*We are unable to sponsor as this is a permanent Full time role* A prestigious company is looking for a Principal Kernel System Engineer. This engineer will focus on stopping ransomware, bug fixes, performance enhancements, etc. This engineer will write high quality multithread safe code. Responsibilities: Develops prototypes for new features, transforms prototypes into production quality code Translates learnings from prototyping effort into crisp functional specifications and project plans for new product features with minimal direction Independently drives new features, bug fixes, and performance enhancements Qualifications: Writes high-quality multithread-safe code in C++ in both Kernel-mode and user-mode Develops high-quality code in Rust or a strong desire and capacity to learn quickly (Rust) Has shipped at least one production quality driver for Windows NT Strong knowledge of Win32 APIs and NT Kernel Internals Debugs memory corruption issues and improves end-to-end system performance Knowledge and experience with Portable Executable format, Reverse Engineering Experience with Windows Mini-Filter drivers and Windows Filter Platform callout drivers Experience with SQL/Databricks and prior experience developing automated telemetry