Manage IT Infrastructure for all Rochdale Spears Group (Viet Nam/ Hong Kong/ United States) Rochdale Spears Group has an IT Head Office in Viet Namo Overall IT Infrastructure for all Rochdale Spears Group sites (included Hong Kong office, 3 Plants in Viet Nam, Some Office/ Showroom/Warehouse in Hong Kong, United State, United Kingdom)o IT Infrastructure Securityo Telephonyo Office 365o VPN/ remote connectivityo IT Infrastructure Monitoring Management and Documentationo IT Infrastructure Project Managemento Datacenter Network Managemento IT asset tracking and management Best practice: Did IT audit and recommendation for three plants and one Datacenter in the first month join the company Remote to Re-Engineer Hong Kong head office network to align with Microsoft Cloud PBX – included re-design and re-configure; On-site to build IT infrastructure at Hong Kong office and International Furniture Fair Singapore; Design and implement Horizon plaza store in Hong Kong with Dell switch and Ruckus wifi system; Implement Zabbix to monitor all network and system device at Rochdale Spears Viet Nam plants and Hong Kong office on one server; Implement QoS and policy all Peplink load balance to optimize the network bandwidth; Implement Microsoft DFS to all three plants to reduce network traffic between Plants and between Plants to Datacenters; Coordinate and work with U.S.A vendor to upgrade U.S.A office and showroom; Coordinate to make a budget for Y2018; Migrated Sharepoint On-Premise to Sharepoint 365; Plan and supervise the Viet Nam plant/office renovation project – moving from plant 4 to plant 2 and 1 (over 300 nodes) for the IT infrastructure.

• Overall IT Network Infrastructure for all Vietnam Big C sites (included Head Office, over 40 stores and 2 Datacenters – using Cisco Nexus 9505, Cisco Catalyst, CheckPoint, Fortigate, ASA, BlueCoat, F5, Cisco Aironet…)• Network Infrastructure Security• Voice, telephony, video conferencing• VPN/ remote connectivity• Network Monitoring Management and Documentation• Network Infrastructure Project Management• Datacenter Network Management• IT asset tracking and management Best practice: Coordinate to plan and implement a new Big C Âu Cơ store; Coordinate with vendor to implement Internal ASA 5585-X firewall for two Data Centers; Implement VPN backup from Datacenters to stores by using mobile 3G VPN; Optimize MPLS to guarantee bandwidth for Big C supermarket network applications; Sizing and replacing cables, switches, outlets on the basement and ground floor at Big C Gò Vấp (over 80 nodes); Rebuilding& Integrating Lan Chi supermarket IT network& system to Big C Viet Nam;

• Consult, deploy and maintain new services and servers;• Configure, monitor and maintain high quality: Virtualization with VMware ESXi 5.1: 3 IBM Physicals Server + IBM SAN, vSphere, Hyper-V. Windows server: Five Windows 2008R2 Server (2 Active directory, 1 Mdaemon email, 1 Ms Dynamics CRM, 1 LemonTree-Accounting server) and two Windows2003 server. Email: Mail Mdaemon, and PineApp gateway and anti-spam Google Apps Business Firewall: Two Cyberoam Firewalls Service: Active directory, Ms Dynamics CRM, LemonTree-Accounting server, Hyper-V, sharepoint service, Calendar WorkgroupShare, VPN, private BMW Software server system (ISIS, AP2000, RDA) Storage: One IBM SAN and one NAS storage Internet-Intranet: Maintain high quality internet connection - WAN (2 FTTH,1 ADSL), 1 MPLS to BMW Ha Noi 4S, two Cisco router, LAN (HP, Cisco, Nortel, TrendNet switch); TCP/IP administration and trouble-shooting, wireless network management, support for Hồ Chí Minh, Hà Nội branch and some showrooms; Manage PBX: Panasonic, Siemens analog local phone system;• Backup systems and data to tape and hard disk: SQL 2008/2005 database, DCs, E-mail, File server - use IBM Tape - Symantec Backup Exec 2010 R2 and Windows Server Backup;• IT equipment purchasing;• Researching, offering new methodologies, policies, technologies in improving system efficiency and scalability;• IT Helpdesk (200 PCs): support to end-users in 2 head offices (Ho Chi Minh & Ha Noi), and2 showrooms in different location (Printers, photos, scans, fax, laptops, pcs).

• Over 1000 Users for all of SPT branches in Vietnam.• Design a new system and customize old system information of SPT: 2 router cisco(2600), 11 switches cisco (4948, 3560, 2950), 12 Servers (6 HP Proliant DL360G5, 3SuperMicro Servers, 1 Dell server, 2 IBM towers), phone and PBX system;• Network Infrastructure Management: LAN: DHCP, TCP/IP administration and trouble-shooting, wireless network management- 6 3650 Cisco Switch, 2 4948 cisco switch, 2 cisco router; WAN: 4 ADSL, 2 FTTHs, 1 Draytek load balancing, and Network server (Zabbix, CiscoWorks LMS), Security systems: 2 Fortinet firewall (310B, 100A);• System management: 12 servers include Application server such as Apache server, Active Directory, WSUS, ESXi, SQL Database, E-mail (Zimbra mail), eDocman, DNS, File, FTP, Web servers;• IP-PBX (VOIP): Monitor, management Cisco IP-PBX system, Cisco Call Manager Express with 25 Ip-phone;• Backup system: SQL database, DCs, E-mail, File server;• Researching, offering, designing, planning and implementing new methodologies, policies, technologies to improve system efficiency and scalability;• Researching and installing new services on the corporate network. For example, I researched, installed and configured FTP server on Redhat Enterprise Linux and authentication via Microsoft Windows server 2008 Active Directory, Linux web service, building Video conferencing with BigBlueButton system;• Teach to some new officers of the company and supporting SPT's branches about IT;• Manage and assign tasks to any member of Network Infrastructure team (3 members);

• Consult and implement IT projects for government offices in HCM City;• Provide advices and guidelines on purchasing hardware and software for local departments and agencies;• Manage local MetroNet network (MPLS) in Ho Chi Minh City.