L3 Support Engineer, Data Center Infrastructure

You will act as a senior escalation point for complex hardware and firmware issues affecting production systems, driving investigations from symptom to root cause and coordinating resolution across engineering, vendors, and on-site teams. The role requires strong analytical thinking, structured problem-solving methodology, and deep hardware expertise in high-density, performance-critical infrastructure environments.

Your responsibilities will include

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

What we expect you to have

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

It will be an added bonus if you 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

Key employee benefits

Comprehensive medical, dental, and vision coverage

401(k) plan with company contribution

Flexible paid time off

Paid parental leave

Professional development support

Compensation

$125,000 – $180,000 per year plus annual performance-based bonus.

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Pay Transparency

We offer competitive compensation and benefits packages. Actual compensation will be determined based on job-related factors, including experience, skills, qualifications, the level at which the candidate is hired, and geographic location, consistent with applicable law.

Base Compensation Range

$147,200—$183,900 USD

Benefits & Perks:

• 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

What's it like to work at Nebius:

Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI

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.