Djibril Gathoni

Cybersecurity enthusiast with hands-on experience in penetration testing, CTFs, and vulnerability assessments. Constantly learning, hacking, and securing.

Welcome to My Portfolio

Junior IT & Cybersecurity Professional | CEH Certified | IT Support, Systems Administration & Network Security

Professional Summary

Recent BBIT graduate and Certified Ethical Hacker (CEH) with practical experience delivering reliable IT support to 50+ users during a 4-month attachment at Kenya Tea Packers Ltd. Achieved a 92% first-contact resolution rate and sustained 99.9% network uptime by managing Active Directory, patching 100+ endpoints, and minimizing security vulnerabilities. Hands-on skills include completing 10+ Hack The Box machines, running Nessus vulnerability scans, and analyzing network traffic with Wireshark in Cyber Shujaa labs. Passionate about blending IT operations, networking, system administration, and cybersecurity to drive efficiency, reliability, and security across critical systems.

Resume

Here's a snapshot of my IT and cybersecurity journey and key competencies:

  • Education: Bachelor of Business Information Technology (BBIT), South Eastern Kenya University (2025)
  • Certifications: Certified Ethical Hacker (CEH), Cisco Ethical Hacking – Cyber Shujaa Program
  • Experience: IT Intern at Kenya Tea Packers Ltd (May–Aug 2024) – Supported 50+ users, managed Active Directory for 200+ accounts, maintained 99.9% network uptime, and ensured endpoint security
  • Technical Skills: Active Directory, Windows/Linux administration, Nmap, Wireshark, Nessus, Hack The Box CTFs, TCP/IP, DNS/DHCP, VLANs, vulnerability scanning, penetration testing basics
  • Tools & Platforms: Wireshark, Nessus, Nmap, Metasploit, Burp Suite, Hack The Box, TryHackMe
Download My Resume (PDF)

Projects & Labs

  • Hack The Box CTF Challenges – Completed 10+ machines (including Fawn via FTP enumeration and privilege escalation), capturing flags and documenting methodologies on LinkedIn.
  • Cyber Shujaa Labs (USIU-Africa) – Performed network traffic analysis with Wireshark, conducted vulnerability scans using Nessus (identifying 50+ vulnerabilities in simulated environments), and practiced Active Directory attack/defense techniques.
  • Web Application Penetration Testing Lab – Simulated attacks on vulnerable web applications, discovered and reported multiple security flaws.

Let's Connect

I'm open to junior IT support, system administration, network technician, or cybersecurity opportunities. Feel free to reach out!

Email: ndungudjibril@gmail.com
Phone: +254 714 086 144
LinkedIn: linkedin.com/in/djibrilgathoni