{"id":2131835,"url":"https://alion.io/job/apple-compiler-security-engineer-cc-languages-runtimes","title":"Compiler Security Engineer - C/C++, Languages & Runtimes","company":{"id":12,"name":"Apple","domain":"apple.com","url":"https://alion.io/company/apple","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Apple Jobs","truth_index":{"grade":"B","score":80,"open_postings":987,"ghost_share":0,"stale_share":0.805,"repost_share":0,"time_to_fill_p50_days":47,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Security","role_family":"Security","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cupertino, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":182000,"max_usd":414000,"period":"year","method":"role_country_seniority_unknown","sample_n":3177},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"LLVM","optional":false}],"status":"live","first_seen_at":"2026-09-14T22:29:02Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-17T14:15:21Z","board_verified":true,"closed_at":null,"days_open":32,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":32},"description":"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.\nDescription\nIn 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.\nYou 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.\nHere you’ll find that we:\n- Offer a peaceful work environment where you can choose when to socialize and when to close your office door and concentrate.\n- Provide technical guidance, software architectural review, and mentorship.\n- Have an encouraging and growth-focused workplace culture.\nMinimum Qualifications\nExpertise in compiler design and implementation\nAbility to write secure and high performing code with C/C++\nKnowledge of memory safety and security\nB.S. in Computer Science or equivalent experience; advanced degrees welcome\nPreferred Qualifications\nExperience working across organizational boundaries.\nKnowledge of LLVM/Clang or open source development\nKnowledge of security mitigation and exploitation techniques\nPassion for improving compilers and developer tools\nPatient, user-focused decision-making\nStrong communication and teamwork skills\nPositive and respectful attitude in a diverse environment\nIf possible, we’d love to see an example of your relevant work, such as a personal project or open source contribution","description_format":"text","description_chars":2283,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Operating Systems","Laptops","Smartwatches & Fitness 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