• Performed penetration testing for various clients, including web and mobile applications primarily focusing on the "gray box" method, and providing actionable insights to improve security postures.• Performed vulnerability scanning using VA Tools and reporting the security risks on the client system.• Produced detailed and understandable client penetration test reports, highlighting detected vulnerabilities, risk assessments, and practical remedy recommendations.• Presenting penetration test results based on reports to clients.• Calculated CVSS 3.1 scores to assess the severity of identified vulnerabilities, ensuring a standardized and consistent approach to rating their impact and exploitability.• Served as the PIC for the internship team, providing direction, mentorship, and oversight to interns joining the penetration testing division.• Assist marketing and sales team in presenting red team products & services, and scope of works.

• Chief of Community of Practice in Infosec & Cyber Security to support the digitization of Peruri Group employees, totaling more than 100 people.• Find and evaluate the international certification module and syllabus for the Community of Practice Workshop.• Research blockchain for Peruri's future business.• Person In Charge for Peruri EC-Council Accredited Training Center (ATC) and CSCU Trainers for Peruri ATC.

• Taught practicum contained 3 - 6 practicum students per shift. With a total of 5 shifts in 1 week.• Evaluating and updating learning modules related to cryptography, to be adapted to existing trends. Also, assist in evaluating and updating others learning modules, like Man in the Middle, SQL Injection, etc.• Install and set up Virtual Private Server with LAMP Stack, directory security, secure phpMyAdmin log-in site. To support practical activities in carrying out the practice.• Mentor for a Research Group program.

• Explored blockchain use cases extensively, delving into real-world applications and proposing innovative solutions.• Developed decentralized applications (DApps) on the Ethereum blockchain, using Solidity for smart contract creation.• Research using the Truffle framework for a robust development environment, deploying applications on local and public test networks.• Contributed to lecture projects through hands-on black box testing, contributing to project refinement.

•Diagnosing computer hardware problems.•Maintenance and service of computers, laptops, printers, and networks.•Prepare computer equipment for work in the field.