Nebius is looking for a Senior Systems HPC Engineer to optimize performance across large-scale GPU clusters, working at the intersection of hardware, system software, networking (InfiniBand/RoCE) and virtualization (KVM/QEMU).
Responsibilities
- ▹Investigate and troubleshoot GPU cluster performance issues
- ▹Evaluate and integrate new hardware and tuning approaches
- ▹Support complex performance escalations from internal teams and customers
- ▹Collaborate with infrastructure, software and hardware vendor teams (NVIDIA, Mellanox, Intel)
- ▹Contribute to hardware and cluster qualification/acceptance
Requirements
- ▹5+ years in system-level software development with a performance focus
- ▹3+ years hands-on Linux administration, troubleshooting and tuning
- ▹Deep knowledge of server architecture (PCIe, NICs, Linux kernel, HPC systems)
- ▹Strong proficiency in C/C++, Go or Python
- ▹Coding interview as part of the hiring process
Soft skills
Systems thinking across multiple layersCollaboration with hardware vendor partnersProblem-solving and troubleshooting mindset
What we offer
- ▹Competitive compensation
- ▹Career growth and learning opportunities
- ▹Flexibility and ownership
- ▹International environment, talented teams
- ▹Opportunity to work on impactful AI projects
About the company
Nebius, listed on Nasdaq (NBIS) and headquartered in Amsterdam, builds a full-stack AI cloud platform with a 1,500+ strong team and global R&D hubs.
Similar jobs

Job
· Senior
Robotics & Simulation Engineer
Plain Concepts
AI/MLCppFreertos
+4
💰 Salary: not specified
🌍 Remote
🗣️ EN
Himalayas

Job
· Senior
Automotive Product Engineer, Senior
Qualcomm
AI/MLCpp
+3
💰 Salary: not specified
🏢 On-site
Tijuana
🗣️ EN

Job
· Senior
Senior Performance Engineer
NVIDIA
AI/MLCpp
+3
💰 Salary: not specified
🌍 Remote
🗣️ EN
Himalayas

Job
· Senior
Senior System Engineer (Virtual Private Cloud Team)
Nebius
AI/MLCpp
💰 Salary: not specified
🌍 Remote
🗣️ EN
Himalayas

Job
· Senior
Sr Wireless Systems Engineer
Qualcomm
AI/MLCppHuggingface
+5
$122,500–$183,700/yr
gross
🏢 On-site
San Diego
🗣️ EN

Job
· Senior
System Performance Engineer, Senior
Qualcomm
AI/MLCpp
+2
$122,500–$183,700/yr
gross
🏢 On-site
San Diego
🗣️ EN