Principal Security Engineer
Core
Lead deep technical security reviews of products, services, infrastructure, and emerging technologies using AI-enabled methods to identify attack paths and convert them into detections and controls.
Role type
Principal Security Engineer (AI/Threat Intelligence)
Builds
Security tools, automation, prototypes, reusable engineering patterns, and scalable security capabilities integrated into engineering systems.
Domain
Cybersecurity, AI/ML, Cloud Infrastructure, Threat Intelligence
Deliverable
production ML models | infrastructure
Required skills
Threat modeling, architecture analysis, adversarial testing, source review, telemetry analysis, detection engineering, incident investigation, secure defaults design, cross-team technical leadership, mentoring
Preferred skills
Agentic software engineering practices, AI-enabled security methods, threat hunting, adversary simulation
Technologies
Python, C#, C++, Go, Java, Rust, TypeScript, SIEM, SOC tools
Responsibilities
Conduct deep technical security reviews using AI-enabled methods; build and maintain security tools and automation; partner with product and research teams to implement security improvements; integrate automated security checks and guardrails into engineering systems; use threat intelligence and incident learning to improve preventive and detective controls; lead complex cross-team technical initiatives and mentor engineers.
Seniority
Principal, hands-on IC with strategic influence
