Tech companies in IsraelPlanet NineSecurity Researcher

Security Researcher

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Planet Nine· Computer and Network Security
Tel-Aviv, Tel-Aviv District, IsraelPosted this monthFull-time

Skills from the role

Vulnerability ResearchReverse EngineeringC/C++PythonIDA ProGhidraBinary NinjaStatic AnalysisDynamic AnalysisFuzzingOS InternalsSecure Design ReviewExploit AnalysisFirmware AnalysisEmbedded SystemsRoot-Cause Analysis

Job description

We are looking for a skilled Defensive Vulnerability Researcher to join our top-tier security team. You’ll identify and analyze vulnerabilities across software, firmware, and embedded systems using advanced reverse engineering. The role includes developing tools and automation to support vulnerability research, static and dynamic analysis, and custom testing techniques. You’ll collaborate closely with team, contribute to innovative research, and drive real-world impact in critical infrastructure security. Responsibilites Defensive Vulnerability Research - Identify and analyze software and hardware flaws through reverse engineering of binaries, firmware, and applications (Windows, Linux, Embedded). Root-Cause & Mitigation - Conduct vulnerability discovery, triage, and exploit analysis; propose mitigations and secure design improvements. Tooling & Automation - Build tools and scripts to streamline vulnerability research, static/dynamic analysis, and fuzzing workflows. Secure Design Review - Evaluate codebases and architectures for security weaknesses; collaborate with engineering teams to harden systems. Disclosure & Collaboration - Support coordinated disclosure processes with vendors and document findings in detailed technical reports. Research & Innovation - Explore new techniques in reverse engineering, vulnerability discovery, and exploit mitigation. Team & Impact - Work alongside a world-class research team on advanced and impactful defensive security projects. Independence & Creativity - Pursue independent vulnerability research and disclosure initiatives that contribute to global security resilience. Requirements Requirements 5+ years experience in vulnerability research and exploitation (Hands-On). 5+ years experience in reverse engineering using tools such as IDA Pro, Ghidra, or Binary Ninja (Hands-On). Strong programming and scripting experience (C/C++, Python, or equivalent). Familiarity with modern OS internals (Windows and/or Linux). Ability to work within a team while leading complex research missions. Nice to Have Prior contributions to security research publications or CVEs. Experience with fuzzing frameworks (AFL, libFuzzer, Honggfuzz). Familiarity with secure software development practices and code auditing. Knowledge of embedded systems or mobile platform security.
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About Planet Nine

Planet Nine is a global leader in cybersecurity and artificial intelligence, dedicated to helping enterprises and governments safeguard what matters most in an increasingly hostile digital environment. We blend cutting-edge AI with deep threat intelligence to empower clients to stay ahead of fast-evolving risks across everything from digital infrastructure to online content. Our capabilities include early detection of malicious domains, scam networks, phishing attempts, and brand impersonation before they become active threats. We also provide real-time monitoring and analysis of harmful media, influence operations, and coordinated disinformation campaigns. Whether it’s securing global enterprises, supporting national cybersecurity initiatives, or protecting critical information infrastructure (CII), Planet Nine delivers expert-driven, modular technology that evolves with the threat landscape. From fraud detection and OSINT to cyber simulations and AI-powered threat analysis, we provide the tools needed to stay ahead of the curve.

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