Senior Performance & Infrastructure Engineer - HPC

Senior Performance & Infrastructure Engineer - HPC We usually respond within three days The organization Our client operates one of the largest GPU infrastructures in the world — 100,000+ GPUs. Their infrastructure doubles in size every year. We’re looking for engineers who love getting deep into Linux systems, pushing hardware and software to their limits, and making the world’s fastest AI and HPC workloads run even faster The role You’ll join a small, senior team that works between the hardware and Linux OS layers, solving performance problems that affect tens of thousands of GPUs. This is hands-on, high-impact engineering where microsecond gains matter and every optimization is felt at global scale. What you’ll do Trace, profile, tune and optimize Linux kernel & subsystems (CPU scheduling, memory management, networking stack) for GPU clusters and InfiniBand fabrics Troubleshoot and resolve complex performance bottlenecks Integrate and validate new GPU hardware & infra (KVM/QEMU, PCIe devices, Kubernetes) Improve monitoring, alerting, and automation for large-scale, distributed systems Occasionally assist customers in optimizing workloads Your profile Key requirements (non-negotiable): Solid Linux internals knowledge , with kernel tracing, profiling and tuning experience (eg. perf, ftrace , eBPF, sysctl, kgdb etc.) Excellent programming skills, C or C++ system-level code , with a good grasp of data structures & algorithms Experience in performance optimization (eg. high-load/high-throughput, low-latency, low-jitter, memory bypasses, zero-copy, lock-free, synchronization across large-scale clusters etc.) Scripting or development skills in Go, Python, or similar Nice-to-haves (not key): Large-scale clusters (GPU or CPU) Virtualization stacks (KVM/QEMU), Slurm, Kubernetes Deep learning frameworks (eg. PyTortch, Tensorflow...) GPU-specific stack (eg. CUDA, NCCL....) This is for you if you Love solving deep technical challenges, care about performance downto the microsecond, and want to work on infrastructure that pushes the limits of what’s possible. What's offered Salary: up to 160k + 25% bonus. Flexible working arrangements. A dynamic and collaborative work environment that values initiative and innovation. Location: Amsterdam or full-remote from anywhere within the EU/EER Business unit The Next Chapter W&S Locations Europe, Amsterdam Remote status Fully Remote Is work permit / visa sponsorship offered? Yes, but only for candidates already based in Europe. Is remote possible? This role is open for both on-site in The Netherlands as well as full-remote Is freelance possible? No, this is a permanent job with a regular contract of employment. Which language skills are required (professional level)? English Employment type Full-time, Regular - indefinite, Regular - temporary Europe Amsterdam About The Next Chapter W&S We focus on job opportunities in The Netherlands for IT and engineering professionals. We share relevant tips and tricks with jobseekers and we can support employers with regards to relocation, work permit rules, 30% ruling et cetera. We value transparancy, honesty and a no-nonsense approach based on our extensive technical and international recruitment expertise. Founded in 2021 Co-workers 4