Full-Time macOS Agent Engineer

What we do: Halcyon is the industry's first dedicated, adaptive security platform combining multiple proprietary advanced prevention engines with AI models focused on stopping ransomware.

Who we are: Halcyon was formed in 2021 by cyber industry veterans. We're focused on building products and solutions for mid-market and enterprise customers. As a remote-native team, we recognize great talent anywhere.

The Role: We seek an experienced engineer to contribute to the development of our macOS agent. This agent combines macOS extensions with a user-level service written in Rust, C++, and Swift. Expanding platform support further protects customers from ransomware threats.

Responsibilities:

• Develop macOS-specific Security Extensions using Network Extensions and the Endpoint Security Framework.
• Design Agent Functionality for macOS: Handle packaging, installation, secure updates, and system integration for endpoint agents.
• Contribute cross-platform code in Rust for the user-level service alongside macOS-specific code.
• Debug and optimize using logs, debuggers, and profiling tools.
• Test and maintain code quality by writing unit and integration tests, adhering to consistent coding style and architecture.
• Collaborate effectively across teams.

Skills and Qualifications:

• Develop high-quality code in Swift and C++
• Experience with macOS extensions in an endpoint security product (e.g., EndpointSecurity, NetworkExtensions)
• Experience developing and shipping production software for macOS
• Familiarity with SQL

Bonus Skills and Qualifications:

• Experience developing in Rust and handling interoperability between Rust and Swift
• Experience distributing macOS applications using .pkg and .dmg
• Knowledge and experience with Rust crates such as threading, async, and Tokio
• Experience working with SQL

Base Salary Range: $180,000 - $240,000

Bonus Range: 10%

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