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Senior Systems HPC Engineer

Nebius· System Engineers
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Hybrid (Amsterdam, Netherlands)Full-timePosted 6mo ago

About the role

Senior Systems HPC Engineer responsible for building Nebius hyperscaler platform and optimizing performance of large-scale GPU clusters across hardware and software layers, from hardware/system software to networking, virtualization, and distributed communication.

Responsibilities

  • Focus on understanding system behavior across multiple layers, identifying performance bottlenecks, and driving improvements that shape how clusters are built, operated, tuned, and validated
  • Investigate and troubleshoot performance issues of GPU clusters under real workloads (training and inference)
  • Evaluate and integrate new hardware, system configurations and tuning approaches through software stack
  • Support complex performance-related escalations from internal teams and customers
  • Work closely with infrastructure, software engineering and hardware vendor teams (e.g. NVIDIA, Mellanox, Intel)
  • Contribute to hardware and cluster qualification (acceptance), ensuring systems meet performance expectations

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:System-level software developmentLinux systemsPCIe, NICs, HPC architectures

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 Jul 15, 2026. Interested? Apply on the company site.
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Discover the most efficient way to build, tune and run your AI models and applications on top-notch NVIDIA® GPUs.

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