Senior macOS Cyber Security Engineer – Endpoint Security (C++/Swift)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior macOS Cyber Security Engineer – Endpoint Security (C++/Swift) based in the United States. We are seeking an experienced macOS Cyber Security Engineer to develop and enhance advanced endpoint security solutions. In this role, you will contribute to the development of a high-performance security agent designed to detect, monitor, and prevent malicious activity across macOS devices. You will work extensively with modern C++, Swift, and Objective-C++ while leveraging macOS system-level frameworks and security APIs. The position combines low-level systems programming, cybersecurity engineering, performance optimization, and software reliability. You will collaborate with cross-platform engineering teams to deliver secure, scalable, and efficient solutions. This is an exciting opportunity to work on mission-critical endpoint protection technology in a technically challenging environment.