Principal Security Engineer
Core
Principal Security Engineer leading threat modeling, product security reviews, and AI security risk methodology for a modern SaaS platform.
Role type
Principal Security Engineer (Application Security & AI Security)
Builds
Threat models, security review services, AI security standards, and SDLC controls for a SaaS platform.
Domain
SaaS / Application Security / AI Security
Deliverable
production ML models | product features | dashboards & analysis
Required skills
Threat modeling (STRIDE, data-flow), AI security risk assessment (LLM, agentic pipelines, prompt injection), Architecture review, Secure coding standards, CI/CD pipeline security, Mentoring engineers, Risk communication
Preferred skills
AI-assisted security tooling, Penetration testing, Public security contributions
Technologies
Python, Java, TypeScript/JavaScript, Go, OWASP LLM Top 10, SAST, SCA, Secrets scanning, IaC scanning
Responsibilities
Lead threat modeling and product security reviews; Define and drive AI security methodology; Shape AppSec technical direction and SDLC controls; Elevate team capability and influence engineering organization
Seniority
Principal, hands-on IC with strategic influence
