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Security Engineer - CTJ - Poly

United States, Redmond Employment contract 85400.00 - 168100.00 USD / Year · Job Posted June 10, 2026
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Job Description

The Cloud & AI organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations that impact billions of lives around the world. Microsoft is one of the largest enterprise service companies in the world. Are you excited about identifying and exploiting security vulnerabilities that impact hundreds of millions of users? Join the Microsoft Red Team (MRT) organization, where you will emulate real-world advanced persistent threats against Microsoft. Our mission is to ensure Microsoft is prepared to face and respond to even the most determined adversaries by exploring innovative ways to identify and prevent security flaws. MRT is currently seeking talented individuals focused on exploitation across a diverse set of Microsoft services. Your work will ensure the security and resilience of some of the world's largest and most complex services in the world, including Exchange Online, SharePoint Online, Microsoft Teams as well as the Microsoft Defender suite and Intune. We are looking for a Security Engineer to contribute to operations and collaborate with other experienced red teamers in identifying and exploiting vulnerabilities across all layers of services, including application, cloud, network, hardware, and operational security domains. You will work closely with developers and security personnel from multiple teams across Microsoft. By adopting the tactics, techniques, and procedures of potential attackers, you will provide critical insights that empower our security teams to strengthen defenses and protect against the evolving landscape of digital threats.

Job Responsibility

  • Discover and exploit vulnerabilities end-to-end in order to assess the security of systems and services
  • Leverage Artificial Intelligence and agentic approaches to scale, accelerate, and innovate vulnerability discovery and threat emulation
  • Contribute to the execution of Red Team operations using real world adversarial tactics and techniques to validate Microsoft's ability to detect, investigate, and respond
  • Advocate for security change through building partnerships and clearly communicating impact of risks
  • Analyze a wide array of data sources, including source code, to identify potential security weaknesses and breach points within Microsoft’s infrastructure
  • Collaborate with Blue Teams to improve readiness and produce solutions for defenders and customers
  • Analyze simulated adversary tactics and communications, enriching our defensive tactics and threat intelligence

Requirements

  • Bachelor's Degree in Statistics, Mathematics, Computer Science, Cyber Security, or related field OR equivalent experience.
  • An active U.S. Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) based on a Single Scope Background Investigation (SSBI) with Polygraph.
  • Verification of U.S. citizenship.
  • Must pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Nice to have

  • Master's Degree in Statistics, Mathematics, Computer Science, or related field
  • OR Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 2+ years' experience in any of the following: identifying security vulnerabilities, cyber security or related security discipline, or software engineering-related field
  • OR equivalent experience.

What we offer

  • Benefits and other compensation
  • health insurance
  • paid time off
  • Microsoft benefits program

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