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Ricardo José Ruiz FernándezRJ

Ricardo José Ruiz Fernández

Penetration Tester | Ethical Hacker

€200/day
Madrid, ES
8-15 years

Average response time: 4 hours

About Ricardo José

I have nearly 10 years of experience in penetration testing, ethical hacking, and cybersecurity. I hold certifications such as OSCE3, OSCP, GCIH, GXPN, GRTM, CRTL, CRTE, and CRTM, among others.

I can assist with securing any asset in your organization, from web applications to Active Directory, for both small businesses and large companies. I provide clear results and detailed technical reports for all identified vulnerabilities.

I also have experience in programming, you can check out my work on GitHub: @ricardojoserf
  • Spanish

    Native or bilingual

Can work on-site
Madrid (up to 50km)

Experience

  • SIEMENS SMART INFRASTRUCTURES
    Ethical Hacker/Penetration tester
    May 2021 - Today (5 years and 1 month)
    Madrid, Spain
    • Penetration testing for factories and other assets
    • Collaborating in Red Team missions
    • Providing support to the Incident Response Team
  • Synack Red Team
    Bug Bounty Hunter
    July 2023 - Today (2 years and 11 months)
    • Bug bounty hunting (inactive)
  • IMMUNE Technology Institute
    Instructor
    October 2019 - December 2023 (4 years and 2 months)
    Madrid, Spain
    • Teacher of the penetration testing module of the Cybersecurity Master's Degree

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Education

  • Cybersecurity in Industrial Control Systems,
    ICS-SCADA
    2019
    Cybersecurity in Industrial Control Systems,
  • Master of Arts in Communications
    Universidad Politécnica de Madrid.
    2017
    Master in Telecommunications Engineering

Skill set (15)

Categories