Principal Software Engineer

Job description

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 12+ 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 in one or more

platform security, cryptography, identity/authentication, secure boot/TPM, device security, enterprise policy/management, licensing/entitlement systems. Experience designing and developing features in large-scale, performance-sensitive systems, ideally with Windows / OS / systems depth. Public Key Cryptography/Post Quantum Cryptography(PQC).

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.