Principal Software Engineer, Codex Cyber
Core
Designing and shipping security products and evaluation systems for frontier AI models to help trusted defenders understand and respond to cyber threats.
Role type
Principal Software Engineer (AI Security & Cyber)
Builds
Security products, model training pipelines, evaluation systems, and deployment infrastructure for cyber capabilities.
Domain
Artificial Intelligence, Cybersecurity, Model Safety
Deliverable
production ML models | product features | infrastructure
Required skills
Python, TypeScript/JavaScript, ML systems, security products, cyber evaluations, model training, safety engineering, trusted customer deployments
Preferred skills
0->1 product building, navigating ambiguity, high-stakes domain judgment
Technologies
Python, TypeScript, JavaScript
Responsibilities
Define and execute technical roadmap for security products; collaborate with defenders and partners to evaluate risk and set priorities; shape model training and access patterns; build systems to measure cyber capabilities and validate safeguards; translate research into operational tools and infrastructure.
Seniority
Principal, hands-on IC with strategy & mentorship