AI Agent Security Architect

Replit · Foster City, CARemotosenior

En corto

▸Arquitecto de seguridad para agentes de IA que protegen entornos de ejecución autónomos en Replit.
▸Diseña marcos de defensa en tiempo real, sandboxes seguros y políticas de privilegios mínimos para agentes que ejecutan código y usan herramientas.
▸Es el líder técnico del blueprint de seguridad de IA, combinando arquitectura, amenazas agénticas y cumplimiento regulatorio.

Fluency in English required for technical collaboration and documentation.

En ~1 minuto te damos: quién te entrevista, las preguntas probables con respuestas desde tu CV, y tu CV adaptado a esta vacante. Gratis, sin tarjeta.

¿Qué piden?

✓6+ años en ingeniería de seguridad, con 2+ años enfocados en seguridad de IA/ML o agentes.
✓Experiencia práctica con arquitecturas de agentes (MCP, LangChain, AutoGen, CrewAI, ReAct).
✓Conocimiento avanzado en sandboxes (microVM, WebAssembly, contenedores) y ejecución segura de código.
✓Capacidad para realizar modelado de amenazas y red teaming especializado en IA no determinista.
✓Experiencia en diseño de políticas de privilegios mínimos y autorización paso a paso (HITL).
✓Capacidad de traducir controles de seguridad en documentación de cumplimiento (ISO 42001, NIST AI RMF, EU AI Act).

¿No cumplís todo? Es lo normal — tu dossier gratis te dice qué gaps tenés y cómo cubrirlos en la entrevista.

Model Context Protocol (MCP)LangChainAutoGenCrewAIReActvector databasesRAG pipelinesWebAssemblymicroVMscontainer sandboxes

¿A quién escribirle en Replit?

Tu dossier gratis identifica a las personas que te entrevistarían — con su background, qué valoran y cómo escribirles para destacar antes de aplicar.

Compensation: $230 – $350 • Offers Commission. 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, WebAssembly, container sandboxes) where agents can dynamically execute code, run shell commands, and interact with host operating systems safely. - Agentic Threat Modeling & Red Teaming: Conduct specialized threat modeling against non-deterministic systems. Lead automated and manual AI red-teaming initiatives to uncover vulnerabilities in RAG context pipelines, vector stores, and tool-calling interfaces. - Identity, Delegation & Least Privilege: Architect fine-grained permission models and step-up Human-in-the-Loop (HITL) authorization patterns for agents acting on behalf of users—ensuring agents never exceed the delegated privileges of the end user or misuse API keys. - Context & Memory Boundary Security: Design strict data isolation and poisoning prevention controls for vector databases, retrieval-augmented generation (RAG) pipelines, and long-term conversation memories across multi-tenant workloads. - Risk Management & Cross-Functional Enablement - Maintain the AI Security Source of Truth: Define, document, and maintain authoritative secure design patterns and SDKs for engineering teams building internal or customer-facing AI agent capabilities. - Contribution to Risk Register: Identify, quantify, and document non-deterministic and agentic security risks (e.g., OWASP Top 10 for LLMs & AI Agents, MITRE ATLAS), ensuring they are accurately represented in the Cybersecurity Risk Register. - Auditability & Observability: Design tamper-evident logging and telemetry standards for agent reasoning chains, tool execution history, and context assembly to support incident response, forensics, and GRC requirements. - Compliance & Sales Enablement: Partner with GRC to translate complex AI security controls into enterprise-ready audit documentation (e.g., ISO 42001, NIST AI RMF, EU AI Act readiness) and support Sales on complex enterprise security inquiries regarding AI safety. Required Skills & Experience - 6+ years of experience in security engineering or security architecture, with at least 2+ years dedicated specifically to AI/ML security, LLM application security, or securing agentic frameworks. - Deep understanding of agentic architectures and protocols (e.g., Model Context. Protocol (MCP), LangChain, AutoGen, CrewAI, ReAct frameworks, and vector database technologies). - Hands-on expertise with t

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