Jobs / Remote / Worldwide / Security & cybersecurity
AI Agent Security Architect
Foster City, CA
Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation.
About the Role
We are looking for an AI Agent Security Architect to function as the primary technical
authority for Replit’s autonomous and AI agent security blueprint. In this critical role, you
will design, implement, and maintain the runtime defense systems, guardrail
frameworks, and sandboxing architectures that govern AI agents executing code,
invoking tools, and reasoning across our platform. You will be a key technical
contributor—leading high-impact AI security initiatives and bridging the gap between
non-deterministic AI behavior and rigorous cybersecurity controls for both engineering
and executive leadership.
What You'll Do
- AI Agent Security Strategy & Technical Execution
- AI Agent Security Blueprint: Define the long-term vision and architectural patterns for securing autonomous agent workflows, Model Context Protocol (MCP) integrations, multi-turn reasoning loops, and multi-agent coordination.
- Runtime Guardrails & Policy Enforcement: Architect and deploy dynamic input/output guardrail systems, semantic firewalls, and real-time intent verification filters to prevent goal hijacking, system prompt leaks, and indirect prompt injections.
- Agent Execution & Tool Sandboxing: Partner with Infrastructure and AppSec teams to design secure, short-lived, micro-isolated environments (e.g., microVMs, WebAssem
Skills mentioned
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