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Job Details
Posted date: Mar 10, 2026
There have been 39 jobs posted with the title of Senior Security Engineer all time at Microsoft.Category: Penetration Testing
Location: Redmond, WA
Estimated salary: $188,900
Range: $119,800 - $258,000
Employment type: Full-Time
Work location type: 3 days / week in-office
Role: Individual Contributor
Description
OverviewThe Microsoft Offensive Research & Security Engineering (MORSE) team is looking for a learn-it-all security engineer that will help secure Microsoft products.
The MORSE team is responsible for securing Microsoft's operating systems, including Windows, cloud computing platforms, and virtualization technologies. These solutions support the daily needs of over one billion customers worldwide. This team performs security design reviews, code reviews, and vulnerability research on key features of Windows and Azure to make sure they meet the highest possible security standards. Our engineering team builds mitigations, hardens operating systems, builds scalable bug detection systems, improves developer tools, and creates cutting edge vulnerability research capabilities.
In this role, you will help engineering teams secure the operating systems built at Microsoft, including work across Azure to develop and harden confidential computing platforms and services. The ideal candidate will have hands-on experience with native code (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.
Responsibilities
• Lead and participate in security reviews to identify and mitigate risk in Microsoft products, including design reviews, code reviews, and fuzzing.• Be the primary security contact for teams building new innovative products and technologies in the next version of Windows, Azure (including confidential computing), and virtualization technologies.
• Identify security vulnerabilities in a wide variety of key OS features and virtualization technologies.
• Help design, review, and harden Azure confidential computing platforms (e.g., trusted execution environments, isolation boundaries, and attestation flows), including identifying and mitigating risks from virtualization escapes, supply-chain threats, and side-channel attacks.
• Collaborate with other security teams across Microsoft to design and develop new security mitigations and defenses, with a focus on strategy and scalability
• Interact with the external security community and security researchers.
• Collaborate with product teams to improve security, and articulate the business value of security investments.
Qualifications
Required Qualifications:•Master's Degree in Statistics, Mathematics, Computer Science, or related field AND 3+ years experience in security or related field OR Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 4+ years experience in security or related field OR equivalent experience.
Preferred Qualifications:
• 5+ years of experience in a software engineering or security-related field.
• 3+ years identifying vulnerabilities in operating systems and/or native (C/C++) applications.
• Experience exploiting bugs and bypassing security mitigations in operating systems
• Familiarity with Microsoft Windows architecture
• Experience with confidential computing technologies and concepts (e.g., Intel SGX/TDX, AMD SEV-SNP, ARM CCA, enclaves, vTPM), and the security properties/limitations of TEEs.
Public track record of relevant security research, especially around vulnerability discovery
Penetration Testing IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $158,400 - $258,000 per year.
Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay
This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.
Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.