ApplySarthiL3 Support Engineer
Nebius
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This role on the market
2,541 open support roles across 417 companies are on ApplySarthi right now, most of them in Bengaluru (138), Hyderabad (87), Pune (46).
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What support roles keep asking for: Linux (13%), AWS (13%) — counted across their open postings here.
Linux jobs · Python jobs · Shell scripting jobs
Nebius has 384 open roles listed here.
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Counted across 14 company job boards, updated as roles open and close.
Preparing for this interview
Interviews for support roles keep coming back to Linux, AWS. Practise those questions before you sit with Nebius.
Questions you are likely to be asked
- Why do you want to join Nebius?
- What is your experience with Linux? Tell me one thing you learned the hard way.
- Tell me about an angry customer you handled. What did you say?
- How do you handle a problem you do not know the answer to?
- How do you decide which ticket to work on first?
Prep Sarthi gives you a free mock interview: an AI interviewer asks you questions like these out loud, from your own CV and this job, and shows your score and your weakest answer.
Practise the L3 Support Engineer at Nebius interview free →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 are building our L3 Support Line from scratch to serve as the datacenter center of expertise for servers, firmware (BIOS/BMC), and deep Linux diagnostics across Europe and the US.
This is a senior technical role focused on deep investigations, cross-site pattern detection, and driving permanent fixes with R&D and ODM vendors. You will turn complex incidents into scalable solutions and elevate L1/L2 capabilities through strong technical enablement.
You’re welcome to work in our DC in Mäntsälä, Finland.
Your responsibilities will include:
Deep Technical Investigation (Primary Focus)
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Lead root cause analysis beyond L2 depth (GPU failures, firmware issues, Linux-level faults, HW/SW interactions).
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Detect recurring patterns across sites and convert findings into durable fixes.
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Own technical workstreams during high-severity incidents.
Vendor & R&D Collaboration
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Build evidence packs and drive escalations with ODM and R&D.
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Push for firmware, component, and platform-level resolutions.
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Track outcomes and ensure knowledge flows back to operations.
Firmware & Platform Readiness (BIOS/BMC)
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Support validation and rollout of firmware updates (risk assessment, staging, rollback planning).
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Help operationalize platform standards across datacenters.
Knowledge & Enablement
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Create scalable runbooks, troubleshooting guides, and error catalogs.
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Turn investigations into playbooks that elevate L1/L2 teams.
Hands-on Support (As Needed)
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Travel to datacenters for complex troubleshooting, new platform readiness, or incident containment.
We expect you to have:
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Strong hands-on experience with datacenter servers and deep Linux troubleshooting.
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Ability to diagnose across hardware, BIOS/BMC firmware, and Linux (logs, drivers, storage basics, performance triage).
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Structured incident response experience and clear communication under pressure.
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Experience driving evidence-based escalations with vendors/R&D.
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Fluent English (written and spoken).
It will be an added bonus if you have:
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Strong familiarity with GPU server platforms and tooling (for example: nvidia-smi, dcgmi, Linux logs correlation).
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Experience with ipmitool and Redfish workflows, firmware lifecycle, and staged rollouts.
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Scripting skills (bash and basic Python) for log collection, triage automation, and simple reliability analysis.
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Exposure to OCP-based platforms and ODM manufacturing ecosystems.
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Experience supporting enterprise bare metal customers under contractual SLAs.
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.
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Listed on greenhouse · posted 2026-03-03. ApplySarthi collects openings and links to application pages; the role is advertised by Nebius, not by us.