# Endpoint Engineer at Cylake

- Company: Cylake
- What the company does: Cylake is the complete, AI-native cybersecurity platform that provides full visibility, sets fine-grained policy, and stops attacks in fully air-gapped sovereign environments. Backed by Greylock and Lightspeed.
- Company website: https://cylake.com/
- Type: Startups
- Level: Mid level
- Location: Sunnyvale
- Work setup: On-site
- Pay: $150K to $250K base salary per year (USD)
- Posted: 2026-03-05
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/cylake-inc/0a6a26f3-3d53-4459-abc7-d0e6d24e21a7
- Page: https://www.1752.vc/careers/jobs/cylake-endpoint-engineer/

## About the role

Join a small team building the next generation of cybersecurity products from the ground up. Led by industry veterans with a proven track record of success - you will get to architect, build, and deliver hugely impactful products with this world class team. You will have the opportunity to grow your career and skills along with the company from the very start.

## What they're looking for

- 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

Tags: R&D