# Windows System Software 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: 2026-07-20
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/cylake-inc/a2e542ef-c317-47ca-8723-9cdf5cc75c71
- Page: https://www.1752.vc/careers/jobs/cylake-windows-system-software-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

- 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

Tags: R&D