Professional Summary
Cartographic Engineer with expertise in cybersecurity, specializing in active directory penetration testing, and security automations. Proven track record in Red Team assessments, Active Directory security, and application security. Background in programming and automation with experience in improving security postures across enterprise environments.
Work Experience
Information Security Analyst
Flowa Technologies Feb 2025 - Present- Developed automation scripts for security operations, reducing manual tasks and improving incident response efficiency
- Enhanced Active Directory security by identifying and mitigating dangerous permissions, significantly reducing attack surface
- Implemented security best practices in developer onboarding and resolved critical Wi-Fi security vulnerabilities
Information Security Intern
ATG - Americas Trading Group Dec 2023 - Jan 2025- Conducted Red Team assessments and penetration testing of mobile applications, delivering comprehensive security reports
- Performed comprehensive Active Directory infrastructure mapping and identified critical security vulnerabilities
- Evaluated and tested third-party security solutions for enterprise implementation
Development Intern
ATG - Americas Trading Group Jun 2023 - Dec 2023- Designed and implemented secure application secrets management solution, improving security posture
Education & Training
Bachelor's in Cartographic Engineering
Military Institute of Engineering Jan 2020 - Dec 2024Rio de Janeiro, Brazil
Penetration Tester Job Role Path
Hack The Box Academy Aug 2023 - Jul 2024Comprehensive hands-on training covering all stages of penetration testing. Successfully passed CPTS certification exam.
Professional Pentester Course
DESEC Security Aug 2023 - Feb 2024Advanced penetration testing course with theoretical foundations and practical laboratories.
Achievements
Technical Skills
Penetration Testing & Red Team
Programming & Automation
Languages
Notable Projects
Cybersecurity Blog & CTF Writeups
Personal ProjectCreated and maintain a technical blog at mhijuxs.github.io featuring detailed CTF writeups, security cheatsheets, and educational content. Focus on explaining methodologies and alternative approaches to help others learn cybersecurity concepts effectively.
Military Troop Tracking System
Academic ProjectLed development of a geolocation-based system for tracking friendly troops using GPS and Arduino technology. Project won 1st place in Introduction to Engineering Projects course. Delivered pitch to Urca Angels investor group. Technologies: C++, Arduino, GPS, HTML/CSS, LaTeX.