Senior Security Software Engineer

Last updated 11 days ago
Location:Redmond, Washington
Job Type:Full Time

Do you want to be a part of making the Windows operating system safer? Do you want to help Microsoft devices, such as Surface and HoloLens, be as secure as they can be? Then this may be the opportunity for you!

The Platform Security Assurance team is one of the teams responsible for securing the Windows client and server operating systems, used by billions of customers every day, along with Microsoft devices such as Xbox, HoloLens, and Surface. 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.

We are seeking an experienced security engineer to join our rapidly growing team. The ideal candidate will have hands-on experience with native code (C/C++) penetration testing (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.


Primary responsibilities:

  • Provide technical leadership to a team focused on the security of Windows
  • Lead and participate in security reviews to identify and mitigate risk in Windows and Microsoft devices, including design review, code reviews and penetration testing
  • Be the primary security contact for teams building new innovative products and technologies in the next version of Windows and Devices
  • Identify security vulnerabilities in a wide variety of key OS features such as network protocols, security features, and Microsoft devices (Xbox, HoloLens, Surface, etc.)
  • Collaborate with other security teams across Microsoft to design and develop new security mitigations and defenses, with a focus on strategy and scalability
  • Ability to learn new skills and operate in a fast-paced and changing environment
  • Excellent cross group and interpersonal skills, with the ability to articulate the business need for security


Required Qualifications:

  • 4+ years of security assurance, vulnerability research or penetration testing experience

Preferred Qualifications:

  • Public track record of relevant security research, especially around vulnerability discovery
  • B.S., Computer Science or equivalent work experience or degree
  • Experience exploiting bugs and bypassing security mitigations in Operating Systems
  • Familiarity with Microsoft Windows architecture
  • Have found security vulnerabilities in production software
  • Experience exploiting bugs and bypassing security mitigations in Operating Systems

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.

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