[Hiring] Agent Engineer @Halcyon

Role Description

This role involves developing and maintaining a cross-platform agent core for Halcyon's adaptive security platform.

• Develop Cross-Platform Agent Core:
  • Write production-quality Rust code that transforms messages, processes data, communicates over IPC channels, and interfaces with components written in different languages including Web API integration.
• Design and Build Agent Functionality:
  • Implement core agent operations including data processing pipelines, inter-component communication, and system integration for endpoint agents across Linux, Windows, and macOS platforms.
• Linux Platform Development:
  • Contribute to Linux-specific agent components, leveraging knowledge of Linux internals, system calls, and platform-specific APIs to build reliable, performant functionality.
• Customer Escalation Ownership:
  • Serve as a primary action point for engineering escalations from the Customer Success team.
  • Analyze logs, crash dumps, diagnostics, and field data to triage customer-reported issues, identify root causes, and drive timely resolutions.
  • Communicate findings back to Customer Success and coordinate fixes across releases.
• Debugging and Optimization:
  • Use logs, debuggers, and profiling tools to analyze performance, diagnose issues, and ensure correct behavior across all supported platforms.
• Test and Maintain Code Quality:
  • Write unit and integration tests for your code, adhering to consistent coding style guidelines and overall product architecture.
• Cross-Functional Collaboration:
  • Work closely with customer support, product management, and engineering teams to resolve customer issues and improve product quality.
  • Communicate effectively with other developers to ensure components integrate well within the overall product architecture.

Qualifications

• Ability to develop high-quality production code in Rust
• Strong experience with Linux systems programming and Linux APIs
• Knowledge and experience with the following Rust crates and concepts: threading, async, tokio
• Experience debugging complex systems using tools such as gdb, lldb, and/or windbg
• Strong verbal and written communication skills

Requirements

• Experience with eBPF development or Linux kernel internals
• Experience with Windows and/or macOS APIs and development
• Familiarity with SQL
• Knowledge of additional languages (C++, Python)
• Experience with endpoint security concepts and threat detection
• Experience with system-level programming and OS internals across multiple platforms

Benefits

• Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents
• 401k plan with a generous employer contribution
• 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