{"schemaVersion":"jobsearcher.job.v1","id":"d4fa7450ed5c7ef8f413990a","url":"https://jobsearcher.com/jobs/d4fa7450ed5c7ef8f413990a","canonicalUrl":"https://jobsearcher.com/jobs/d4fa7450ed5c7ef8f413990a","title":"Principal Security Software Engineer","description":"The Microsoft Offensive Research & Security Engineering (MORSE) team is looking for a learn-it-all engineer that will help secure Microsoft products and devices.\n\nThe MORSE Cloud team is responsible for securing the next-gen Cloud compute platforms and virtualization technologies, used by more than a billion customers every day in businesses and across Azure. This team performs security design reviews, code reviews, and vulnerability research on key features of the Azure platform and virtualization stack to make sure they meet the highest possible security standards.\n\nWe are looking for a Principal Security Software Engineer to join our team. In this role, you will help engineering teams secure the Azure platform and virtualization stack built at Microsoft. 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.\nResponsibilities\nLead and participate in security reviews to identify and mitigate risk in Microsoft products, including design review, code reviews, and fuzzing.\nBe the primary security contact for teams building new innovative products and technologies in the next version of the Azure platform and virtualization technologies.\nIdentify security vulnerabilities in a wide variety of key virtualization features.\nLeverage a broad and current understanding of security to devise new protections and exploit mitigations.\nInteract with the external security community and security researchers.\nCollaborate with product teams to improve security and articulate the business value of security investments\nQualifications\nRequired/Minimum Qualifications:\n\n7+ years experience in identifying security vulnerabilities, software development lifecycle, large-scale computing, modeling, cybersecurity, and anomaly detection.\n\nOther Requirements:\n\nAbility 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.\n\nPreferred Qualifications:\n7+ years of experience in a software engineering or security-related field\n3+ years of experience security experience with native code (C/C++) and binaries, such as identifying vulnerabilities, reverse engineering, or similar\nFamiliarity with Microsoft Hyper-V\nAbility to create clarity, energy, and cohesion across the team\nPublic track record of relevant security research, especially around vulnerability discovery\nExperience exploiting bugs and bypassing security mitigations in operating systems\nFamiliarity with Microsoft Windows architecture\n\nPenetration Testing IC5 - The typical base pay range for this role across the U.S. is USD $137,600 - $267,000 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 $180,400 - $294,000 per year.\n\nCertain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: US corporate pay information | Microsoft Careers\n\nMicrosoft will accept applications for the role until September 26, 2024.\n\n#epsf\nMicrosoft is an equal opportunity employer. Consistent with applicable law, 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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.","company":"Microsoft","rawCompany":"microsoft","city":"Redmond","state":"WA","isRemote":false,"isActive":false,"createdAt":"2026-04-10T04:08:30.448Z","occupations":[{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Principal Security Software Engineer","description":"The Microsoft Offensive Research & Security Engineering (MORSE) team is looking for a learn-it-all engineer that will help secure Microsoft products and devices.\n\nThe MORSE Cloud team is responsible for securing the next-gen Cloud compute platforms and virtualization technologies, used by more than a billion customers every day in businesses and across Azure. This team performs security design reviews, code reviews, and vulnerability research on key features of the Azure platform and virtualization stack to make sure they meet the highest possible security standards.\n\nWe are looking for a Principal Security Software Engineer to join our team. In this role, you will help engineering teams secure the Azure platform and virtualization stack built at Microsoft. 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.\nResponsibilities\nLead and participate in security reviews to identify and mitigate risk in Microsoft products, including design review, code reviews, and fuzzing.\nBe the primary security contact for teams building new innovative products and technologies in the next version of the Azure platform and virtualization technologies.\nIdentify security vulnerabilities in a wide variety of key virtualization features.\nLeverage a broad and current understanding of security to devise new protections and exploit mitigations.\nInteract with the external security community and security researchers.\nCollaborate with product teams to improve security and articulate the business value of security investments\nQualifications\nRequired/Minimum Qualifications:\n\n7+ years experience in identifying security vulnerabilities, software development lifecycle, large-scale computing, modeling, cybersecurity, and anomaly detection.\n\nOther Requirements:\n\nAbility 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.\n\nPreferred Qualifications:\n7+ years of experience in a software engineering or security-related field\n3+ years of experience security experience with native code (C/C++) and binaries, such as identifying vulnerabilities, reverse engineering, or similar\nFamiliarity with Microsoft Hyper-V\nAbility to create clarity, energy, and cohesion across the team\nPublic track record of relevant security research, especially around vulnerability discovery\nExperience exploiting bugs and bypassing security mitigations in operating systems\nFamiliarity with Microsoft Windows architecture\n\nPenetration Testing IC5 - The typical base pay range for this role across the U.S. is USD $137,600 - $267,000 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 $180,400 - $294,000 per year.\n\nCertain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: US corporate pay information | Microsoft Careers\n\nMicrosoft will accept applications for the role until September 26, 2024.\n\n#epsf\nMicrosoft is an equal opportunity employer. Consistent with applicable law, 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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.","datePosted":"2026-04-10T04:08:30.448Z","dateModified":"2026-04-10T04:08:30.448Z","hiringOrganization":{"@type":"Organization","name":"Microsoft","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Redmond","addressRegion":"WA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d4fa7450ed5c7ef8f413990a"},"url":"https://jobsearcher.com/jobs/d4fa7450ed5c7ef8f413990a"}}