SUMMARY:

• 18 years of experience working in the IT field with multi - platform infrastructure.
• Reliable and dedicated senior level IT support professional with excellent analytical and customer service skills. Ability to work in changing environment while maintaining a high level of quality and productivity.
• Install, configure and maintain Windows 2012 R2/Windows 2008 R2 Active directory, Mac OS X, Windows 7/8/10.
• Experienced in upgrade/migrate Windows 2008 R2 to Windows 2012 R2 Active Directory.
• Troubleshoot problems at both hardware and network level.
• Experience with Juniper SSL VPN, Cisco Routers, PIX, switches, VLAN and IOS.
• Skilled in repairing and upgrading server/desktop systems. (HP, Dell, and Mac OS X)
• Knowledgeable in PowerShell, VBscript and WMI script.
• Experience in supporting Server and Desktop virtualization solutions with VMware ESXi/vSphere, Hyper-V and Citrix Xenapp/XenDesktop 6.0/7.5. Microsoft Sharepoint Portal server, Red Hat Linux, MS/Cisco VPN, RADIUS, IPSec, SystemsHP OpenView, HP Desktop Administrator, HP ITO, HP OmniBack, SCCM, WSUS, Exchange 2000/2003/2007/2010 , EMC Data Domain storage systems, Networker backup, Symantec Netbackup, Scriptlogic, Exceed Hummingbird, MS Visual studio, IIS6/7/8, Weblogic, Web inspector, SQL Server 2008/2012, Oracle RightNow, Crystal Report, Microsoft Office, Saleslogix, Outlook,Visio, HP Jet/Web Admin, Track-it and Backupexec etc.
• Experience in supporting HP ProLiant Servers, Dell PowerEdge Servers, workstations and Hardware RAID.
• Excellent communication skills and customer service.

EMPLOYMENT HISTORY:

Systems Administrator

Confidential, Santa Clara, CA

Responsibilities:

• Deploy, support and maintain Windows 2008 R2/2012 R2 Active Directory servers, GPO, IIS, DNS, DHCP, Windows Remote Desktop Services, Citrix Web Interface/Xenapp/Xendesktop 6.0/7.5 farm servers across multiple sites.
• Support and maintain Virtualization environment using VMware ESXi/vSphere 5.5, Hyper-V and application virtualization for VDI project. Support and maintain Mac OS X server/client, Juniper SSL VPN devices, Cisco VPN, EMC Networker backup software, Symantec Netbackup, Intermapper network monitoring & mapping software, Symantec Endpoint Solution server, Manage WSUS for Windows servers and desktops.
• Support internal users, developers and remote sales in multiple countries.
• Create on-line documentation for Servers hardware and software configuration, processes, function, patches and hotfixes for Confidential internal auditing and PCI compliance.
• Working with software developers and engineers to provide best practices for different solution.

Senior Systems Administrator

Confidential, Hayward, CA

Responsibilities:

• Perform systems and network administration.
• Support internal and remote users.
• Work on different IT projects.
• Support and maintain NT4.0/Windows 2000 Active directory/Replication/Organization Units and remote office in Florida, Red Hat Linux, Citrix Metaframe XP and Nfuse, NAS, Mitel telephone systems, Exchange 5.5, IFS ERP software, Saleslogix, Macintosh, ERP software running w/Oracle 8i, Crystal report, IIS5, SQL 7/2000, Microsoft sharepoint portal for Intranet and document control, Polycom Video conferencing over IP, Support and maintain Cisco 2600 series routers and Cisco Pix firewall.
• Perform enterprise backup for headquarter and branch offices with Backupexec 8.6.

Senior Systems Engineer

Confidential, SF, CA

Responsibilities:

• Perform network administration.
• Install, setup and maintain NT 4.0/2000/Novell 4.11 servers (100+ Servers), Active directory, DNS, DHCP, IIS, SQL 7.0, Exchange 5.5, Exchange 2000, Site Server 3.0 at Data Center.
• Citrix servers farm administration.
• Remote monitor and troubleshoot servers from Head quarter to Data center with HP ITO using VPN.
• Implementing backup procedure and schedule with HP Omniback II.

Senior Systems Administrator

Confidential, Burlingame, CA

Responsibilities:

• Maintaining and supporting LAN environment, Including NT Domain administration, NT Servers/workstations and W98/95, Citrix Metaframe for Bay area remote users, Remote access VPN. Troubleshoot, upgrade and install Servers & workstations.
• Support internal users, programmers, and software developers.
• Support & Test different kind of software, Perform regular backup on NT servers & SQL database, Manage files & systems security, Develop new procedures to reduce the total cost of administration PC.
• Deploying, Implementing IIS4 & SQL7 for Online Timesheet Pro and Global Report Center for DHL Worldwide employee.
• Implementing & Upgrading HP OpenView Desktop Administrator.
• Implementing NT Terminal Server, Citrix Metaframe and NCD for Wincenter.
• Planning & testing to upgrade Windows 2000 Active directory.

Systems Administrator

Confidential, San Jose, CA

Responsibilities:

• Perform hardware & Software Y2K compliant check for desktop & laptop systems.
• Help desk support for Confidential users.
• Responsibilities include troubleshooting, install and upgrade for OS/2, Win95, WinNT, Lotus Notes, Smart suite, Netfinity, MSOffice97, and Netscape etc.
• Install E-Client business images for customer and Bios update if necessary.
• Setup appointment with customer and write report on every upgrade system.