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Principal Security Engineer

United States🌐 Remote💼 Full-time🗓 2026-08-25 → 2026-09-26

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

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