Agent Engineer, Halcyon

• If you’re passionate about security and want to make a real difference, we’d love to hear from you
• Experience 5+ years of total experience
• Ability to develop high-quality, production-ready code in Rust
• Ability to work independently and take ownership of tasks from design through delivery
• Knowledge and experience with the following Rust crates: threading, async, tokio
• Experience or familiar with one of the following- Windows, Linux and/or macOS APIs
• Strong verbal and written communication skills
• Experience developing production systems in Python

Desirable

• Halcyon’s goal is to deliver an anti-ransomware solution that breaks new ground as to what a security product can deliver
• As part of this effort, we are hiring Agent Engineer- Rust Focused to help build and evolve the systems that power our endpoint agents
• Our agent is the main endpoint communications hub and analysis engine that is used to help ensure our customers are protected from the threat of ransomware
• Core Agent Platform Development: Design, build, and maintain scalable, cross-platform systems and services—primarily in Rust—that support endpoint tooling, secure bi-directional agent–cloud communication, and enterprise alerting capabilities
• Contribute to components across their lifecycle, with a focus on implementation, reliability, and performance in real-world customer environments
• Collaborate closely with backend and product teams to ensure seamless integration with Halcyon’s core services, while emphasizing security, efficiency, and operational quality
• Cross-Platform Code Contribution: Work with multi-platform logic in Rust while ensuring compatibility and optimal performance across different operating systems and architectures
• Debugging & Optimization: Use logs, debuggers, and profiling tools to analyze performance, diagnose issues, and ensure correct behavior across all supported platforms
• Test & Maintain Code Quality: Write unit and integration tests for your code, adhering to consistent coding style guidelines and overall product architecture
• Team Collaboration: Communicate effectively with other developers and teams to ensure the component integrates well within the overall product architecture and maintains interoperability across platforms