Senior AI Security Architect - Threat Modeling & Guardrails

Andrew & Brothers, Inc.; San Francisco (CA); On-site; USD 180,000 - 280,000; Full time

Benefits offered by this job

Cash Compensation

Equity

Job summary

Andrew & Brothers, Inc. seeks a senior security architect to define and build secure AI product surfaces, focusing on tool execution, retrieval, and permission checks.

You will lead automated red-team testing and develop reusable guardrails to prevent prompt injection and data exfiltration.

The role requires 8–10+ years of experience and a builder mindset, collaborating with product and engineering to translate threat models into concrete requirements.

Qualifications

• 8–10+ years designing and securing complex software systems.
• Experience translating threat models into engineering requirements.
• Builder mindset with hands-on security architecture leadership.

Responsibilities

• Define and build security architecture for AI product surfaces.
• Develop automated red-team testing and reusable guardrails.
• Implement controls to prevent prompt injection and data exfiltration.

Skills

Secure Software Engineering

Security Architecture

Security Product Strategy

Threat Modeling

Red Teaming

Prompt Injection Testing

Enterprise SaaS Security

Application Design

Developer Tooling

Permission Systems

Data Flow Analysis

Auditability

Vulnerability Research

CI Checks

Model Behavior Evaluation

Job description

Andrew & Brothers, Inc. seeks a senior security architect to define and build secure AI product surfaces, focusing on tool execution, retrieval, and permission checks.

You will lead automated red-team testing and develop reusable guardrails to prevent prompt injection and data exfiltration.

The role requires 8–10+ years of experience and a builder mindset, collaborating with product and engineering to translate threat models into concrete requirements.