Senior Windows Sustaining Engineer
HalcyonUnited States
Posted January 26, 2026
180000 - 220000 USD
Full Time
About the Company
Halcyon is the industry’s first dedicated, adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping ransomware.
Job Description
Halcyon is looking for a Senior Windows Sustaining Engineer to support the development and long-term maintenance of their anti-ransomware platform on Windows.
Requirements
- Proven ability to develop high-quality code in C++
- Proven ability to troubleshoot and debug complex systems effectively
- Proficiency with windbg in both user-mode and kernel-mode
- Ability to identify performance bottlenecks using Window Performance Analyzer
- Experience programming in Rust or a strong desire to learn Rust
- Knowledge of Windows NT internals
- Ability to modify and execute SQL statements
Benefits
- Comprehensive healthcare
- 401k plan with 3% employer match
- Short and long-term disability coverage
- Basic life and AD&D insurance plans
- Medical and dependent care FSA options
- Flexible PTO policy
- Parental leave
- Generous equity offering
