Compiler Security Engineer - C/C++, Languages & Runtimes
Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Sep 14, 2026. Apple scores B on the Alion truth index.
The Security Tools team at Apple is looking for software engineers to develop secure language features for C/C++ and enhance security features in the Clang compiler. Clang is a core part of Apple's developer tools, used internally to build Apple's software stack and externally by millions of developers, and is open source, powering the broader ecosystem. Your work will help eliminate entire classes of vulnerabilities at the language level, protecting billions of devices.
Description
In this position, you will develop security-oriented language features for C/C++ in the Clang compiler to improve security of Apple platforms. You will work with security engineers and operating system engineers across Apple to help shape the future of our platform, languages and tools. You will be involved in all aspects of taking a language feature from concept and implementation to deployment. You will have the opportunity to understand and improve the interplay between the compiler, the operating system, and other developer tools such as build systems, debuggers, and source editors.
You will also be an active contributor to the Clang/LLVM open source project and interact with the open source community and various programming language communities.
Here you’ll find that we:
- Offer a peaceful work environment where you can choose when to socialize and when to close your office door and concentrate.
- Provide technical guidance, software architectural review, and mentorship.
- Have an encouraging and growth-focused workplace culture.
Minimum Qualifications
Expertise in compiler design and implementation
Ability to write secure and high performing code with C/C++
Knowledge of memory safety and security
B.S. in Computer Science or equivalent experience; advanced degrees welcome
Preferred Qualifications
Experience working across organizational boundaries.
Knowledge of LLVM/Clang or open source development
Knowledge of security mitigation and exploitation techniques
Passion for improving compilers and developer tools
Patient, user-focused decision-making
Strong communication and teamwork skills
Positive and respectful attitude in a diverse environment
If possible, we’d love to see an example of your relevant work, such as a personal project or open source contribution