CV

Chuks Clinton — Penetration Tester | Web Application Security

Contact Information

Name Chuks Clinton
Professional Title Penetration Tester | Web Application Security | Offensive Security
Email chuksclinton96@gmail.com
Phone +2348148105689
Location Lagos, Lagos State
Website https://jeffer739.github.io/Nerdweb

Professional Summary

Penetration Tester with 3+ years of experience in application security testing, vulnerability assessment and software quality assurance. Background in web development and QA testing, providing strong understanding of web application architecture and security vulnerabilities. Experienced in vulnerability discovery through manual testing, Capture The Flag competitions and hands-on labs on TryHackMe, Hack The Box and PortSwigger Web Security Academy.

Experience

  • 2023 - Present

    Remote

    Penetration Tester
    Stella Ops
    • Perform web and mobile application security testing using manual and automated techniques
    • Identify vulnerabilities including authentication flaws, injection issues, and security misconfigurations
    • Document findings with proof-of-concept steps, severity assessment, and remediation recommendations
    • Collaborate with developers to resolve vulnerabilities and improve secure coding practices
  • 2021 - 2023

    Port Harcourt, Nigeria

    QA Penetration Tester
    Upgraded Era
    • Conducted functional testing on MyMTN mobile and web applications to ensure reliability and usability
    • Identified application defects and documented vulnerabilities with detailed reproduction steps
    • Collaborated with development teams to troubleshoot bugs and improve application stability
    • Performed usability testing and analyzed feedback to enhance system performance
  • 2015 - 2017

    Port Harcourt, Nigeria

    IT Support Intern
    Loctech NG
    • Provided first-line technical support for hardware, software, and networking issues
    • Installed and configured workstations, system updates, and applications for users
    • Assisted with diagnosing system problems and troubleshooting technical issues
    • Used debugging tools such as Firebug and Chrome Inspector to identify web application errors
  • -

    Community Volunteer / CTF Team Captain
    Digital Overdose Cybersecurity Community
    • Lead team participation in regional and international Capture The Flag competitions
    • Coordinate vulnerability research and collaborative challenge solving
    • Mentor new members in web security testing and exploitation techniques
  • -

    Member
    HackSouth
  • -

    Member
    Stella Ops
  • -

    Member
    RedTeamNG

Education

  • - 2021

    Bachelor's Degree
    Federal University of Agriculture, Umudike
    Cyber Security (Computer Engineering)
  • 2011 - 2015

    High School
    Confidence Group of Schools, Eneka
    High School Diploma

Awards

  •
    1st Place
    Digital Encode Cybersecurity Hackathon CTF
  •
    1st Place
    ABCCyberHackathon CTF
  •
    2nd Place
    PicoCTF Africa (Team)
  •
    Finalist
    CySec Cybersecurity Hackathon

Skills

Penetration Testing: Web Application Testing, Mobile Application Testing, Vulnerability Assessment, OWASP Top 10, Manual Testing, Exploit Development
Security Tools: Burp Suite, Nmap, SQLmap, Gobuster, Metasploit, Wireshark, BloodHound, ffuf
Technologies: Linux, Networking, Active Directory, Python, Bash Scripting, Web Development

Languages

English : Native
Dutch : Basic

Certificates

  • CNSS Certified Network Security Specialist - ICSI, UK
  • WebApp Security Professional - Pentester Academy

Projects

  • Web Application Security Research
    • Conducted reconnaissance and enumeration exercises using common security tools
    • Performed web application testing and documented attack paths including SQLi, XXE, IDOR, File Upload bypasses and Path Traversal
    • Participated in CTF competitions on TryHackMe, HackTheBox, Webverse Labs and PortSwigger Academy
    • Simulated enterprise network attacks within controlled lab environments