Halcyon · 1 day ago
Linux Agent Engineer
United States
Full-time
Remote
Senior Level
$150K/yr - $200K/yrHalcyon is the industry’s first dedicated, adaptive security platform focused on stopping ransomware. They are seeking an experienced engineer to contribute to the development of their Linux agent, which serves as the main endpoint communications hub and analysis engine for ransomware protection.
Artificial Intelligence (AI)ComputerCyber SecurityNetwork SecuritySoftware
Responsibilities
Develop High-Performance System Code: Write high-performance code in Rust and C for eBPF probes, user-space components, and kernel interactions
Design Agent Functionality: Handle core agent operations including data processing pipelines, inter-component communication, and system integration for the Linux endpoint agent
EBPF and Kernel Development: Design and develop eBPF programs and/or kernel-level drivers for behavioral monitoring and security event detection
Performance Optimization: Optimize eBPF program performance and ensure compatibility across different Linux kernel versions
Cross-Platform Contributions: 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
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
Qualification
Required
Ability to develop high-quality production code in Rust
Strong experience with eBPF development including writing eBPF programs, user-space loaders, and event processing pipelines
Deep understanding of Linux kernel internals, system calls, and kernel data structures
Experience with eBPF toolchains and libraries (libbpf, BPF CO-RE, bpftool, or similar)
Proficiency debugging kernel-level code and eBPF programs using tools like bpftrace, perf, or similar
Knowledge and experience with the following Rust crates: threading, async, tokio
Experience with Linux driver development or kernel module programming
Preferred
Familiarity with Linux Security Modules (LSM)
Familiarity with SQL
Experience with endpoint security or threat monitoring systems
Knowledge of additional languages (C++, Python)
Understanding of process monitoring, network traffic analysis, or file system monitoring using eBPF
Benefits
Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.
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
Company
Halcyon
Halcyon is an anti ransomware and cyber resilience platform that eliminates the business impact of ransomware.
Founded in 2021
201-500 employees
H1B Sponsorship
Halcyon has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2023 (1)
Funding
Current Stage
Growth StageTotal Funding
$190MKey Investors
Bain Capital Ventures
2024-11-25Series C· $100M
2023-12-19Series B· $40M
2023-04-20Series A· $44M
Leadership Team
Jon Miller
CEO and Founder
Ryan Smith
CTO + Co-Founder
Recent News
2026-01-14
2025-12-02
2025-11-08
Company data provided by crunchbase