GPU/InfiniBand systems.
• Configure and manage GPU devices and InfiniBand fabrics for reliable operation.

Skills

C/C++

Go

Python

Linux

PCIe

HPC

Tools

KVM

QEMU

Kubernetes

Job description

Nebius is building a cutting-edge AI cloud platform for developers and enterprises, blending GPU orchestration with InfiniBand networking. We seek a Senior HPC Cluster Engineer to optimize GPU clusters, InfiniBand fabrics, and virtualization stacks, enabling high-performance, secure multi-GPU HPC environments.

In this role you will integrate new hardware, automate fault detection, and drive performance improvements across Kubernetes, QEMU, and KVM stacks, collaborating with a global,