Microsoft Corporation Sr Security Software Engineer in Redmond, Washington

Do you want to help make Windows be the most secure operating system on the market? Do you want to run and grow a vulnerability research team dedicated to securing several Windows components? The Windows vulnerability research team is looking for a talented security technical lead. This lead will drive vision and roadmap for major security initiatives around vulnerability research and help secure pieces of the Windows operating system.

The vulnerability research team for Windows is one of the teams responsible for securing the Windows client and server operating systems, used by millions of customers every day, along with Microsoft devices such as Xbox, HoloLens and Surface. This team also reviews Azure components running on top of Windows, in addition to helping secure uses of Linux within Microsoft. This team performs security design reviews, code reviews, and penetration testing on key Windows features and devices to make sure they meet the highest possible security standards.

In this role, you will run a team of talented security engineers and be involved in creating new functions that will drive security, scale, and coverage across Windows, Azure and Linux components. The ideal candidate will be an OS/application security subject matter expert with experience building and leading highly technical security teams. Additionally, candidates should have hands-on experience with C/C++ vulnerability research (code audit, writing fuzzers, finding creative ways to break assumptions), a clear understanding of OS security fundamentals, solid computer science skills, and a passion for keeping Microsoft customers safe.


  • Lead and participate in security reviews to identify and mitigate risk in Windows, Azure and Linux uses within Microsoft. Activities here include design review, code reviews, fuzzing and penetration testing

  • Be one of the security consultants for teams building new innovative products and technologies in the next version of Windows

  • Identify and drive fixes to security vulnerabilities in Windows components

  • Collaborate with other security teams across Microsoft to design and develop new security mitigations and defenses

  • Leverage a broad and current understanding of OS/application security

  • Interact with the external security community, researchers and security conference presenters


Basic qualifications:

  • 3+ years of software development or security experience.

Preferred qualifications:

  • Public track record of relevant security research, especially around platform/operating systems vulnerability discovery

  • Experience exploiting bugs and bypassing security mitigations in operating systems

  • Familiarity with Microsoft Windows internals

  • Ability to learn new skills and operate in a fast-paced and changing environment

  • Excel in cross group and interpersonal skills, with the ability to articulate the business need for security

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to, the following specialized security screenings:

  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form at .

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.