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Lead Software Systems Engineer - GPU Performance

Nebius· System Engineers
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Remote$170k - $300kFull-timePosted 6mo ago

About the role

Lead role focusing on building and optimizing large-scale GPU clusters across hardware and software, spanning hardware, system software, networking, virtualization, and distributed communication to improve performance of training and inference workloads.

Responsibilities

  • Focus on understanding system behavior across multiple layers, identifying performance bottlenecks, and driving improvements that shape how our clusters are built, operated, tuned, and validated.
  • Investigate and troubleshoot performance issues of GPU cluster 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 systemsServer architecturePerformance-oriented programming languages

Benefits

  • Health insurance: 100% company-paid medical, dental and vision coverage for employees and families
  • 401(k) plan: Up to 4% company match with immediate vesting
  • Parental leave: 20 weeks paid for primary caregivers, 12 weeks for secondary caregivers
  • Remote work reimbursement: Up to $85/month for mobile and internet
  • Disability & life insurance: Company-paid short-term, long-term and life insurance coverage
Last updated Jul 22, 2026. Interested? Apply on the company site.
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The ultimate cloud for AI explorers

Discover the most efficient way to build, tune and run your AI models and applications on top-notch NVIDIA® GPUs.

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