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Senior AI Infrastructure Systems Engineer (R&D / GPU / AI)

Nebius· Infrastructure
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Remote$179.5k - $224.3kFull-timePosted 7mo ago

About the role

Senior systems engineer for diagnosing and resolving complex hardware and platform failures in high-performance AI infrastructure, focusing on Linux, GPU servers, PCIe, firmware, power, and cooling to determine true root causes and develop repeatable troubleshooting procedures.

Responsibilities

  • Form technical hypotheses, design targeted tests, analyze system logs and low-level hardware data
  • Distinguish between GPU, host, firmware, interconnect, thermal, and physical hardware failures
  • Diagnose and resolve complex hardware and platform failures in high-performance AI infrastructure
  • Work across Linux, GPU servers, PCIe, firmware, power, and cooling to determine root causes
  • Develop evidence-based conclusions and repeatable troubleshooting procedures

Qualifications

  • Minimum 5 years of hands-on systems engineering experience across Linux, server hardware, firmware, PCIe, and GPU or high-performance computing platforms
  • Extensive Linux experience, particularly for hardware debugging and platform investigation
  • Knowledge of the Linux kernel and kernel-level debugging or troubleshooting
  • Strong knowledge of modern server architecture in high-performance, GPU-based environments
  • Strong knowledge of NVIDIA GPU platforms and diagnostic tooling (nvidia-smi, XID/SXID, GSP/driver behavior, NVLink, NVSwitch, Fabric Manager, DCGM, NCCL)
  • Deep knowledge of PCIe topology and related error handling (AER, DPC, link failures, protocol-level vs physical-layer issues)
  • Experience benchmarking systems for performance, stability, power efficiency, thermal behavior, workloads
  • In-depth understanding of firmware interactions across BIOS/UEFI, BMC, CPLD/FPGA, GPU firmware, NIC firmware
  • Experience with low-level hardware communication/debugging (I²C, SMBus, PMBus, registers, datasheets)
  • Demonstrated ability to troubleshoot complex hardware, software, and networking issues
  • Experience with root cause analysis and performance optimization in cloud/HPC environments
  • Strong analytical and problem-solving skills with a performance-first mindset
  • Scripting/automation experience (Python/Go)

Skills

Required:Linux system administrationKernel debuggingNVIDIA GPU diagnosticsPCIe & topologyFirmware interactions
Nice to have:Hardware benchmarking

Benefits

  • Health insurance: 100% company-paid medical, dental, and vision for employees and families
  • 401(k) with up to 4% company match and 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
  • Company-paid disability & life insurance (short-term, long-term, and life)
Last updated Oct 7, 2026. Interested? Apply on the company site.
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About Nebius

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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