L3 Support Engineer

Nebius·Béthune, Pas-de-Calaissenior

In short

→Ingeniero de soporte técnico avanzado que investiga fallos profundos en servidores, firmware (BIOS/BMC) y Linux en centros de datos.
→Detecta patrones recurrentes entre ubicaciones y lidera soluciones duraderas con R&D y proveedores (ODM).
→Trabaja desde Béthune, Francia, como punto de referencia técnico para Europa y EE.UU.

Fluent English required for technical collaboration and documentation.

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What they ask for

✓Experiencia comprobada en soporte L3 o equivalente en entornos de infraestructura de datos.
✓Capacidad para diagnosticar fallos a nivel de firmware, hardware y sistema operativo (Linux).
✓Habilidades avanzadas en análisis de causas raíz (RCA) en incidentes complejos.
✓Experiencia colaborando con equipos de R&D y fabricantes (ODM) para resolver problemas sistemáticos.
✓Conocimiento profundo de BIOS/BMC y actualizaciones de firmware.
✓Capacidad de documentar y transferir conocimiento técnico a equipos L1/L2.

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GPUBIOSBMCLinuxFirmwareR&DODMDatacenterRoot Cause AnalysisIncident Management

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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. The work location is in Béthune, France. Your responsibilities will include: Deep Technical Investigation (Primary Focus) • Lead root cause analysis beyond L2 depth (GPU failures, firmware issues, Linux-level faults, HW/SW interactions). • Detect recurring patterns across sites and convert findings into durable fixes. • Own technical workstreams during high-severity incidents. Vendor & R&D Collaboration • Build evidence packs and drive escalations with ODM and R&D. • Push for firmware, component, and platform-level resolutions. • Track outcomes and ensure knowledge flows back to operations. Firmware & Platform Readiness (BIOS/BMC) • Support validation and rollout of firmware updates (risk assessment, staging, rollback planning). • Help operationalize platform standards across datacenters. Knowledge & Enablement • <p data-start="1627" data

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