Principal Security Engineer

Microsoft
$139,900.00 - $274,800.00 / yr
remote work
United States, Washington, Redmond
Jan 18, 2026
Overview Microsoft Research is building new tools to automate the search for unknown malicious software.We are the growing, evolving team behind Microsoft'sProject Ire,AcquireVolatile Memory for Linux (AVML),OneFuzz, Project Freta, and other new security tooling initiatives.The goal of our group is to make a difference for Microsoft's customers by building high-trust discovery mechanisms into Azure, the world's computer.Our group builds and sometimes Open Sources memory-safe security tooling with the Rust language.We work with the latest foundation models to createArtificial Intelligence (AI)-poweredreverse engineering and malware discovery tooling.Our distributed team includes remote work opportunities and regularly interfaces with engineering teams across the globe.We invite you to consider joining our team as we learn together. In this role, you will be part of a collaborative team environment involved in rapid prototyping, compatibility engineering, and the invention of new capabilities in the security space. Ifyou'rea passionatesecurityprofessional with an interest inautomatingreverse engineering and software exploration,learningor continuing with Rust, or building a more trustworthy cloud- please seek out this role. Responsibilities Design and develop new agentic methods of interaction with reverse engineering tools. Harness reverse engineering tools for automated use. Gain expertise in using and developing automated reverse engineering frameworks. Work with real-world malicious software as test data. Participate in communications and research outreach. Develop software in Rust and Python in cloud-native environments including containers. Qualifications Required Qualification Master's Degree in Computer Science, or related field AND 4+ years experience in security or related field Or Bachelor's Degree in Computer Science, or related field AND 6+ years experience in security or related field OR equivalent experience. Preferred Qualifications Experience with Python Programming Language 8+years experiencein security or related field Experience developingsoftware inor an interest in learning the Rust programming language. Experience with reverse engineering or source code analysis, or an interest in learning these skills Experiencedeveloping agentic systems for security Experience in Windows (OperatingSystemand apps) security Any experience with volatile memory forensics tools Any experience withstatic analysis tools #Research #MSRR Penetration Testing IC5 - The typical base pay range for this role across the U.S. is USD $139,900 - $274,800 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 $188,000 - $304,200 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.