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# Endpoint Engineer

- **Company:** CYLAKE, INC.
- **Location:** Sunnyvale, CA, United States
- **Experience:** Expert
- **Salary:** $150,000 - $250,000
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Application Programming Interfaces (APIs), Apple Mac Systems, Computer Programming, Linux, Distributed Systems, Internet Security, Motion Capture, Malware Detection, Windows Services
- **Published:** November 3, 2026
- **Apply:** https://www.careerbuilder.com/job-details/endpoint-engineer-sunnyvale-ca--b5fa7620-3841-463a-90bf-3027f343e6c0

## About the Role

Internet Security, Team Building, Analysis Skills, Mac Operating System, Linux Operating System, Microsoft Windows Operating System, Technical Leadership, Operating Systems, Distributed Computing, Endpoint Security, * 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

## Description

You 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.