Mario Martinez Jr.
Cybersecurity Professional. AP Computer Science and Cybersecurity Teacher. TryHackMe USA Rank #76 — Top 1%.
View Walkthroughs and Articles | Services | Resume
About
I started in computer security on BBS networks in the 1980s. Today I teach AP Computer Science and Cybersecurity while building toward a full-time remote role in SOC analysis or penetration testing.
My TryHackMe profile sits at USA Rank #76, Top 1% globally. I hold a Physical Penetration Testing certification, am completing Security+ on the CompTIA track, and document every room I complete in this blog.
I also run MakerMindStudio, a 3D printing and laser engraving operation, and publish health and systems writing under the FACTOTUM Protocol.
Skills
Security: Penetration Testing, Network Security, Active Directory Administration, OSINT, Web Application Testing, OWASP Top 10, Splunk, Wireshark, Nmap, Metasploit, Burp Suite
Programming: Python, Java, Bash, OpenSCAD
Certifications: Physical Penetration Testing (certified), CompTIA Security+ (in progress), TryHackMe — multiple path completions
Tools: Fusion 360, Kali Linux, Ubuntu Server, GitHub, VS Code
Walkthroughs
TryHackMe room writeups published as completed. Each walkthrough covers the tools used, the logic behind each step, and the security concepts the room demonstrates.
Services
Three services available now. Each is flat-rate, no subscription.
Resume + LinkedIn Review — $97
I review your resume and LinkedIn profile against current cybersecurity and tech hiring standards. You get a marked-up document with specific rewrites, not a checklist of generic suggestions.
Turnaround: 48 hours. Get started
Cybersecurity Career Roadmap — $47
A structured 90-day plan built around your current certifications, experience level, and target role. Covers what to study, what to build, and what to skip.
Turnaround: 48 hours. Get started
AP CS FRQ Feedback — $25-$45
Line-by-line feedback on AP Computer Science Free Response Questions. Written for students preparing for the exam or teachers who want a second set of eyes on student work.
Per submission. Get started
Contact
Email: ku5e@ku5e.com
LinkedIn: linkedin.com/in/mario-martinez-jr-mba-8a831813
GitHub: github.com/ku5e
TryHackMe: tryhackme.com/p/ku5e