Aurélien Wailly
Senior Security Manager @Amazon Web Services (AWS)
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WORK HISTORY
Senior Security Manager @Amazon Web Services (AWS)
Paris, FR
Built and led the Operational R&D Security organization (60+ engineers), improving Security Operations efficiency by ~10% YoY through automation and AI-driven workflows.• Defined and executed an end-to-end AI automation strategy, from rapid prototyping of emergent threats to long-term, reusable security platforms.• Delivered LLM-powered security investigation systems that automatically analyze logs, generate reports, and trigger mitigations, reducing investigation time from hours to minutes.• Structured and scaled 4 engineering teams, delivering maintainable, production-grade security systems used across AWS.• Designed and expanded a follow-the-sun on-call model across 5+ time zones, significantly reducing MTTR for high-severity incidents.• Partnered with senior leadership through monthly data-driven operational reviews, influencing investment and roadmap decisions.
EDUCATION
ENSEEIHT
Master's degree, Telecommunications Engineering
Pierre and Marie Curie University
Doctor of Philosophy (PhD), Computer Science
SKILLS
ABOUT AURÉLIEN WAILLY
Senior Security Manager with 15+ years in cybersecurity and over a decade at AWS, leading large-scale security organizations focused on AI-powered automation and intelligent defense systems. I currently lead the Operational Research & Development organization within AWS Security, managing 60+ engineers across multiple teams. Our mission is simple: use AI and automation to make security scale where human-only approaches fail.My work focuses on transforming manual, reactive security operations into learning systems, from LLM-powered investigation pipelines to automated mitigation and decision support. One such system reduced investigation time from hours to minutes by automatically analyzing logs, generating human-readable reports, and executing mitigations when safe to do so.I specialize in operating at the intersection of AI, security engineering, and organizational design, building teams, processes, and platforms that remain effective when protecting millions of accounts.PhD in Computer Science. Passionate about growing leaders, not just systems.
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