Principal Software Engineer - C++ ( Security)

About this role

Security & OS Feature Engineering Design and implement Windows security and enterprise capabilities that ship at scale across client and/or server. Build features across foundational areas such as hardware-backed security, cryptography, identity/authentication, and enterprise management experiences. Establish reusable patterns (e.g., prompt/playbook snippets, validation checklists, automation hooks) that make AI usage repeatable and safe for the team

Improve engineering efficiency by applying AI to: Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Solid experience building and shipping production software in one or more systems languages (e.g., C/C++/C#/Rust) and debugging complex systems. Experience designing and developing features in large-scale, performance-sensitive systems, ideally with Windows / OS / systems depth

These requirements include but are not limited to the following specialized security screenings: Bachelor's in Computer Science, Engineering, or related field plus 10+ years of relevant experience. Experience in one or more: platform security, cryptography, identity/authentication, secure boot/TPM, device security, enterprise policy/management, licensing/entitlement systems. Track record of driving engineering quality: testing strategy, telemetry, reliability, and operational excellence

Comfort partnering across geographies and influencing designs with stakeholders across engineering, security, and program leadership.

Apply for this role on Microsoft’s official careers site.