New 
Senior Security Engineer
 Microsoft | |
 United States, Washington, Redmond | |
 Aug 10, 2025 | |
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OverviewSecurity is foundational to every product and service at Microsoft. We are seeking a seasoned security professional with a passion for identifying and mitigating risks before they impact millions of users. You will shape the future of proactive security across some of Microsoft's most innovative platforms-including Copilot, Bing, Microsoft News, Microsoft Maps, and Microsoft Advertising.The Proactive Security Engineering Team within Microsoft AI leads advanced security assessments across globally distributed services. We focus on scalable, precision-driven techniques such as secure code reviews, variant analysis, and service-level risk evaluations. Our mission is to elevate security posture through deep technical engagement, collaborative remediation, and continuous improvement of our tools and methodologies.As a Senior Security Engineer, you'll lead and coordinate proactive security assessments across multiple services and engineering teams, develop and refine methodologies for secure code analysis, variant detection, and service hardening, and collaborate with engineering and product teams to prioritize and remediate findings. You will be part of a culture of trust, transparency, and continuous learning offering a unique opportunity to influence security outcomes across Microsoft AI services. Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
ResponsibilitiesIdentify and help remediate vulnerabilities in Microsoft AI products utilizing code reviews, proactive security testing and product aligned penetration test assessments, and design reviews.Utilize comprehensive and up-to-date knowledge of security to design innovative protections.Work closely with product teams to enhance security measures and clearly communicate the business benefits of security testing.Partner with teams outside Microsoft AI to leverage and contribute to product security practices as well as Secure SDLC. | |