SUMMARY:

Seeking a position as a Confidential senior virtualization administrator or with experience as a Linux and Windows System Administrator.

TECHNICAL SKILLS:

• Amazon Web Services(AWS)
• Operating System: Red Hat Linux, Confidential ESX/ESXi, Unix,Windows 2012/2008/2003 , Windows 7.
• Backup Softwares: Veritas Netbackup, Symantec Backup Exec.
• Cisco UCS Blade Server, Confidential Proliant Server, Confidential C - Class Blade Server.
• SAN, NAS, iSCSI, vSAN storage.
• CIFS & NFS file system
• BMC Remedy Enterprise ticketing system.
• Confidential vSphere PowerCLI
• Perl script
• Power Shell script.
• Windows batch file scripting.
• Built ESX and Vcenter servers and migrate to Data Center 3.0(virtual data center).
• Built, support and administer Confidential virtual server, used Confidential Converter to convert physical machines into virtual machines which are running on Confidential servers.
• Project involved migrate from Windows NT domain to Windows Active Directory.
• Project involved consolidate Windows multiple domain into single domain.
• Project involved create domain controller, organization unit, Group Policy Object, share and permission of object, tree, forest. Coordinate with department head to delegate control of Organization Units to secondary system administrator.
• Built and maintained Linux servers.

PROFESSIONAL EXPERIENCE:

Confidential, San Jose, CA

Principal system administrator

Environment: Confidential vSphere, Linux.

Responsibilities:

• Administer Confidential virtual infrastructure.
• Use Confidential vRealize Operation Manager to monitor the ESXi hosts and VMs performance.
• Wrote script to check all VMs snapshot and delete snapshot to reclaim disk space in datastores.

Confidential, Sunnyvale, CA

Principal system administrator

Environment: Confidential vSphere, Confidential VSAN, Confidential NSX, Confidential Horizon, Software Defined Data Center, Linux Server.

Responsibilities:

• Implement software defined networks using Confidential NSX.
• Built and maintained virtual infrastructure using Confidential vSphere.
• Administer Confidential virtual infrastructure.
• Used Confidential vCenter Operations Manager to implement capacity planning on resources usage and then documented the process.
• Wrote script to check all VMs snapshot and delete snapshot to reclaim disk space in data stores.
• Migrated ESXi host from standard switch to virtual distributed switch.
• Use Confidential vSphere Update Manager to secure the corporate virtual infrastructure.

Confidential, San Francisco, CA

Principal system administrator

Environment: Confidential vSphere, Confidential VSAN, Confidential NSX, Software Defined Data Center

Responsibilities:

• Built software defined data center(SDDC) using Confidential vSphere 6, VSAN 6 and NSX 6.
• On the VSAN cluster, configure solid state drives as cache and capacity storages to speed up performance.
• Used VSAN health check tool to check the VSAN performance during the stress test.

Confidential, Santa Clara, CA

Principal system administrator

Environment: Confidential vSphere and SRM(Site Recovery Manager), Windows Server, Linux Server.

Responsibilities:

• Administer Confidential virtual infrastructure.
• Built Confidential Site Recover Manager for disaster recover. Created SRM protection group and recovery plan so that the VM can successfully fail over to remote site.
• Used Confidential VSAN to implement software defined shared storage on cluster.
• Used Confidential converter to P2V physical servers.
• Used Confidential vCenter Operations Manager to implement capacity planning on resources usage and then documented the process.
• Wrote script to check all VMs snapshot and delete snapshot to reclaim disk space in datastores.
• Migrated ESXi host from standard switch to virtual distributed switch.
• Troubleshoot ESXi connectivity issue by restarting Management Agents.
• Implement VMs back up.
• Use Confidential vSphere Update Manager to secure the corporate virtual infrastructure.
• Built multipath iSCSI storage and connect to ESXi hosts.
• Evaluate and test Confidential vSphere 6.
• Gave proposal to team to make sure the virtual infrastructure will run more efficient and secure.
• Wrote script to check if the IT operations is SOX compliance.
• Built Linux and Windows VM and convert it to golden template for future deployment.
• Administered Windows active directory and Microsoft Exchange 2010 mail server.
• Successfully implemented project to remove Windows 2003 domain controllers and raised corporate active directory domain from Windows 2003 functional level to Windows 2008.
• Created Active Directory Recycled Bin to keep copy of deleted Active Directory objects.
• Created Windows GPO to implement corporate IT policy.

Confidential, Fremont, CA

Principal system administrator.

Environment: Confidential vSphere, Windows Server, Linux Server.

Responsibilities:

• Maintained, secured and administered Confidential vSphere 5.1 running in virtual infrastructure.
• Live migrated 100 VM from old Dell cluster running in old vCenter to new Confidential cluster running in new vCenter.
• Upgraded vCenter server from vSphere 4.1 to 5.1
• Use vSphere 5.1 to build a new cluster running in HA(High Availability) and DRS(Load Balance).
• Use Confidential P2V to convert physical servers into virtual.
• Built high availability Windows clustered file servers running on Windows Storage Server 2012.
• Once the project completed, document the whole process from start to finish on the Sharepoint server.
• Performed vCenter Server upgrade then documented the whole process, next mentored junior system administrator on how to support the new infrastructure.
• Migrated ESXi servers from standard switch to distributed switch to make it more secure and easy to manage.
• Used Confidential vCenter Operations Manager to implement capacity planning on resources usage and then documented the process.
• Wrote script to check all VMs snapshot and delete snapshot to reclaim disk space in datastores.
• Use Confidential vSphere Update Manager to secure the corporate virtual infrastructure.
• Be proactive, gave proposal to team to make sure the virtual infrastructure will run more efficient and secure.

Confidential, Palo Alto, CA

Senior system administrator.

Environment: vSphere.

Responsibilities:

• Used Confidential Site Recovery Manager(SRM) to implement disaster recovery project by storage vmotion VM to EMC vplex LUN. Then test the failover across two sites.
• Use Men and Mice DNS Management Tools to administer corporate DNS.
• Use Helpzilla ticket system to resolve client IT issues.
• Live migrated 400 VM from IBM cluster running in old vCenter to new Cisco UCS cluster running in new vCenter.

Confidential, San Jose, CA

Senior System Administrator

Environment: Confidential vSphere.

Responsibilities:

• Use Propel to implement project roll out.
• Build new ESX servers in new vCenter, live migrate the production VM from old to new hosts running in new vCenter server.
• Design, build, secure servers before delivering to client and Go Live. Register in Cisco EMAN page for support.
• Performed integration test on Cisco UCS.

Confidential, Santa Clara, CA

Linux and Windows System Administrator, Exchange 2007 Administrator

Environment: Windows Server 2003/2008, Exchange Server 2003/2007, Confidential ESX Server 3.5

Responsibilities:

• Built, administered and supported Confidential virtual center and Confidential ESX servers.
• Used Confidential virtual center to administer hosts and virtual machines.
• Used Confidential Converter to convert physical machine to virtual machine.
• Built and administered ESX hosts to support High Availability, Distributed Resource Scheduler like Vmotion.
• Built, secured and administered Linux servers
• Built, secured and administer Kickstart, Apache, Samba Linux servers.
• Used Microsoft Sysprep tool to create an auto install image, then use Symantec Ghost to clone the image on the new servers.
• Used Microsoft WSUS and Microsoft Operation Manager (MOM) to patch the servers.
• Involved in the migration of Microsoft Exchange 2003 to Exchange 2007 project, in which mail boxes, public folders were migrated.
• Administered Microsoft Exchange 2007 Mail server.
• Project involved built distributed file system(DFS) server, create DFS namespaces,enabled DFS replication to achieve files consistency across corporate network.

Confidential, San Jose, CA

IT Manager, Windows and Linux System Administrator

Environment: Windows NT, Windows Server 2003, Exchange 5.5, Exchange 2003, Unix, Redhat LinuxCitrix Presentation Server.

Responsibilities:

• Built, secured and administered Linux servers.
• Administered, supported and secured Windows Active Directory
• Migrated NT Domain to Windows Active Directory using ADMT(Active Directory Migration Tool) 2.0
• Built Exchange 2003 server, then migrated users mailboxes and public folder from Exchange 5.5 to Exchange 2003.
• Built and support Exchange Cluster Server, implement cluster server failed back policy and failed over policy. Assign cluster IP and name to clustered group, join additional node to clustered group.
• Configured Exchange 2003 to use RPC over HTTP connection.
• Built and load balance Exchange front end server using Microsoft Network Load Balance (NLB).
• Built and supported MS SQL 2005 Cluster servers.
• Supported PDA (Personal Digital Assistant) Treo.
• Administered SonicWall Firewall and Cisco Router and VPN.
• Administered Microsoft Internet Information Server(IIS) 6.0
• Administered Citrix Presentation Server.

Confidential, Redwood City, CA

Windows 2003/2000/NT System Administrator

Environment: Windows NT, Windows 2000 Server, Windows Server 2003.

Responsibilities:

• Data management, create backup classes, schedule backup, load scratch tapes, vault tapes.
• Implemented disaster recovery on Windows servers.
• Use Active Directory to create GPO (Group Policy Object) to implement software deployment policy.
• Audited and secured Windows Server by making sure that they have the latest security patches.