Windows Kernel Systems Engineer – Endpoints & Telemetry

Cylake; Sunnyvale (CA); On-site; USD 150,000 - 250,000; Full time

Benefits offered by this job

Competitive compensation

Comprehensive benefits package

Job summary

Cylake is seeking a highly skilled Windows kernel engineer in Sunnyvale, CA to design and build the low-level endpoint infrastructure powering telemetry, detection, and system instrumentation across Windows environments.

The role spans kernel and user-mode development, focusing on production-grade systems that operate in highly concurrent, security-sensitive environments. Strong C/C++ skills and deep Windows internals expertise are essential.

Qualifications

• Extensive experience building low-level Windows systems software.
• Deep expertise in Windows kernel architecture and NT internals.
• Extensive experience developing Windows kernel drivers.
• Strong knowledge of process, thread, memory, and object management.
• Expert-level C/C++ programming skills.
• Experience debugging complex multithreaded systems.

Responsibilities

• Design and develop production-quality Windows kernel drivers using WDM/WDF.
• Build kernel instrumentation and telemetry pipelines for endpoint visibility.
• Develop high-performance process, thread, and image lifecycle tracking.
• Implement scalable kernel callback infrastructure using: Process notifications, Thread notifications, Image load notifications, Object callbacks, Registry callbacks.
• Design lock-efficient kernel data structures and synchronization strategies.
• Build reliable user/kernel communication mechanisms.
• Debug complex concurrency, synchronization, and memory issues.

Skills

Windows kernel architecture

NT internals

Kernel driver development

C/C++ programming

Multithreaded debugging

WinDbg

System instrumentation

Tools

WinDbg

Kernel debugging

ETW

Job description

Cylake is seeking a highly skilled Windows kernel engineer in Sunnyvale, CA to design and build the low-level endpoint infrastructure powering telemetry, detection, and system instrumentation across Windows environments.

The role spans kernel and user-mode development, focusing on production-grade systems that operate in highly concurrent, security-sensitive environments. Strong C/C++ skills and deep Windows internals expertise are essential.