Loc Nguyen

adbwsi@r.postjobfree.com - 972-***-****

Seeking a position in IT field where I can apply my skills, and enhance my knowledge.

WORK EXPERIENCE

Sr Microsoft Administrator, Solomon Associates, Dallas, TX

2019-05 – present

Perform Windows 2012, Windows 20016 server administration.

Provide Microsoft support for three sites Calgary, Houston, and Dallas.

Consolidate VM servers onto clustered hosts and decommissioned old servers.

Migrate AD FSMO roles to the new servers.

Change the existing subnet to new subnet.

Perform MS SQL server maintenance.

Schedule Database server backup.

Restore / roll back databases.

Rebuild the database index.

Trouble shooting database issues. Create database profiler to capture activities on the databases.

Manage the database user/group permissions.

Trouble shooting networking issues on the Cisco routers, switches and firewall.

Manage IIS servers.

Pushing code to IIS servers. Trouble shoot issue with web sites.

Review and fine tune IIS servers to improve sites performance.

Review and modify IIS setting to improve sites security.

Assist with users support.

Manage and fine tune Microsoft Exchange server / mailboxes.

Manage DC, GPO, OU, DNS, DFS, File permissions

Manage VoIP, video conference system (zoom, Webex...)

Setup new user profiles.

Manage onsite server backup using Quest backup software.

Manage the enterprise printing servers.

Manage Hyper-V hosts and VMWare ESXi.

Manage Solarwind server and resolve all alerts.

Manage Cisco routers, Cisco Firepower, Cisco switches, Cisco wireless access point.

Automate system maintenance tasks using Powershell, VBScript, VB.Net

Review the current environments and propose the newly improved architect.

Enterprise Production Application Support/Team Lead, Amerisource Bergen, Frisco, Texas - 2013-10 – 2019-05

Lead and provide team members with directions and technical support.

Setup, configure, and manage IIS servers Create new websites, and migrate existing sites to new servers Resolve web services issues.

Setup and configure sites, web services through the NetScaler Review and recommend servers' resources changes.

Analyze, and trouble shoot application errors, Database connection error Create documents to gather information for new websites.

Create procedure for building, and moving websites.

Trouble shoot network problems such as routing issues, firewall rules errors, performance issue.

Trouble shoot AD problems such as external and internal DNS, GOP, Authenticating issue, Domain Controller error.

IT Manager, Signazon.com - Dallas, TX - 2012-08 - 2013-08

Responsible for the entire IT operation.

Manage and provide guidance, technical support to team members.

Configure and manage Cisco ASA 5505, Cisco switches, ELFIQ link balancer, Barracuda load balancer, Dell switches.

Configure and manage DNS, DHCP, FTP, AD, TCP/IP, UDP, SNMP, IIS, Hyper-V, File services.

Configure and manage Microsoft Windows 2003,2008 R2, and 2012 servers.

Responsible for IT planning, and fore casting of IT growth.

Build Exchange 2010 -2013 servers and migrate Exchange 2010 mailboxes database to the new server.

Create and manage users' mailboxes, restore mailboxes, and trouble-shooting Exchange server issue.

Install, configure and govern the company SharePoint. Perform fine-tune on all servers.

Perform servers' update and workstations' update through Kaspersky management tool.

Create, link, enforce group policies.

Create firewall rules, setup CISCO VPN, and manage certificates.

Configure and manage ELFIQ link balancer, and the Barracuda load balancer.

Manage VoIP PBX phone server.

Order supplies, and keep track of inventory.

Design and implement backup solution using StorageCraft software.

Design and implement anti-virus software solution using Kaspersky.

Research and design the expansion solution to cope with the business growth.

Production Analyst Supervisor, Insurance Information Exchange - Bryan, TX 2011-07/2012-06

Manage Production Analyst group Review and monitor projects assignments of the System Engineers.

Allocate resources and provide technical guidance for the System Engineers.

Perform annual review of the team members.

Perform VMWare ESXi 5.0, VSphere administration, Windows 2008 R2/2003 Servers administration.

Manage HP servers (DL 360/380/580), HP SAN (4000, 4400) and Cisco fabrics(fiber switches ).

Manage CISCO ASA 5510, CISCO Netflow, Juniper (SSG5, NS50) routers, Frame Relay routers, F5 Big IP.

Manage SFTP, VPN, DNS, TCP/IP, DHCP, AD, SNA, IPSec. Manage Tomcat servers, IIS servers.

Resolve networking problems, and Software errors.

Analyze packet data capture and work with customers, vendors to resolve connectivity issue.

Response for disaster recovery, backup and restore files, data.

Perform security scan, software patching, hardware and software upgrade.

Work with vendors to resolve any IT related issue.

Configure and manage VMWare, VCenter operation, Avaya VM virtual switch.

Create new LUN, extend disk space for existing LUN.

Add, remove, replace failed drives on HP SAN.

Replicate, and restore VM severs.

Perform servers backup using CommVault.

Manually clean up snapshot files when VMWare failed.

Enable advance feature in vRanger, and resolve vRanger errors.

Monitor the network infrastructure and servers using various software and devices such Whatsup Gold, SolarWind, Spunk.

Trouble shooting and resolve DNS errors.

Create and manage user accounts in AD. Manage group policy objects.

Senior Network Administrator, Port Logistics Group - Houston, TX - 2010-07 - 2011-07

Manage the IBM Power 7. Manage and support NetIQ product.

Manage HMC, LPAR, iTera HA, EDI.

Configure and trouble shoot Power 7 system errors.

Perform network administration.

Monitor network performance using Orien.

Resolve complex networking errors such as TCP/IP, DNS, DHCP, GPO, VPN.

Make recommendation of hardware upgrade and network security.

Provide support to end users, and other IT group.

Perform system update, backup, restored and rebuild. Installed and configure new software.

Provide cost analysis on hardware and software upgrade. Install and configure SCCM.

Configure Data Protection Manager to provide continuous data protection for Exchange and file servers.

System Engingeer /Project Team Lead, Germania Insurance - Brenham, TX - 2008-11 - 2010-06

Research and implement Citrix environment to be utilized by field Adjusters.

Perform SAN, VMware ESX, vSphere administration.

Responsible for performance monitoring, tuning, and capacity planning.

Plan operating systems upgrade and patch management strategy.

Support i5 communication (TCPIP, DDM, Opticonnect) between systems.

Install hardware and computer equipments associated with i5 systems.

Support i5 high availability strategy.

Assist Systems Operations staff in troubleshooting and resolving i5 technical issues.

Review system logs for issues or need for corrective action.

Create procedures for starting and stopping of systems and services on i5 systems.

Assist in developing documentation of all system operational activities.

Perform system job scheduling using advanced system job scheduler.

Make suggestions to manager to improve operational process flow to provide better customer service.

Coordinate and provides ongoing technology training to other department staff.

Assist in planning technical aspects of yearly disaster recovery tests. Manage HP servers, EMC SAN.

Participate in planning overall departmental strategies and initiatives.

Perform Microsoft Windows Server 2003/2008 administration.

Update Linux Redhat servers, VMware, Jboss servers, Websphere servers.

Assist in development and evaluation of new technologies.

Design and implement RSA second form factor for authentication along with AD.

Perform Microsoft Windows Server administration.

Setup and administer SCOM.

Resolve complex Windows Servers and Workstation errors.

Provide technical support to helpdesk staffs and team members.

Analyze and resolve WAN, LAN errors.

Monitor performance of Microsoft Windows Servers and Linux Servers.

Install and configure new servers.

Replace failed hardware and resolve any error on the servers.

Assist in application testing.

Plan, install, configure, and manage Websphere, JBOSS, ILOG JRules servers.

Manage group policy objects. Create and manage user accounts.

Create new LUN, extend disk space for existing LUN.

Replace failed drives on the EMC arrays.

Perform servers backup using Norton Backup software

Continue to research and implement new technologies that benefit the company.

Senior Network Engineer/AS400 Administrator, Texstars Inc - 2007-05 - 2008-10

Responsible for the business continuity. Monitor systems performance and fine-tune. Down load and apply PTF. Create user account. Perform AS/400 system administration. Resolve any error on the AS/400 (I5) machines. Monitor system replication. Provide support for BPCS software. Review RPG source code and resolve application issues.

Review log and security audit. Perform system backup and recovery. Replace hardware, and add additional space to the system. Provide Microsoft Servers administration. Provide Microsoft Exchange 2003 server administration. Create user accounts and manage group policy objects. Resolve DNS errors. Setup and administer the BlackBerry server. Setup and administer Live Size Video Conference. Configure DNS, DHCP, SMTP, VPN, TCP/IP. Maintain and resolve any problems with the NBX VoIP phone server. Provide end user support Perform backup and recovery. Design, test, and implement firewall fail over. Setup load balancing. Setup Windows server, SQL servers, File servers. Configure and monitor Barracuda server. Setup and configure Dell servers. Install configure and manage Microsoft SQL server. Develop disaster recovery procedure.

Dell Contractor, Synova Consulting Firm - 2006-11 - 2007-03

Investigate and resolve Microsoft Exchange Servers' issues. Perform load balancing Move user's accounts to different regions/sites Response to NetIQ, MOM alert messages Trouble - shoot TCP/IP, SMTP, DNS, Outlook, and Outlook Web Access Mount/dismount data storage Communicate problems with Management Team Monitor Exchange backup Handle escalated issues from Tier I and Tier II Helpdesk Install and configure HBA cards in SAN servers Work with Opt team to pilot the Global Support Center Document, flowchart, develop Operation processes and tasks Perform Exchange administration, and trouble-shoot mobile messaging such as Goodlink, BlackBerry, Active Sync Trouble - shoot Live Communication Server, Genifax Server, and Ironport Server.

Hardware Testing Engineer, IBM - 2006-06 - 2006-08

Contractor Lead the team of CE Successfully complete all projects before due date Provide guidance and support for team member Responsible for the AS/400 iSeries lab consist of model 810,820, 520, 540, 540+ Install and configure OS/400 V5R3, V5R4, HMC Make sure the OS has the latest PTF Setup LPAR, Raid 5, Raid 6, Mirror, Remote Mirror, unprotected

Perform diagnoses using HMC, HSM, ASM, SAL, PAL Configure TCP/IP, FTP, VLAN, Telnet Repair and replace part on the AS/400 Perform hardware testing Provide guidance and support for team member Perform the IBM MQ servers administrations.

System Administrator, LT Travel Agency - 2005-08 - 2006-06

Provide administration and support on Microsoft Windows Server 2000/2003, Microsoft Windows 2000/XP.

Setup and support LAN, DC, DNS, DHCP, FTP, TCP/IP, Subnet, Gateway.

Install and configure airline software system such as Sabre, WoldSpan.

Resolve issues with Sabre and WoldSpan software.

Train and assist in network printing, Access database, Excel, Word. Build and repair PC, Laptop, and Server.

Analyze, design, code and support programs written in Visual Basic /.Net, ASP, HTML.

PC/AS400 Support Technician, Affirmative Insurance - 1990-03 - 2005-08

A single contact point for all AS/400 issues (model 820,870,170)

Install the OS/400 V5R0 from scratch Apply PTF, and upgrade the OS/400 on 820, 870, 170 machines.

Perform system fine-tune Set the system value to meet the standard industry.

Monitor the system storage and recommend change according to the company growth.

Monitor the entire system for any hardware or software problem and take the corrective action.

Replaced and upgrade the system hardware such as controller cards, DASD, modem, backup tape drive, and the battery on the memory card.

Configure TCP/IP, SMTP, SNAD, SAN, Veritas Data Storage, printer, communication line.

Perform system administration and responsible for all AS/400 system disaster and recovery.

Perform security audit, create user profiles and set object rights.

Perform system backup and restore files for users.

Develop the disaster and recovery procedure Support both internal and external users on the AS/400.

Identify and resolve any error from the nightly batch programs.

Develop and implement backup programs in which the backup jobs will notify the on-call person via the cell phone if an error occurs.

Define queries and generate reports.

Install third party software on the AS/400.

Perform system administration on the IBM MQ servers such as testing the Message Queue.

Create queue mangers, start queue manager, start TCP/IP for MQ listener, setup the client side.

PC Build, upgrade, and repair pc and laptop for internal users.

Install and trouble shoot Microsoft Windows, Microsoft Office, Peach Tree, Citrix, Client Access for AS/400, MAS500, SAP, Interactive Intelligent phone client, and other various software.

Support internal and remote users with any problem

Network Trouble - shoot TCP/IP, DNS, DHCP, SMTP, Telnet, FTP, and IIS.

Monitor and resolve issues with LAN, WAN Perform Servers backup.

Trouble-shoot Exchange Server/Client issues.

Resolve escalated issues from Tier I Assist business partners with remote connection, data transferring, accessing web pages Perform disaster and recovery test.

Citizen: US citizen

EDUCATION

Bachelor in Computer Science University of North Texas 2002 - 2006

Computer Science Tarrant County College 1998 - 2000

Computer Programming and Operation Career Development Institute 1991 - 1992

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