Senior Kernel Engineer

Halcyon’s goal is to deliver an anti-ransomware solution that breaks new ground as to what an amazing security product can deliver. Aligned with this goal, Halcyon is looking for an experienced Senior Kernel Engineer to contribute to our Windows agent’s ability to prevent, detect, respond, and remediate attacks. In this role, you will drive enhancements in multiple product domains. This development will allow Halcyon’s product to better protect customers from the threat of ransomware.

• →Develops prototypes for new features
• →Contributes to functional specifications and project plans for new product features
• →Writes high quality code in the form of new features, bug fixes, and performance enhancements

• Writes high-quality multithread-safe code in C++ in both kernel-mode and user-mode
• Works independently with little to no direction, and demonstrates solid engineering practices (planning, documentation, unit testing, etc.)
• 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
• Above average written and verbal communication skills

• Collaborative with an ability and desire to mentor and inspire others
• 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
• Familiarity with tools for Rust / C++ interoperability