L3 Support Engineer, Data Center Infrastructure

About the Position

We are looking for a Senior Hardware Support Engineer to join our team at Nebius, a leading company in cloud infrastructure for the global AI economy. You will ensure the reliability of production hardware across large-scale, mission-critical data center environments.

About Nebius

Nebius is building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment. We are headquartered in Amsterdam and 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.

Responsibilities

• Leading root cause analysis for complex hardware and firmware failures across production fleets
• Aggregating recurring problems and error patterns to identify systemic reliability issues
• Acting as the senior escalation point for hardware-related incidents impacting availability or performance
• Coordinating with vendors to drive timely diagnostics, RMAs, firmware fixes, and corrective actions
• Partnering with internal engineering teams to validate fixes and prevent recurrence
• Performing hardware and firmware validation before fleet-wide rollout
• Driving structured incident investigations using established IT problem management methodologies
• Supporting on-site teams with technical coordination during critical hardware events
• Improving hardware observability, failure tracking, and reporting processes
• Contributing to long-term hardware reliability strategy and fleet-wide stability improvements

Requirements

• Strong hands-on expertise with server hardware in data center or large-scale production environments
• Proven experience performing root cause analysis of hardware and firmware failures
• Deep understanding of server components (CPU, memory, storage, networking, power, BMC) and failure modes
• Experience working directly with hardware vendors and engineering teams to resolve production issues
• Structured problem-solving skills using formal IT or incident management methodologies
• Strong analytical capabilities and ability to interpret logs, telemetry, and error patterns
• Experience coordinating technical activities with on-site operations teams
• Ability to manage multiple concurrent investigations with production impact
• Clear written and verbal communication skills in cross-functional environments

Nice to Have

• Experience in GPU-dense, AI, or high-performance computing environments
• Exposure to firmware lifecycle management and large-scale rollout validation
• Familiarity with Linux-based production systems and infrastructure tooling
• Experience improving fleet-wide hardware reliability metrics at scale

Working Conditions

• Onsite work in the Birmingham, Alabama Data Center
• Participation in incident escalations for production-impacting events

We Offer

• Comprehensive medical, dental, and vision coverage
• 401(k) plan with company contribution
• Flexible paid time off
• Paid parental leave
• Professional development support

Compensation

$147,200 – $183,900 per year plus annual performance-based bonus.

About the Company

Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law.

Equal Opportunity Statement

Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law.

Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire.

If you need accommodations during the application process, please let us know.