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Principal Security Engineer - Red Agent Team

Microsoft· Penetration Testing
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Redmond, WA$142.8k - $274.8kFull-timePosted 4d ago

About the role

Principal Security Engineer to lead and build secure, reliable and safe agentic red teaming capabilities at enterprise scale within Microsoft’s Perception Red Agents. Define technical direction for multi-agent AI-powered security systems, collaborate with product, applied science, Responsible AI and internal red teams, and drive engineering excellence across architecture, health, compliance and security hygiene.

Responsibilities

  • Own the architecture and long-term technical strategy for the Red Agents portfolio. Facilitate cross-team collaboration, identify dependencies, and resolve technical and organizational challenges that span teams and services. Drive the engineering roadmap in alignment with product goals, prioritizing investments and adopting new technologies and approaches where they provide meaningful value.
  • Guide the team in making architectural and technical decisions, balancing scalability, security, reliability, maintainability, and delivery velocity.
  • Champion experimentation and telemetry-driven development, enabling rapid iteration and data-informed decisions.
  • Drive engineering excellence through automation, tooling, testing, and standardization across development, deployment, and operations.
  • Own operational excellence and reliability practices, including SLOs, incident response, capacity planning, and ensuring post-incident learnings drive systemic improvements

Qualifications

  • Master's Degree in Statistics, Mathematics, Computer Science, or related field AND 4+ years experience in security or related field OR Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 6+ years experience in security or related field OR equivalent experience.

Skills

Required:Architecture and technical strategyCross-team collaborationAutomation and toolingOperational excellence
Nice to have:Telemetry-driven development
Last updated Oct 23, 2026. Interested? Apply on the company site.

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