Data Center Security Engineer

OpenAI OpenAI · AI Frontier · San Francisco, CA · Security

Seeking an experienced Data Center Security Engineer to secure the infrastructure behind OpenAI's rapidly expanding data center footprint. This role involves designing and implementing security controls for OT and IT networking environments, performing audits, and contributing to security architecture reviews. The position requires deep expertise in critical infrastructure security and cross-functional collaboration.

What you'd actually do

  1. Design and implement security controls that protect data center infrastructure across a growing global footprint, with particular focus on both OT and IT networking environments.
  2. Partner closely with a small team of data center security specialists, as well as engineering, operations, and broader security teams, to deliver resilient and practical security outcomes.
  3. Secure OT and IT networking environments through strong segmentation, access control, monitoring, hardening, and connectivity patterns suited to critical infrastructure.
  4. Contribute to security architecture and design reviews for data center systems, including OT and IT networking, network segmentation, identity and access management, provisioning workflows, hardware and firmware trust boundaries, and operational safeguards.
  5. Perform recurring audits, control assessments, and validation activities across OT and IT networking environments to ensure continued compliance against defined controls.

Skills

Required

  • Security engineering
  • Network security
  • IAM and PAM
  • Hardening
  • Provisioning
  • Monitoring
  • Incident response
  • Secure lifecycle practices
  • NIST
  • ISO 27001
  • SOC 2

Nice to have

  • Experience protecting hyperscale, colocation, or hybrid infrastructure environments against sophisticated adversaries.

What the JD emphasized

  • 15+ years of experience in security
  • Deep expertise securing OT and IT networking environments in critical infrastructure settings
  • Experience building audit or assurance programs