Staff Product Security Engineer

📋 Description

• Lead and improve Affirm's enterprise AI security review process
• Threat model AI/LLM-based systems and data flows for risks
• Review source code, system prompts, and agent configurations
• Design and build security guardrails and tooling for AI systems
• Evaluate AI capabilities of third-party SaaS vendors
• Identify emerging AI/agentic security vulnerabilities and lead cross-functional initiatives

🎯 Requirements

• Hands-on experience designing, evaluating, and maintaining security architecture for AI/LLM systems
• Experience threat modeling AI/LLM applications and securing agentic systems
• Built AI governance artifacts and evaluated AI capabilities in SaaS platforms
• Experience with enterprise tools for AI visibility and control
• Proficiency in Python and Infrastructure as Code (Terraform)
• Understanding of LLMs, agentic systems, and authn/authz models

🎁 Benefits

• 100% subsidized medical coverage, dental and vision for you and dependents
• Monthly stipends for health, wellness, and tech spending
• Flexible time off and generous holiday calendars
• Employee stock purchase plan (ESPP) with discount
• Remote-first with flexible work arrangements