Senior Support Engineer

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.

Responsibilities

• Investigate and resolve complex technical issues in customer environments
• Troubleshoot across Linux, Kubernetes, cloud infrastructure, networking, storage, and GPU-related workloads
• Support customers running containerized systems, inference workloads, training jobs, or other distributed platforms
• Act as a senior escalation point for production incidents
• Reproduce issues, narrow down root causes, and work with engineering on long-term fixes
• Build or improve internal scripts, troubleshooting tools, and operational documentation
• Help make support more scalable through better automation, observability, and process improvements
• Communicate clearly with customers during active investigations and incidents
• Take part in weekend coverage and urgent issue response

Requirements

• Strong Linux troubleshooting skills
• Strong Kubernetes and container experience
• Solid understanding of cloud infrastructure (AWS, GCP, Azure, OpenStack, or similar)
• Good networking fundamentals
• Ability to write scripts or small tools in Python, Bash, or Go
• Experience working on production issues requiring structured debugging
• Clear written communication skills

Preferred Qualifications

• Experience with GPU-based infrastructure
• Familiarity with AI/ML or LLM-related workloads
• Understanding of inference and training pipelines
• Experience improving observability, tooling, or operational workflows
• History of building useful internal tools or automating repetitive work

Benefits

• Competitive compensation
• Career growth and learning opportunities
• Flexibility and ownership
• Collaborative and innovative culture
• Opportunity to work on impactful AI projects
• International environment and talented teams