1. Server:- Managing all Physical, VMware ESXi, V-Center server based on W2K8 & 2K16, 2019 Platform- Controlling the DC, AD, DNS, DHCP, OU, GPO, File serve server- Installing & configuring all new server for application, Connect & permit data for production line- Monitoring the whole system to ensure daily business stability and report- Data base server( SQL 20016, Oracle...)2. Network & Firewall:- Configuring all network system devices as required( LAN Infra, Switching, routing, ACL, AP, NAT, VPN, Security...)- Managing production Network MES and Access Point Security- Monitoring the internet network operation with ISP & External connect to HQ smoothly- Controlling FW system( Fortinet, Palo Alto,WAF)- Establishing all security policy, regulation to comply the company security required- Controlling NAC, All security system such as Websense, Nesuss, Acunetix, netwrix...3. Storage & Backup system:- Controlling Backup system and setup the rule for data retention, backup, restore requirement based on Veritas application( NBU, BKEXEC)- Managing the Storage system( HPE, DELL, HITACHI), SAN, NAS, CIFS and NFS configuration- Controlling all data store, DR store data, and planning to ensure storage system always match requirement4. Other duties:- Assisting Manager about planning job, consult of IT system, Action Plan, KPI following..- Improving all IT system report to comply with IT Strategies & regulation by HQ- Reporting to Manager all IT system operation status, trouble weekly, monthly, and yearly action plan- Troubleshoot & helpdesk IT system for end Users- Co-operate with Security Team to control and follow-up Security system