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Senior HPC Engineer, GPU ComputeNebius · Amsterdam, Netherlands; Berlin, Germany; London, United Kingdom; Remote - Europe
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Nebius

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Senior HPC Engineer, GPU Compute

🗓️ Posted 2026-09-01 Amsterdam, Netherlands; Berlin, Germany; London, United Kingdom; Remote - Europe Hybrid ICT
💰 Salary Not shared 📊 Market 6,500 GBP–10,000 GBP/mo

About the Company

Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.

About the Role

We're looking for a Senior HPC Cluster Engineer to join our team and play a key role in the development of our cutting-edge hyperscaler platform. The GPU & InfiniBand team is responsible for enhancing and optimizing the core components of our Cloud platform, with a specific focus on GPU computing, InfiniBand networks, and the KVM/QEMU stack. You'll work closely with hardware virtualization and device emulation technologies, ensuring high performance and security in multi-GPU, HPC environments. The role involves analyzing, troubleshooting, and improving infrastructure to support new hardware, fine-tuning system performance, and automating fault detection and resolution in a complex system.

Responsibilities

  • ● Tuning the performance of GPU clusters and InfiniBand networks to ensure optimal operation in HPC and GPU-based environments.
  • ● Analyzing and troubleshooting the root cause of issues related to GPUs and InfiniBand networks, and proposing corrective actions.
  • ● Integrating new hardware into the existing infrastructure, including support for new GPU hardware through software stacks like Kubernetes, QEMU, and KVM.
  • ● Enhancing automation systems for proactive monitoring, detecting, and resolving issues in GPU and InfiniBand environments.
  • ● Configuring and managing GPU devices and InfiniBand fabrics, ensuring efficient and reliable operation.

Requirements

  • ● 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 high-performance computing (HPC) systems.
  • ● Strong proficiency in one or more performance-oriented programming languages (C/C++, Go, Python).