As the COO, day-to-day responsibilities included corporate strategy and planning, human resources and finance.Discovering new business opportunities based on realtime big data analysis platformTechnology document writing- Common criteria documents- Software Manuals- Patent application documentsBig Data Project Managing- Realtime sensor data aggregation & analysis platform for greenhouses, widespread in South Korea(Jan, 2015 - Jun, 2015)

Worked as head security manager of 4 KEPCO smart grid consortiums at Jeju- Security infrastructure planning and auditing• Smart Place : Energy Management System for Buildings• Smart Transportation : Electric car recharging infrastructure • Smart Power Grid : Intelligent sensors for Power line towers• Smart Renewable

Wrote various kind of technology documents- common criteria documents for network security appliances - manual for network security appliances- Patent application document• method and system for archiving and querying semi-structured log(Reg. no : 10-1375408)Translated technology documents for ISAC(Information Sharing and Analysis Centre)- Zero-day exploit- Oracle/Microsoft/Adobe Product related security issue- Security related documents• Fast-Flux domain… Show more Wrote various kind of technology documents- common criteria documents for network security appliances - manual for network security appliances- Patent application document• method and system for archiving and querying semi-structured log(Reg. no : 10-1375408)Translated technology documents for ISAC(Information Sharing and Analysis Centre)- Zero-day exploit- Oracle/Microsoft/Adobe Product related security issue- Security related documents• Fast-Flux domain detection Show less

As the COO, day-to-day responsibilities included corporate strategy and planning, human resources and financeWrote technology documents- Software manual- Patent application document• Indexing method of log(Reg. no : 10-1112568)Translated technology documents for ISAC(Information Sharing and Analysis Centre)- Zero-day exploit- Oracle/Microsoft/Adobe Product related security issue- Security related documents• Network DDoS Incident Response Cheat… Show more As the COO, day-to-day responsibilities included corporate strategy and planning, human resources and financeWrote technology documents- Software manual- Patent application document• Indexing method of log(Reg. no : 10-1112568)Translated technology documents for ISAC(Information Sharing and Analysis Centre)- Zero-day exploit- Oracle/Microsoft/Adobe Product related security issue- Security related documents• Network DDoS Incident Response Cheat Sheet• Guidelines on Firewalls and Firewall Policy • Security Incident Survey Cheat Sheet for Server Administrators• Initial Security Incident Questionnaire for Responders Show less

Worked as head system engineer of web service, wzd.com- Web service infrastructure planning and operating

Junior linux server engineer