Nebius is a Nasdaq-listed tech company that aims to become one of the world’s leading AI infrastructure providers. Headquartered in Amsterdam, we have R&D and commercial hubs across the US, Europe and Israel.
We build full-stack AI infrastructure to service the explosive growth of the global AI industry, including large-scale GPU clusters, cloud platforms and tools and services for developers. Our 500 employees include around 400 highly skilled engineers with a proven track record of developing world-class hardware and software solutions across cloud and AI/ML.
We are rapidly growing our infrastructure network with an ambitious investment program to build out data centers and colocations in the US and Europe. A Reference Platform NVIDIA Cloud Partner, Nebius’ AI-native cloud platform provides high-end infrastructure and tools for training, fine-tuning and inference.
Nebius is growing fast, and we’re always looking for the best talent to join our company. Along with highly competitive compensation and extensive opportunities for professional development, we offer a dynamic work environment where innovation, creativity and teamwork are highly prized and open up exciting new opportunities. As an equal opportunity employer, we are committed to fostering a diverse and inclusive workplace, where all applicants are given fair consideration and every team member is empowered to contribute to their fullest potential.
The role
We’re looking for a Senior HPC Cluster Engineer to contribute to the development of our hyperscaler platform.
The Hypervisor team supports and develops the parts of the Cloud platform that directly affect the KVM hypervisor and QEMU device emulator. We understand the granular details of hardware virtualization and device emulation, paying close attention to performance and protection against untrusted code.
In this position, your responsibility will be to:
- Improve infrastructure around GPU-accelerated computing
- Analyze root cause and suggest corrective action for problems large and small scales
- Add new hardware support through all infrastructure software stack
- Detect and fix problems before they occur
We expect you to have:
- 5+ years of professional software development experience
- 3+ years of experience with Linux
- System level understanding of server architecture, PCIe devices, NICs, Linux OS and kernel drivers
- Strong knowledge in any performance programming languages (C, C++, Go, Java, Python)
It would be an added bonus if you had:
- Experience analyzing and tuning performance for a variety of HPC workloads
- Familiarity with RDMA, RoCE, Infiniband
- Background with Software Defined Networking and HPC cluster networking
- Understanding of QEMU/KVM virtualization stack
- Familiarity with deep learning frameworks like PyTorch and TensorFlow
- Familiarity with collective communication libraries (MPI, nccl)
What we offer
- Competitive salary and comprehensive benefits package.
- Opportunities for professional growth within Nebius.
- Hybrid working arrangements.
- A dynamic and collaborative work environment that values initiative and innovation.
We’re growing and expanding our products every day. If you’re up to the challenge and are excited about AI and ML as much as we are, join us!
Top Skills
What We Do
Cloud platform specifically designed to train AI models
