Endpoint Engineer Cylake · United States $150k - $250k USD

# Endpoint EngineerCylake · United States · Senior · Onsite · USD 150k - USD 250kView & Apply## About the RoleYou will serve as a technical leader responsible for building our core endpoint security agent from the ground up, providing comprehensive visibility and protection across Windows, Linux, and macOS. You will architect a lightweight, highly resilient agent capable of deep OS introspection, autonomous threat prevention, and sophisticated offline telemetry spooling. You will tackle complex challenges in user-mode hooking, kernel-level behavioral analysis, anti-tampering, and distributed systems design to deliver a seamless, high-performance security client.## Requirements:* 5+ years of experience in systems-level programming and architecting highly concurrent applications* Strong Rust programming skills with a focus on high-performance, low-level OS integrations* Deep understanding of Windows OS internals, including ETW, IPC, Named Pipes, and Windows Services* Experience with cross-platform endpoint telemetry collection utilizing Linux eBPF and macOS ESF* Proven experience in dynamic binary instrumentation, user-mode API interception, and process injection* Experience designing and optimizing low-overhead threat detection heuristics directly on the endpoint* Knowledge of Windows kernel-mode components, specifically designing File Filter Drivers for data-in-motion tracking* Experience architecting resilient distributed systems with offline disk spooling and secure mTLS synchronization* Understanding of offensive and defensive endpoint security concepts, anti-tampering mechanisms, and process protection* Experience building highly reliable agent lifecycles, self-healing architectures, and fail-safe rollback mechanisms* Strong communication and documentation skills* Experience with Microsoft Anti-Malware vendor registration (ELAM, PPL) is a plus* Experience with browser extension development or DOM hooking is a plus #J-18808-Ljbffr