Chuks Clinton
@chuksclinton
I’m a penetration tester specializing in application security, vulnerability assessment, and risk-focused reporting.
What I'm looking for
I’m a security professional with a 4+ year track record spanning web and mobile application penetration testing, vulnerability assessment, and risk analysis. I identify and validate security flaws through manual testing, automated tooling, and independent bug-bounty research, then translate results into clear, actionable reporting for both technical and non-technical stakeholders.
In recent work as a Penetration Tester (Remote), I perform security testing across authentication, session management, and input-validation layers. I produce detailed technical reports with proof-of-concept steps, CVSS-aligned severity ratings, and remediation guidance, and I partner with engineering teams throughout remediation and fix validation.
I also bring QA and real-world testing experience from telecom web and mobile applications, alongside active offensive security involvement as a CTF competitor, team captain, and mentor. My lab work covers Active Directory attack-path research and end-to-end validation of weaknesses in simulated enterprise environments.
Experience
Work history, roles, and key accomplishments
Penetration Tester
Stella Ops
Jan 2023 - Jan 2025 (2 years)
Performed web and mobile application security testing using manual and automated techniques across authentication, session management, and input-validation. Identified and validated vulnerabilities, produced technical reports with remediation guidance, and collaborated with development teams to verify fixes.
QA / Penetration Tester
UPGRADED ERA
Jan 2021 - Jan 2023 (2 years)
Conducted functional and security-focused testing on MyMTN mobile and web applications to improve reliability, usability, and resilience. Documented defects and vulnerabilities with reproducible steps, collaborated on troubleshooting and fix verification, and supported usability testing with user feedback.
IT Support Intern
LOCTECH NG
Jan 2015 - Jan 2017 (2 years)
Provided first-line technical support for hardware, software, and networking issues across the organization. Installed and maintained workstations and updates for end users and diagnosed system/connectivity problems using development tools to identify web application errors.
Education
Degrees, certifications, and relevant coursework
Federal University of Agriculture, Umudike
Bachelor of Engineering, Computer Engineering
Completed a Bachelor of Engineering in Computer Engineering at the Federal University of Agriculture, Umudike (2021).
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Website
jeffer739.github.io/NerdwebPortfolio
jeffer739.github.io/nerdweb007Social media
Job categories
Skills
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