Łukasz Woźniak

Pentester

Warsaw, Mazowieckie, Poland

About

Pentester & Ethical Hacker with practical experience in security testing and vulnerability research. Finding: CVE-2025-10317 Blog: vq4s.github.io

Experience

  • Junior Cybersecurity Specialist at PIT-RADWAR S.A.
    Nov 2025 - Present · 9 mos

  • CTF Player at MindCrafters
    Jul 2025 - Jan 2026 · 7 mos

    CTF Player | Web Security & OSINT Enthusiast Actively participating in Capture The Flag competitions, focusing on web application security and OSINT https://mindcrafters.xyz/members/vq4s/

  • Kyndryl (3 yrs 3 mos)
    • Applications admnistrator
      Feb 2023 - Oct 2025 · 2 yrs 9 mos

      •Maintained and supported server infrastructures across Linux (Debian, Red Hat), AIX, and Windows environments •Administered web and application servers such as Apache, Nginx, Tomcat, IIS, and IBM WebSphere, ensuring optimal performance and availability •Monitored servers and applications using tools like Nagios, Netcool, and Centreon, maintaining high system availability and performance •Automated application-related tasks using Ansible and Bash scripting •Provided support for middleware platforms, including InfoSphere DataStage, WebSphere MQ, and IBM InterPel •Performed database operations in Oracle, MySQL, and PostgreSQL: start/stop services, run SQL queries, analyze logs, and troubleshoot issues

    • Asystent IT
      Aug 2022 - Feb 2023 · 7 mos