Infrastructure Security Engineer

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.

The Role

The Security Engineering Team within the Platform Security organization is responsible for the strategic selection, implementation, management, and optimization of cybersecurity tools and technologies that improve security capabilities of the organization's platform. This team is instrumental in fortifying the security posture, proactively identifying and responding to security threats, ensuring the resilience and protection of critical data, systems, and services. We are looking for an 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.

Your Responsibilities Will Include

• 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.

We Expect You To Have

• 4+ years of experience in network, infrastructure or cloud security.
• Strong understanding of modern cloud architectures and deployment models (VMs, containers, serverless, Kubernetes).
• Solid knowledge in networks, distributed systems and Linux systems engineering.
• Hands-on experience with network, VPN and Linux security.
• Understanding of Identity and Access Management (IAM) systems.
• Experience with security automation tools and scripting.