Senior Security Engineer Job at Microsoft Corporation (Cambridge)

Job Description

The Microsoft Offensive Research & Security Engineering (MORSE) team is looking for a Senior Security Engineer to help secure Microsoft’s products and devices. MORSE is responsible for securing Microsoft’s operating systems and platform technologies, cloud platforms, and virtualisation technologies that support the daily needs of over a billion customers worldwide. In this role, you will work across the discovery and mitigation of security vulnerabilities — identifying weaknesses in systems, understanding their impact, and helping drive protections that improve the security of Microsoft platforms at scale. You will partner with engineers across Windows, Azure, and platform infrastructure to deliver security improvements and influence the way systems are designed and built. This role is well suited to engineers who enjoy deep systems work, solving complex problems, and delivering high impact security outcomes.

Job Responsibility

Drive identification and analysis of security vulnerabilities across operating system and platform components, including design review, code review, fuzzing, and variant analysis
Develop and influence mitigations and protections that reduce risk across platforms, improving resilience against entire classes of vulnerabilities
Collaborate with engineering teams to integrate security into the development lifecycle, influencing design decisions and improving secure engineering practices
Contribute to the development and scaling of security tooling, detection capabilities, or analysis techniques that enable broader coverage and earlier detection of vulnerabilities
Partner across organisations to translate security findings into systemic improvements and measurable security outcomes
Stay current on attacker techniques, emerging vulnerability classes, and industry trends, applying this knowledge to improve Microsoft’s security posture
Provide technical leadership within and across teams, contributing to direction setting, problem decomposition, and delivery of complex security initiatives

Requirements

Significant experience in security-related elements of software engineering or in another security-related field
Hands on experience with systems level programming languages such as C, C++, or Rust
Ability to meet Microsoft, customer and/or government security screening requirements
Microsoft Cloud Background Check

Nice to have

Public or internal track record of relevant security research
Understanding of operating system security fundamentals, including kernel or low level platform components
Experience performing vulnerability research, including code review, fuzzing, reverse engineering, or exploit development
Experience developing or applying mitigations, such as memory safety protections, sandboxing, or platform hardening techniques

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Senior Security Engineer

Job Description

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