iOS Vulnerability Researcher
Full-time
Worldwide
Oct 31, 2026
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About the Role
CENSUS is an internationally acclaimed Cybersecurity services provider. We support the needs of multiple industries, providing IT and OT security assessment services to public and private organizations around the world, including international financial institutions and Fortune 500 companies. Powered by cutting-edge research, scientific analysis, and real-world engineering, we deliver unparalleled security assessment services for software, devices, infrastructure, and organizations. Learn more about CENSUS at census-labs.com. About the Role CENSUS is looking for a iOS Vulnerability Researcher to join our security research team, focused on vulnerability discovery and exploitation across the iOS userland attack surface. You’ll spend your time reverse engineering proprietary Apple software, identifying security boundaries and interesting attack surfaces, developing fuzzers and instrumentation, and turning promising primitives into reliable vulnerability research. This is a hands-on research role for someone who enjoys working close to the metal, understands Apple's ecosystem and is comfortable operating without complete documentation. Responsibilities Reverse engineer iOS binaries and system frameworks on ARM64/ARM64e. Identify and investigate previously unknown vulnerabilities in iOS userland components. Analyze system daemons, XPC services, framework APIs, parsers, and other undocumented components of the iOS/macOS system. Develop targeted fuzzers and harnesses. Develop reliab