• Maintained and constructed IT Security Solutions with outstanding customer services• Actively managed and monitored IT System Security for structured and unstructured data for finance, healthcare, and education industries• Researched and organized marketing materials for technical introductions1. CipherTrust Manager Engineer (Infrastructure Security) - Thales• AIX-GPFS file system encryption, AIX/RHEL/Windows kernel encryption, Application Data Protection2. FireEye EX Engineer (Email Security) - Trelix• Maintenance of Email Security, Central Management- Related Areas: Analysing Mail Server Communication Security, Malicious Mail, and APT Attack Types3. Enterprise Recon Engineer (Privacy Detection) - Ground Labs• Detect and process structured/unstructured personal and sensitive information4. Vormetic Engineer (structured/unstructured encryption) - Vormetic, Thales• Maintenance of structured/unstructured kernel encryption for financial, educational, and manufacturing customers• AIX/RHEL/Windows kernel encryption, Oracle TDE Wallet key separation storage, encryption-related ISMS review and audit response

KAIT - National Archives of Korea• Provided improvement of record management standards for Office for Government Policy Coordination

Ian System – Korea Forestry Promotion Institute (Software Integration Business department)• Build a Chatbot for Korea Forestry Promotion Institute (KOFPI)

Ian System – Ministry of Patriots and Veterans Affairs (Software Integration Business department)• Web page Tester for Ministry of Patriots and Veterans Affairs (MPVA)