Senior Support Engineer

About Nebius: 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. The role We're looking for a senior support engineer who can handle difficult technical issues in modern cloud environments. This is not a traditional support role. The work is hands-on and technical: debugging Linux and Kubernetes issues, investigating problems in cloud infrastructure, and helping customers running AI workloads, distributed systems, and GPU-based environments. You'll work closely with engineering on production issues, help improve internal tools and troubleshooting workflows, and act as an escalation point when problems are unclear or high impact. The role includes weekend rotation and incident response. What you'll do -