Senior AI Infrastructure Engineer — GPU & HPC R&D

FDE Times; United States; Hybrid; USD 180,000 - 224,000; Full time

Benefits offered by this job

Health insurance

401(k) plan

Parental leave

Remote work reimbursement

Disability & life insurance

Job summary

Nebius is building a full-stack AI cloud platform and seeks a senior systems engineer to diagnose complex hardware and platform failures across Linux, GPU servers, PCIe, and firmware. You will develop evidence-based troubleshooting procedures and own the problem from data collection to root cause analysis.

This role spans power, cooling, and high-performance computing environments with global teams. The ideal candidate has extensive Linux experience, kernel debugging skills, and strong NVIDIA

Qualifications

• 5+ years of hands-on systems engineering across Linux, server hardware, firmware, PCIe, and GPU/HPC platforms.
• Extensive Linux experience for hardware debugging, system-level troubleshooting, and platform investigation.
• Knowledge of the Linux kernel with kernel-level debugging experience.
• Strong knowledge of modern server architectures, especially GPU-based environments.
• Deep knowledge of NVIDIA GPU platforms, nvidia-smi, NVLink, NVSwitch, NCCL, and related diagnostic tooling.
• Deep knowledge of PCIe topology, root complexes, endpoints, link speeds, AER and error handling.
• Experience benchmarking systems for performance, stability, power, and thermal behavior.
• Experience with firmware interactions across BIOS/UEFI, BMC, CPLD/FPGA, GPU firmware, NIC firmware.
• Experience with low-level hardware communication (I2C/SMBus/PMBus) and device datasheets.
• Strong problem-solving, analytical thinking with a performance-first mindset.
• Scripting in Python or Go for automation.

Responsibilities

• Diagnose and resolve complex hardware and platform failures in high-performance AI infrastructure.
• Collaborate across Linux, GPU servers, PCIe, firmware, power, and cooling to identify root causes and develop repeatable troubleshooting procedures.

Job description

Nebius is building a full-stack AI cloud platform and seeks a senior systems engineer to diagnose complex hardware and platform failures across Linux, GPU servers, PCIe, and firmware. You will develop evidence-based troubleshooting procedures and own the problem from data collection to root cause analysis.

This role spans power, cooling, and high-performance computing environments with global teams. The ideal candidate has extensive Linux experience, kernel debugging skills, and strong NVIDIA