Taejun Yun Email & Phone Number

대한민국 서울

- Perform security tasks with dual assignments to both the Korea security team (60%) and the Global Headquarters security team (40%).- Lead ISMS efforts by overseeing and coordinating with both global headquarters and local teams to prepare for, respond to, and implement follow-up GAP remediation actions for critical services, including global online shopping platforms. Conducted on-site audits at the global headquarters in Japan in 2024.- Conduct security reviews and evaluations for the introduction of new services, solutions, and development projects within Korea.- Operate security solutions and manage SOC-related tasks as part of the Global Headquarters security team, ensuring prompt response to security incidents and request.- Implement antivirus solutions and enforce essential security policies across over 10,000 mobile devices within the global group.

대한민국 서울

• Managed AWS Infrastructure for HR Systems. (HR, E-Approval, Recruiting and so on)• Managed KR HQ & Stores(150 Branches) network (LAN, WLAN) and have a experience of retail network.• Handled incident and problem based on the ServiceNow & JIRA platform.• Coordinated actions of global HQ team, provider and vendors.• Involved ISMS (Information Security Management System) 2 times and remediate gaps of Network & Infra.• Developed Python Script using Meraki API for network automation and contributed to save 204 actual working hours a year.• Developed 2 RPA project (UiPath) and contributed to save 730 actual working hours a year for E-Commerce team.

▶ Network project and maintenance• Member of global network infrastructure service team (Virtual Team) in Schaeffler Group.• Be responsible for managing network infrastructure in Asia-Pacific.• Supported the network operation tasks for the legal entities of Asia-Pacific Region with the local IT administrator.• Coordinated actions of local IT administrators, provider and vendors.• Supported procurement, installation, configuration and administration of network components for Asia-Pacific region.• Supported cloud project for Azure connectivity between legal entity in Singapore and Azure data center.• Handled incident ticket and problem for network issues of WAN, LAN and WLAN.• Monitored and analyzed network errors and performance issue using network management tools. (Nagios, Isarflow)• Participated network specialist training for a month in Schaeffler HQ in Germany.

▶ VMware Virtualization Solution Maintenance (2017.07 ~ 2018.09)• Performed maintenance work for Server virtualization, VDI solution as filed engineer▶ Samsung WLAN Solution Projects (2016.08 ~ 2017.06)• Performed various WLAN projects 1) Samsung Electronics Factory 2 (SEVT) in Thai Nguyen, Vietnam (2017.05 - 2017.06) 2) Samsung Electronics Factory 1 (SEV) in Bac Ninh, Vietnam (2017.04 - 2017.05) 3) Samsung Display Factory in Bac Ninh, Vietnam (2017.01 - 2017.02) 4) Samsung Electronics Sales Corporation (SAVINA-S) in Ho Chi Minh, Vietnam (2016.11) 5) Samsung Electronics Factory 1, 2 in Gumi, Korea (2016.08 - 2016.11)• Had a lot of experience for huge factory environment and Improved skill for WLAN• Performed customer training and communication by speaking English▶ Samsung semiconductor factory automation network maintenance (2015.03 ~ 2016.07)• Devised new work process since team was organized newly. • Contributed to stabilizing network and work process in the mission critical environment.• Supported trouble shooting rapidly for semiconductor factory.▶ KB Financial Group IPT project (2014.01 ~ 2015.02)• Participated building up a network of data center and head quarter. • Planned building up schedule and process for 1200 branches. • Directed 17 partner companies and led work process for building up branches network.• Contributed to finish project within a limited period without risk. • Be selected as outstanding staff from client.

Master Of Science In Security Studies, Industrial Convergence Security, Future Cso Specialization

학사, 전자공학, Gpa 4.2 / 4.5