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Senior/Staff Infrastructure Security EngineerNebius · Remote - Europe
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Nebius

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Senior/Staff Infrastructure Security Engineer

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🗓️ Posted 2026-09-14 Remote - Europe Hybrid ICT
💰 Salary Not shared 📊 Market 6,667 GBP–10,000 GBP/mo

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. 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.

About the Job

Infrastructure is a special type of "products", securing it demands engineers with a distinct skill set. It includes ik8s, server infrastructure, the backbone network, GPU fabrics, public clouds, and more. The team is responsible for hardening, monitoring, and securing these foundational infrastructure services, and for driving company-wide projects such as secure platform bootstrapping, zero-touch production, and secure access controls. We are looking for an Senior/Staff Infrastructure Security Engineer to secure our cloud and on-premises infrastructure by implementing security controls, monitoring threats, ensuring compliance with industry standards and respond to security incidents. The ideal candidate has a strong background in cloud security, Linux hardening, and network security.

Role & Responsibilities

  • ● Design and implement security measures to protect cloud and on-premises infrastructure.
  • ● Identify and remediate vulnerabilities in cloud environments, networks, and operating systems.
  • ● Build and maintain cloud and infrastructure security tools.
  • ● Perform security reviews, threat modeling and risk assessments of infrastructure components.
  • ● Develop and maintain security guidelines for Network and SRE teams.
  • ● Collaborate with Network and SRE teams to integrate security best practices into their processes and systems.
  • ● Stay updated on the latest security threats, vulnerabilities, and mitigation techniques.
  • ● Serve as an network and infrastructure security subject matter expert to other teams.