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Security Engineer - Platform Security

Seattle Office💼 Full-time🗓 2026-09-19 → 2026-09-25

Core

First line of defense for AI security, reviewing AI systems for risks and implementing controls to enable safe AI usage.

Role type

Senior IC AI security engineer

Builds

Guardrails, sandboxes, identity management systems, and detection mechanisms for AI agents

Domain

Financial technology + Artificial Intelligence security

Deliverable

production ML models | product features

Required skills

AI security risk assessment, guardrail/sandbox design, AI identity management, prompt injection mitigation, AI security review execution, AI security tooling implementation

Preferred skills

Frontier AI lab experience, production AI defense at scale, infrastructure/cloud/platform security, software security review, SDLC security, vulnerability discovery, offensive security

Technologies

AI security frameworks, identity management systems, prompt injection detection tools

Responsibilities

Review AI systems and integrations for security risks before and after deployment; Design and deploy guardrails, sandboxes, and controls to contain AI agent actions; Build systems to track and manage AI identities; Detect and mitigate prompt injection across AI surface area; Run AI-focused security reviews to set standards for other teams

Seniority

Senior, hands-on IC

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