Principal Security Engineer, Infrastructure Security
OpenAISan Francisco, California, United States • Seattle, Washington, United States • New York, New York, United States
Posted March 25, 2026
Full Time
About the Company
OpenAI is an AI research and deployment company focused on ensuring that general-purpose artificial intelligence benefits humanity. The company prioritizes safety and human needs in its development process, emphasizing diversity, equity, and inclusion to align with its mission of solving global challenges through AI. OpenAI's unique approach sets it apart by placing ethical considerations and societal impact at the forefront of its operations.
Job Description
OpenAI is seeking a Principal Security Engineer to join our Infrastructure Security (InfraSec) team, protecting the foundations of our research and production environments, spanning GPU supercomputing clusters, multi-cloud infrastructure, datacenters, networking, storage, and critical services that power our frontier AI models.
Requirements
- Deep understanding of security principles, best practices, and common vulnerabilities, including strong security judgment under ambiguity
- Proactive mindset, with the ability to identify and address security gaps or inefficiencies through automation and tooling
- Expertise and curiosity about using frontier models and agents to effectively solve security challenges
- Strong analytical and problem-solving skills, with an ability to think critically and objectively assess security risks
- Excellent communication skills, with the ability to convey complex security concepts to executive, technical, and non-technical stakeholders
Benefits
- Paid Time Off
- 401k Matching
- Retirement Plan
- Health Insurance
- Stock Options
- Unlimited Vacation Days
- Flexible Working Hours
- Professional Development Opportunities
- Work-Life Balance