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Senior HPC Cluster Engineer

Nebius· System Engineers
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Hybrid (Madrid / Europe / UK)Full-timePosted 7mo ago

About the role

Senior HPC Cluster Engineer to join Nebius and contribute to the hyperscaler platform by focusing on GPU computing, InfiniBand networks, and the KVM/QEMU stack within a multi-GPU HPC environment.

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 GPU and InfiniBand environments.
  • Configuring and managing GPU devices and InfiniBand fabrics, ensuring efficient and reliable operation.

Qualifications

  • 5+ years of professional experience in system-level software development (focused on performance optimization, low-level programming).
  • 3+ years of hands-on experience with Linux systems (administration, troubleshooting, and performance tuning).
  • In-depth understanding of server architecture, including PCIe devices, NICs, Linux OS/Kernel, and HPC systems.
  • Strong proficiency in one or more performance-oriented programming languages (C/C++, Go, Python).

Skills

Required:Performance-oriented programmingLinux system administration

Benefits

  • Competitive compensation
  • Career growth and learning opportunities
  • Flexibility and ownership
  • Collaborative and innovative culture
  • Opportunity to work on impactful AI projects
  • International environment and talented teams
Last updated Sep 30, 2026. Interested? Apply on the company site.
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