Senior Infrastructure Security Engineer-Cloud & On-Prem Lead

Nebius Group; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive compensation

Career growth and learning

Flexibility and ownership

Collaborative and innovative culture

Impactful AI projects

International environment

Job summary

Nebius Group is building a cutting-edge AI cloud platform backed by robust security across cloud and on‑premises infrastructure. We are seeking a Senior/Staff Infrastructure Security Engineer to design, implement and operate security controls, monitor threats and respond to incidents to protect our globally distributed systems.

The ideal candidate has deep cloud security expertise, Linux hardening experience, and strong collaboration with Network and SRE teams to embed security into every layer

Qualifications

• 6+ years of experience in network, infrastructure or cloud security.
• Solid knowledge of modern cloud architectures (VMs, containers, serverless, Kubernetes).
• Hands-on experience with network, VPN and Linux security.
• Understanding of IAM systems and security automation tools.

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.

Skills

Cloud security

Network security

Linux systems engineering

IAM

Security automation

Python scripting

Go

Terraform IaC

Kubernetes hardening

Tools

Terraform

Kubernetes

VPN

Linux security tooling

Job description

Nebius Group is building a cutting-edge AI cloud platform backed by robust security across cloud and on‑premises infrastructure. We are seeking a Senior/Staff Infrastructure Security Engineer to design, implement and operate security controls, monitor threats and respond to incidents to protect our globally distributed systems.

The ideal candidate has deep cloud security expertise, Linux hardening experience, and strong collaboration with Network and SRE teams to embed security into every layer