Senior Kernel Engineer

What we do:
Halcyon is the industry’s first dedicated, adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping ransomware.

Who we are:
Halcyon was formed in 2021 by a team of cyber industry veterans after battling the scourge of ransomware (and advanced threats) for years at some of the largest global security vendors. Comprised of leaders from Cylance (now Blackberry), Accuvant (now Optiv), Fireye and ISS X-Force (now IBM), Halcyon is focused on building products and solutions for mid-market and enterprise customers.

As a remote-native, completely distributed global team, we recognize great talent can exist anywhere. We invite you to apply to a job you’re interested in and we'll work a plan to meet your needs.

The Role:

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 Principal 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.

Responsibilities:

• Collaborate with Engineering, Product, and Customer Success teams to help define new product features and drive these new features from initial concept and through design, coding, test, and release

• Drive customer-facing problem investigations and performance investigations and transform learnings from these investigations into higher quality code in the form of new features, bug fixes, and performance enhancements

Skills and 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

• Excellent written and verbal communication skills

• Highly collaborative with a strong ability and desire to mentor and inspire others

• Practical professional experience in dealing successfully with ambiguity

Bonus skills and Qualifications:

• Knowledge and experience with Portable Executable format, Reverse Engineering

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