Senior Threat Researcher - Vulnerability Research, Fuzzing, Windows at Zscaler

Candidates must have at least 5 years of experience in vulnerability research and exploit development, with significant experience using debuggers like OllyDbg, WinDbg, or x64dbg, and disassemblers/decompilers such as IDA Pro or Ghidra. Proficiency in common software vulnerabilities and binary exploitation is required, along with experience building automated fuzzing tools to discover new vulnerabilities. A track record of responsible disclosure with documented CVEs for Microsoft products and services is necessary, and candidates should be comfortable presenting technical research to large audiences. Preferred qualifications include professional English writing skills for blogs and technical reports, deep knowledge of Windows operating system internals including kernel architecture, and familiarity with Windows security features like ASLR, DEP, and Control Flow Guard, as well as evasion techniques.