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Systems Engineer

Austin, Texas, United States
April 24, 2018

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David A. Zavaleta

***** ********* ** ************, ***** 78660 512-***-****


March 2013 to


Cirrus Logic Sr. Systems Engineer/Team Lead

Responsibilities: Active Directory, Exchange, VMware

Completed projects: Four Datacenter migrations. VMware upgrades. Cisco UCS deployment. Backup software replacement. IT acquisition and integration design. Team lead for Windows and Virtualization team. Infrastructure Architect

Oct 2010 to

March 2013

Newgistics Sr. Systems Engineer

Responsibilities: Active Directory, Exchange, VMware, Solarwinds, SQL and Sharepoint 2010 management.

Completed projects: Datacenter migration. VMware upgrade. Hardware refresh. Sharepoint migration. LANDesk Deployment. Solarwinds deployment.

March 2009 to

Oct 2010

Primus Networks Sr. Systems Engineer/Solutions Architect

Responsibilities: Hosting Solutions Design and Implementation

XenServer and XenApp design and implementation. Escalation point for major issues including Active Directory, Exchange 2003/2007/2010 and Citrix. Designed and built multi-tenant hosted XenApp environment providing our Customers high availability application access. VMware design and deployment. Microsoft Data Protection Manager rollout. Exchange migration planning. Active Directory migration planning. Data Center consolidations.

April 2004 to

March 2009

Verizon Sr. Systems Engineering/Solutions Architect

Responsibilities: Solutions Design and Implementation Team

Providing customer with a wide range of custom enterprise solutions including Active Directory, Messaging and Security. Backup solutions including NetBackup, Commvault, DPM. Messaging solutions including Exchange and GroupWise. Remote Access and Application delivery with Citrix. Virtualization solutions including XenServer and VMware. My team managed over 10,000 servers in 20 Data Center throughout the world.

Sep 2003 to

April 2004

Temple-Inland Citrix Architect/AD GPO Architect

Responsibilities: Citrix Metaframe infrastructure design and implementation, Citrix applications packaging and deployment strategies. Active Directory Group Policy design and deployment.

Projects: Evaluate and redesign the Citrix Metaframe environment. Built application packages and designed deployment strategies. Lead Citrix Architect for Clarify project. Migrated 2,000 Clarify users to Citrix environment. Citrix Architect for the MCD (Managed Computer Desktop) Project. Supported 200 server Citrix farm.

May 2002 to

Sep 2003

Mental Health Network Sr. Net Engineer/Support Manager

Responsibilities: Network and Support Services manager.

Completed projects: Active Directory deployment and migration from Novell, Citrix Metaframe XPe deployment, Citrix NFuse and Citrix Secure Gateway. DMZ redesign, Novell GroupWise migration to Exchange 2000, SQL 7 to SQL 2000 migration, Telecom upgrade and Call Center deployment.

Sep 2001 to

May 2002

KMI Consulting Sr. Systems Consultant

Projects: Seattle Times – Exchange 5.5 migration to Exchange 2000, Exchange 2000 Cluster Server Integration, Active Directory Deployment

Seattle Children’s Hospital – Citrix Metaframe 1.8 Maintenance, Citrix Metaframe XPe project planning, Citrix Metaframe XPe deployment, Citrix NFuse

Flow International – Windows 2k Terminal Services worldwide deployment.

April 2000 to

Sep 2001

Net Tech, Inc. Systems Consultant

Responsibilities: LAN/WAN design, analysis, upgrade and implementation. Novell to Windows migrations. Novell GroupWise to Exchange migrations. MS Exchange 5.5 upgrades and 2000 deployments, Windows NT 4.0 and 2000 Terminal Server.

Citrix MetaFrame installation and administration. Thin Client (WYSE and ThinStar) and Thin PC deployment. Design and deployment of

LAN/WAN, Cisco PIX Firewalls, DMZ, Cisco, Frame Relay, Backup Exec Solutions.

Sep 1998 to

March 2000

Dell Computer Corporation Technical Engineering Specialist

March 1996 to

Sep 1998

Higdon & Higdon, Inc. Desktop/Network Administrator

October 1995 to

Nov 1997

Complete Data Solutions, Inc. Desktop/Network Support


Microsoft: Windows NT 3.51/4.0/2000/2003/2008/2012/2016, Active Directory, Exchange Server 5.x/2000/2003/2007/2010/2013/2016, OWA, OMA, Clustering, IIS, Proxy, IAS, RIS, Group policies, Certificate Authority, MOM/SCOM, Hyper-V, SQL 2000/2005/2008?2012/2014, DPM, Azure, Office 365

Network/Monitoring: Wireless LAN/WAN, Ethernet LAN, GigE, Load Balancing (Netscaler/F5/Forefront ISA/Kemp), WAN, Frame Relay, iSCSI, TCP/IP, IPX/SPX, RAS, PPTP, VPN, SMTP, SMNP, POP, Cisco Routers, Hubs, Cisco Switches, PIX, ASA, Veritas Backup Exec and Net Backup, Arcserve, Dell Open Manage, Websense, Symantec Anti-Virus, Network Associates/Mcafee NetShield Anti-Virus, AVG, Antigen, BMC Software, NetPro, Solarwinds, ECM Configuresoft, Level Platform, Zenith, LANDesk, Lifesize video conferencing, Cisco UCS, Veeam

Citrix: WinFrame and XP, Presentation Server 3.0, 4.0 and 4.5, XenApp 5.0, 6 and 6.5. XenServer, NFuse, Web Interface, CSG, CAG, RTO Soft TScale Memory Optimizer, RippleTech Logcaster, Netscaler

Hardware: Dell, IBM, HP/Compaq Servers, WYSE and ThinStar ThinClients, Cisco Networking, Cisco UCS, Compaq and EMC SAN, Pure, NAS, DAS, Dell Equallogic iSCSI SAN, HP Storageworks


My ability to diagnose and solve complex problems is a skill I have acquired through practical experience in the Information Technology industry. This experience has provided me with excellent skills in the hardware and mechanics of today’s client/server environments, especially in the area of troubleshooting hardware and software compatibility problems. I work well under pressure and am able to meet the challenges that continually arise in a network environment.

I hold a Commercial Pilots license and fly regularly for a volunteer organization called Angel Flight. Angel Flight provides air transportation for medical and humanitarian purposes.

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