Similar Jobs
What we do:
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.
Who we are:
Halcyon was formed in 2021 by a team of cyber industry veterans after battling the scourge of ransomware (and advanced threats) for years at some of the largest global security vendors. Comprised of leaders from Cylance (now Blackberry), Accuvant (now Optiv), Fireye and ISS X-Force (now IBM), Halcyon is focused on building products and solutions for mid-market and enterprise customers.
As a remote-native, completely distributed global team, we recognize great talent can exist anywhere. We invite you to apply to a job you’re interested in and we'll work a plan to meet your needs.
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. If you’re passionate about security and want to make a real difference, we’d love to hear from you.
Responsibilities- 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.
- 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.
- Experience with system-level programming and OS internals
- Familiarity with SQL
- Knowledge of additional languages (C++)
- Knowledge of endpoint security concepts and threat detection
Benefits:
Halcyon offers the following benefits to eligible employees:
- 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
The Company reserves the right to modify or change these benefits programs at any time, with or without notice.
#LN-DNI
Base Salary Range: $160-220k, 10% bonus, and equity.
In accordance with applicable state and federal laws, the range provided is Halcyon’s reasonable estimate of the base compensation for this role. The actual amount may differ based on non-discriminatory factors such as experience, knowledge, skills, abilities, and location. Base pay is one part of the total package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and equity in the Company.
We understand it takes a diverse team of highly intelligent, passionate, curious, and creative people to develop the exceptional product we are building. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity employer.
Halcyon Austin, Texas, USA Office
Austin, Texas, United States, 73301
What you need to know about the Austin Tech Scene
Key Facts About Austin Tech
- Number of Tech Workers: 180,500; 13.7% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Dell, IBM, AMD, Apple, Alphabet
- Key Industries: Artificial intelligence, hardware, cloud computing, software, healthtech
- Funding Landscape: $4.5 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Live Oak Ventures, Austin Ventures, Hinge Capital, Gigafund, KdT Ventures, Next Coast Ventures, Silverton Partners
- Research Centers and Universities: University of Texas, Southwestern University, Texas State University, Center for Complex Quantum Systems, Oden Institute for Computational Engineering and Sciences, Texas Advanced Computing Center
