AI Security Research & Red Team Engineer

Cloudflare · Hybridjunior

En corto

▸Investigar vulnerabilidades en IA, agents y modelos LLM para mejorar la seguridad de Cloudflare.
▸Simular ataques reales de ciberdelincuentes en toda la infraestructura global del company.
▸Destacado: Ser parte del equipo que define cómo defenderse de amenazas emergentes en un ecosistema de IA en expansión.

Experiencia en inglés para comunicación técnica y documentación.

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?

✓Experiencia demostrable en red team o investigación de seguridad con foco en ataque y defensa.
✓Conocimiento profundo de temas de seguridad en IA, modelos LLM y entornos agenticos.
✓Habilidades comprobadas en pruebas de penetración y simulaciones de ataque en infraestructura de red y productos.
✓Capacidad para diseñar y ejecutar marcos de evaluación de eficacia de detección (Security Efficacy).
✓Excelentes habilidades de comunicación técnica para reportes a liderazgo y colaboración con equipos azul.
✓Deseable experiencia previa en entornos de colaboración entre equipos rojo y azul (purple teaming).

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

AI SecurityLLMAgentic SystemsRed TeamPenetration TestingTTPs (Tactics, Techniques, andWAFEDRSIEMPurple Teaming

¿A quién escribirle en Cloudflare?

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

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. The Role: We are seeking a highly skilled AI Security Research & Red team engineer to join our Red Team within the Security Threat Detection, Response and Emulation organization. This is a critical role that will be at the forefront of protecting our company and customers from malicious threats. You will be responsible for driving security research, exercises, and activities that emulate real world attackers and attacks to drive improvements in Cloudflare’s security posture focusing on AI, Agents, harnesses and LLM’s. Key Responsibilities: • AI Security and Vulnerability Research: Stay current with emerging threats and perform deep-dive research to identify AI-specific vulnerabilities and risks in addition to general vulnerabilities across Cloudflare’s products and services. • Agentic testing and adoption: As a core function, identifying AI-related attack surfaces through rigorous testing of agentic implementations and LLM usage which will help define requirements and implementation guidance while proactively. • Adversary Simulation: Execution of full-chain red team operations targeting Cloudflare’s global infrastructure, corporate networks, and product ecosystems. • Efficacy Testing: Establish a rigorous framework for testing "Security Efficacy"—measuring exactly how well our WAF, EDR, and SIEM detections perform against known TTPs (Tactics, Techniques, and Procedures). • Purple Teaming: Foster a highly collaborative relationship with the Blue Team (Detection & Response) to ensure findings are translated into immediate defensive improvements. • Mentorship & Growth: Be a technical leader, providing technical expertise while fostering a culture of curiosity, ethical hacking and partnering to improve Cloudflare’s security posture. • Executive Reporting: Translate complex technical exploits into risk-based narratives for leadership, helping prioritize engineering resources where they matter most. Partnerships • Security Incident Response Team (SIRT): You will act as the "sparring partner" fo

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