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# Cybersecurity Engineer - Ethical Hacking

- **Company:** Comunidad de Madrid
- **Location:** Madrid, Spain
- **Salary:** €60,000.0 - €90,000.0
- **Contract:** Permanent contract
- **Skills:** Data Mining, Network Protocols, Reverse Engineering, Session Management, WebSocket, Scripting, IDA Pro
- **Published:** July 22, 2026
- **Apply:** https://www.jobleads.com/es/job/e573ab3a5daf1b46f767ede98aaaee60f

## About the Role

* Reverse engineering expertise with tools like IDA Pro, Ghidra, or custom solutions
 * Deep knowledge of web and network protocols TLS, HTTP/2, WebSockets, DoH
 * Advanced Python development skills for robust solutions
 * Ability to work independently and in a collaborative, fast-paced environment
 * Known ethical standards in security research

## Description

* Reverse engineering and decompilation of web and mobile apps (APK/IPA) to reveal inner workings and crypto logic
 * Evaluate and bypass anti-bot security protocols (TLS, HTTP/2, HTTP/3, WebSockets, DoH, session management) to enhance data extraction
 * Develop custom Python scripts and frameworks to automate bypasses and adapt security as needed
 * Implement stealth scraping techniques (browser patching, headless evasion, proxy tunneling, human-behavior emulation)
 * Regularly test, disrupt, and improve scraping tools to keep pace with defenses


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