Senior MacOS Internals Lead Engineer

We are seeking a Senior macOS Internals Lead Engineer to drive the development of low-level security and compatibility functionality for macOS. The role involves leading a team of engineers, writing code, reverse engineering OS behavior, and owning key system-level components. The ideal candidate is a hands-on, technically challenging individual with strong macOS understanding and a focus on security and high-quality code.

Requirements

• 7+ years of systems programming experience with macOS internals, frameworks, and security
• Proven track record of delivering complex macOS features to productions with hands on coding in C++, Swift, Objective-C
• Deep expertise in macOS frameworks, including Endpoint Security, Network Extensions, Accessibility, Launch Services, File Providers, daemons, XPC and FSEvents
• Advanced skills in reverse engineering MacOS components using Ghidra, Frida, IDA, Hopper, lldb or other tools
• Strong understanding of macOS security mechanisms, including TCC, SIP, Gatekeeper
• Experience with debugging complex architectures on MacOS

Benefits

• Salary
• Unlimited PTO