Nebius is a technology company building a full-stack AI-native cloud platform for AI practitioners. We provide large-scale GPU infrastructure, managed services, and tools for training and inference workloads.
About the role
We are looking for a Senior Cluster Operations Engineer to help operate and scale Nebius AI Cloud GPU clusters. You will work closely with infrastructure, platform, and customer-facing teams to ensure reliable, high-performance compute for AI training and inference.
What you'll do
•Operate and maintain large-scale GPU clusters and supporting infrastructure (networking, storage, schedulers).
•Monitor cluster health, troubleshoot incidents, and drive root-cause analysis and remediation.
•Automate operational tasks and improve observability, alerting, and runbooks.
•Partner with SRE and platform engineering on capacity planning, upgrades, and rollouts.
•Support internal and external customers on performance, stability, and best practices for distributed workloads.
•Contribute to on-call rotation and incident response for production environments.
What we're looking for
•5+ years of experience in production infrastructure, SRE, or HPC/cluster operations.
•Strong Linux administration skills and experience with automation (Python, Go, or similar).
•Hands-on experience with Kubernetes, Slurm, or other workload schedulers in production.
•Familiarity with GPU servers, high-speed networking (InfiniBand/RoCE), and distributed storage.
•Experience with monitoring stacks (Prometheus, Grafana, ELK, or similar) and incident management.
•Clear communication skills and ability to work across engineering and customer teams.
Nice to have
•Experience supporting ML training or inference at scale.
•Background in cloud providers or bare-metal AI infrastructure.
•Contributions to internal tooling for fleet management and diagnostics.
What we offer
•Competitive compensation and benefits.
•Opportunity to work on cutting-edge AI infrastructure at global scale.
•Collaborative engineering culture with strong technical ownership.
About Nebius
Nebius builds AI-native cloud infrastructure designed for the full lifecycle of AI development—from experimentation to large-scale training and production inference.
