Senior Kernel Engineer

Summary

Join Halcyon, a leading anti-ransomware solution provider, as a Senior Kernel Engineer. Contribute to the development and enhancement of our Windows agent, focusing on prevention, detection, response, and remediation of attacks. You will develop prototypes for new features, contribute to functional specifications, and write high-quality code. This role requires expertise in C++, kernel-mode and user-mode programming, and experience with Windows drivers. Halcyon offers a remote-native work environment and a comprehensive benefits package, including full health insurance, 401k, disability and life insurance, flexible PTO, parental leave, and generous equity.

Requirements

• 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

Responsibilities

• 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

Preferred Qualifications

• 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

Benefits

• Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents
• 401k plan with a generous employer contribution
• Short and long-term disability coverage, basic life and AD&D insurance plans
• Medical and dependent care FSA options
• Flexible PTO policy
• Parental leave
• Generous equity offering