• Led the Infrastructure & System team, responsible for project deployment and system/network operation, including site network implementation for both internal R&D and public-facing systems, ensuring compliance and vulnerability management to US industry standards.

• Collaborated on HQ and NAHQ-driven projects with US vendors and other Samsung subsidiaries in North America.

• Engaged in platform-based projects like E-Commerce, R&D (Mobile devices, 5G network devices lab), and Big Data (Hadoop), providing operational and development support with validation and verification.

• Conducted quarterly security audits on internal and external systems in the DMZ.

• Managed Samsung Electronics in the American Datacenter located in Dallas.

• Oversaw the design and operation of WAN, LAN, and WIFI in new, renovated, expanded, or relocated remote sites, warehouses, and manufacturing lines.

• Supported and led teams for Packing Execution Systems and Manufacturing Execution Systems.

• Managed IT vendor relationships for hardware and software in the US and Korea.

• Reported to CFO and Finance Management for asset management and operational proposals.

• Architected, organized, and managed the Dev-Ops Team to optimize resource utilization in terms of headcount, system, network, and infrastructure.

• Evaluated and validated cloud solutions for Private and Hybrid Cloud environments based on customer requests and VOCs.

• Actively involved in creating and managing vCenter, reviewing and verifying serverless VM appliances for compliance with Samsung Security Standards.

• Collaborated with Samsung Subsidiaries and Affiliates in North America to consolidate infrastructures with planned and scheduled migrations.

• Designed and managed 20 remote sites, overseeing network, system, and infrastructure with a team of 70 members.

• Managed corporate environments with 600 Microsoft Windows/Exchange, IE, MSSQL, Sharepoint, Lync, etc.

• Managed the development/test environment with 300 Unix/Linux servers for bug tracking, source control, build, and image management servers.

• Oversaw the infrastructure, including VMware environment, NetApp, Compellent, Commvault, and NetBackup DR-ready environment.

• Managed the network team for corporate LAN and WIFI, including backbone and internet services, Checkpoint, Palo Alto Networks, Websense, TippingPoint, and Samsung HQ branded tools.

• Managed the EDI team responsible for mobile device shipping and warehouse management.

• Managed the PES/MES team, handling code development and the maintenance of mobile pallets with SAP systems and refurbished production line management.

• Led an extended scrum team to automate the current sprint and maintain an automated regression suite for daily runs.

• Designed and created automation scripts for the Dell management plugin responsible for managing and deploying VMware ESX and ESXi on 10, 11, and 12G PowerEdge server rack mounts and blades.

• Implemented an automation environment and maintained the harness on vCenter, ESX, ESXi hosts, and Dell plugins.

• Developed Powershell, Ranorex (C#), bash, and expect scripts for the Dell management plugin and VMware ESX and ESXi servers.

• Conducted initial validation on new official RTW (Release to World) and RTQA (Release to QA) builds.

• Designed and executed regression, performance, exploratory, and scalability test cases based on agile and waterfall methodologies.

• Validated and verified all required features from the hardware firmware level to Dell management tools, including iDRAC, OMSA, BIOS, and Lifecycle controller on Dell PowerEdge servers.

• Implemented helper tools, appliances, and documentation for appliances.

• Designed and maintained physical and virtual machines in the QA infrastructure lab.

• Validated HP Superdome 2 blade system virtual machines on Unix/Windows/RedHat, executing regression test cases for hardware and software.

• Validated and verified features on the firmware level, including driver, xfm, gspm, IO, Blade, and OS level on HPUX 11i v3, v4, RedHat Linux 6, and Windows Server platforms.

• Developed expect and Tcl scripts for automation.

• Conducted regression, pairwise, feature, stress, and performance testing based on hardware and software parameters.