Senior Global Security Investigator

OpenAI

6d • $230,400 - $500,000

About The Position

OpenAI is seeking a senior Global Security Investigator with a technical background to lead complex, long-running security investigations across cyber, physical, and human domains. The role independently drives multi-month investigations involving threats from internal employees, external actors, and supply chain partners, from initial detection through resolution. It also leads proactive, data-driven threat hunting and technical analysis of hardware, software, and supplier supply chains to identify and mitigate risks. The investigator works closely with teams across Human Resources, Legal, Security, and IT, and may engage external stakeholders or law enforcement. The role contributes to improved detections, telemetry, investigative procedures, and security controls.

The Security team protects OpenAI’s technology, people, and products and supports its products and research. Its tenets include prioritizing for impact, enabling researchers, preparing for future transformative technologies, and cultivating a robust security culture. OpenAI is an AI research and deployment company focused on ensuring that general-purpose artificial intelligence benefits all of humanity and is safely deployed.

Requirements

• Bachelor’s degree in Criminal Justice, Cybersecurity, or a related field, or equivalent experience.
• At least 8 years of investigative experience in counterintelligence, insider risk, forensic investigations, cybersecurity, supply chain security, or related domains.
• Unimpeachable integrity, sound judgment, and discretion when handling confidential matters.
• 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 related platforms.
• Ability to independently write complex queries, automate data workflows, and analyze structured datasets.
• Excellent written and verbal communication skills, including distilling complex findings into actionable reports and explaining technical issues to non-technical stakeholders.
• Exceptional collaboration skills and ability to lead projects and investigations across diverse teams with minimal guidance.

Responsibilities

• 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 combine disparate signals to surface undetected insider or external threats before they escalate.
• Perform technical analysis of complex hardware, software, and supplier supply chains to identify, enumerate, and mitigate risks.
• Partner with Human Resources, Legal, Security, IT, external stakeholders, and law enforcement as necessary.
• Collaborate with technical counterparts to enhance detections, resolve telemetry gaps, and implement capabilities to identify security issues across cyber, physical, and human domains.
• Collect, preserve, and analyze evidence from sources including log data, digital forensics, subject interviews, access records, threat intelligence, and open-source intelligence (OSINT).
• Continuously improve investigative procedures and security controls based on investigations and lessons learned.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior