Senior Software Engineer Job at Microsoft Corporation (Multiple Locations)

Senior Software Engineer

Microsoft Corporation

Location:
United Kingdom , Multiple Locations

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

The Microsoft Offensive Research & Security Engineering (MORSE) team is looking for a learn-it-all 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. 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. Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Job Responsibility:

Participate in security reviews to identify and mitigate risk in Microsoft products, including design reviews, code reviews, and fuzzing
Be the security contact for teams building new innovative products and technologies in the next version of Windows, Azure, and virtualization technologies
Identify security vulnerabilities in a wide variety of key OS features such as network protocols, security features, and Microsoft devices
Leverage a broad and current understanding of security to devise new protections
Ability to learn new skills and operate in a fast-paced and changing environment
Collaborate with product teams to improve security, and articulate the business value of security investments

Requirements:

Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND relevant years experience working in security or related field. OR Master's. Strong experience in C, C#, or Python. 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.

Nice to have:

Experience in a software engineering or security-related field
Experience 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

Additional Information:

Job Posted:
April 23, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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