Overview The Windows Security team at Microsoft is seeking security engineers to help secure Windows products and devices, with a focus on offensive security, security engineering, and mitigations for Windows. The Windows security group protects Windows client and server operating systems used by billions of customers worldwide and conducts security design reviews, code reviews, penetration testing, vulnerability research, and drives systematic mitigations to meet the highest security standards and proactively defend against cybersecurity threats. This role is hands-on, technically demanding, and central to strengthening the security posture of Windows platforms.
Overview The Windows Security team at Microsoft is seeking security engineers to help secure Windows products and devices, with a focus on offensive security, security engineering, and mitigations for Windows. The Windows security group protects Windows client and server operating systems used by billions of customers worldwide and conducts security design reviews, code reviews, penetration testing, vulnerability research, and drives systematic mitigations to meet the highest security standards and proactively defend against cybersecurity threats. This role is hands-on, technically demanding, and central to strengthening the security posture of Windows platforms.
In this role, you will uncover novel attack vectors, develop proof-of-concept mitigations, and partner directly with Windows product engineering teams to design durable and scalable defenses. The successful candidate will have hands-on experience with native code (C/C++), penetration testing (code audits, writing fuzzers, and identifying ways to break assumptions), a solid understanding of OS security fundamentals, computer science skills, and a passion for keeping Microsoft customers safe.
Responsibilities - Build reusable agents and tools to expedite and improve the consistency and quality of security reviews. - Review features and code for security defects and architectural risk using agents and automated tools built by you and others. - Serve as the security contact for teams building new innovative products and technologies in the next version of Windows and devices. - Identify security vulnerabilities in ke
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In this role, you will uncover novel attack vectors, develop proof-of-concept mitigations, and partner directly with Windows product engineering teams to design durable and scalable defenses. The successful candidate will have hands-on experience with native code (C/C++), penetration testing (code audits, writing fuzzers, and identifying ways to break assumptions), a solid understanding of OS security fundamentals, computer science skills, and a passion for keeping Microsoft customers safe.
Responsibilities - Build reusable agents and tools to expedite and improve the consistency and quality of security reviews. - Review features and code for security defects and architectural risk using agents and automated tools built by you and others. - Serve as the security contact for teams building new innovative products and technologies in the next version of Windows and devices. - Identify security vulnerabilities in ke
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Based on: Senior Security Engineer
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© 2026 JobMatcher. All rights reserved.
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