Manage and maintain the overall IT infrastructure including servers, virtualization SW, OS and Databases with following tasks: System monitoring: Receive and process alarms arising on the system, always ensure stable operation of the system (including out of office hours) System change management: Make changes required by customer and application team System configuration management: Update and manage configuration for devices on CMDB, ensuring data always accurate compared to reality Incident and problem management: Participate in handling when problems arise (24/7) System capacity and performance management: Manage system performance (CPU, Mem, Disk), always ensure that the system does not exceed KPI Backup Management: Review server backup and redundancy. Ensure the system is always backed up daily, minimizing the risk of data loss Security: Ensure information security according to the standards of Samsung corporation Others: Availability and continuity, service level management, migration, Technical supportUniversity degree (Major: Information Technology, Electronics and Telecommunications or related fields) Technical background in: Databases, Web service, servers, networking knowledge Minimum of 3 years of experience about Linux Operating System (update kernel, package and process management, LVM, performance checking, system log, etc..) Minimum of 2 years of experience about Windows Server (update patch, event viewer, IIS, disk management, troubleshooting, performance checking), Have knowledge about AWS / Azure Have knowledge about Security on Public Cloud (AWS, Azure) Experience working with processes at large organizations. Teamwork spirit in an international working environment. NICE TO HAVE: Fluency in English (oral and written) - highly preferredSALARY, INSURANCE Salary negotiable 100% salary during 2-month probation Full-salary insurance starting right from probation period Premium Health Insurance package 3 times to receive bonus Health check once per year TRAINING & DEVELOPMENT: Annual Budget for personal training & Udemy Account Oversea training opportunities OTHER BENEFITS: Numerous internal activities: team bonding, team training,... Gifts for each employee on 30/4,1/5; 2/9....(in cash) Bonus for employee having having English or Korean certificates or Software Test certificate Flexible check in time