Security Researcher

Security Researcher (Mid-Level)

Location: Israel (Remote)

Job Type: Full time / Contract Based

About LucidBit Labs

LucidBit Labs is a boutique cybersecurity research firm specializing in deep security research, vulnerability discovery, and exploitation. We research complex software systems, uncover and mitigate security flaws in modern systems, helping organizations strengthen their security.

We are looking for a passionate Security Researcher to join our team. This role is ideal for someone who loves digging into code, exploring complex systems to find and understand vulnerabilities, and constantly learn.

Responsibilities

• Analyze, audit, and reverse-engineer code to identify security vulnerabilities in mobile apps, embedded systems, and other software.
• Develop proof-of-concept exploits to demonstrate security flaws.
• Build tools and methodologies to detect vulnerabilities using LLMs.
• Research new attack techniques, security bypasses, and novel vulnerabilities.
• Document findings in a clear, structured way (in Hebrew and English).
• Collaborate with the team to deliver high-quality security research for clients.
• Stay up-to-date with emerging cybersecurity trends, CVEs, and cutting-edge tools.

Qualifications

Required:

• Experience with finding vulnerabilities in large and complex software systems.
• Software development experience (C / JS / Python / Rust / Go etc.).
• Strong interest in cybersecurity, code vulnerabilities, and low-level systems.
• Ability to quickly learn and dive deep into large systems.
• Independent and self-motivated, able to work with minimal supervision.
• Ability to clearly communicate technical subjects, both in writng and verbally, in English.

Preferred (but not mandatory):

• Experience with Blockchain technologies.
• Background in reverse engineering, exploit development and/or fuzzing.
• Background in OS internals - Android / iOS / Linux / Windows.

Why Join Us?

• Opportunity to join a team that works on challenges at the intersection between vulnerability research and LLMs.
• Work on real-world, high-impact security research projects.
• Flexible work hours and location, remote-first culture. We measure results - not hours.
• Be part of a small, elite team where your work directly shapes the company’s success.
• Gain hands-on experience with advanced vulnerabilities and security challenges.