Cylake
Endpoint Engineer
$150K–$250K
Sunnyvale · On-site · Full-time · Posted Mar 5, 2026
- Experience
- 5+ years in systems-level programming and architecting highly concurrent applications.
- Visa sponsorship
- Employment offer is conditioned on authorization to receive export-controlled software or technology without sponsorship for an export license.
About the job
Architect and build a cross-platform endpoint security agent that collects telemetry, detects and prevents threats, and remains resilient and performant.
What you'll do
- Architect and develop the core endpoint agent for Windows, Linux, and macOS.
- Implement endpoint telemetry, threat detection, and prevention, including OS-level integrations and behavioral analysis.
- Build resilient agent lifecycles and distributed telemetry storage and synchronization, including offline spooling.
What they ask for
- 5+ years of experience in systems-level programming and architecting highly concurrent applications.
- Strong Rust programming skills focused on high-performance, low-level OS integrations.
- Experience with Windows OS internals, cross-platform endpoint telemetry collection, and dynamic binary instrumentation, API interception, and process injection.
- Experience designing endpoint threat-detection heuristics, Windows File Filter Drivers, and resilient distributed systems with offline disk spooling and secure mTLS synchronization.
Nice to have
- Experience with Microsoft Anti-Malware vendor registration (ELAM, PPL).
- Experience with browser extension development or DOM hooking.
Pay
USD $150,000 – $250,000 per year (base salary)
Tools
Rust, Windows, Linux, macOS, ETW, IPC, Named Pipes, eBPF
Model-written summary · the original posting is authoritative