Job Description

Senior Global Security Investigator

Security is at the foundation of OpenAI's mission to ensure that artificial general intelligence benefits all of humanity.

The Security team protects OpenAI's technology, people, and products. We are technical in what we build but are operational in how we do our work, and are committed to supporting all products and research at OpenAI. Our Security team tenets include: prioritizing for impact, enabling researchers, preparing for future transformative technologies, and engaging a robust security culture.

We are seeking a senior Global Security Investigator with a technical background to lead complex, long-running security investigations involving a full spectrum of threats whether originating from internal employees, external threat actors, or supply chain partners. This role is about seeing the full chessboard and independently driving complex, multi-month cases across cyber, physical, and human domains.

In this role you will:

• Independently conduct comprehensive security investigations from initial detection to resolution, including cases involving insiders, external actors, and supply chain and third-party risks.
• Lead proactive, data-driven threat-hunting efforts that weave together disparate signals to surface undetected insider or external threats before they escalate into incidents.
• Perform comprehensive technical analysis of complex hardware, software, and supplier supply chains to identify, enumerate, and mitigate risks.
• Partner closely with cross-functional teams, including Human Resources, Legal, Security, and IT, and external stakeholders or law enforcement when necessary.
• Collaborate with technical counterparts to enhance detections, resolve telemetry gaps, and implement new capabilities to identify security issues involving cyber, physical, and human domains.
• Collect, preserve, and analyze evidence from a variety of sources, including log data, digital forensics, subject interviews, access records, threat intelligence, and open-source intelligence (OSINT), to support investigative findings.
• Continuously improve investigative procedures and security controls based on investigations and lessons learned.

You might thrive in this role if you have:

• Bachelor's degree in Criminal Justice, Cybersecurity, or a related field (or equivalent experience) and 8+ years of investigative experience in counterintelligence, insider risk, forensic investigations, cybersecurity, supply chain security, or related domains.
• Unimpeachable integrity, sound judgment, and the ability to handle confidential matters with discretion.
• An active US security clearance, or willingness and eligibility to obtain one.
• Deep specialization in geopolitical threat domains, with hands-on experience identifying, assessing, and mitigating adversarial risks through tailored countermeasures.
• Expert knowledge of common security tooling, including EDR, DLP, UEBA, SIEM, SOAR and other related platforms.
• Demonstrated ability to independently write complex queries, automate data workflows, and analyze structured datasets.
• Excellent written and verbal communication skills, including the ability to distill complex findings into clear, actionable reports and explain technical issues to non-technical stakeholders.
• Exceptional collaboration skills with the ability to work across diverse teams (HR, Legal, IT, etc.) to lead projects and investigations with minimal guidance.

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.

We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, or other applicable legally protected characteristic.

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