Tek Systems - Jacksonville FL September, 2010 to August 2012Contract Citrix Engineer for a large financial institution supporting Citrix XenApp 4.5 environment with XenApp servers exceeding 3000, over 1000 applications published and sustaining 38000 users. Job duties include:• Installing XenApp 4.5 on over 100 servers, Publishing installed and streamed application, configuring profiled applications, assisting in disaster recovery operations.•Published over 100 applications to over 100 servers.•Attending meetings to discuss assigned projects.•Determining bandwidth for external vendors. •Designing portions of the Citrix folder structure to suit assign projects.•Troubleshooting published applications and working with users to solve issues•Managing and troubleshooting servers •Participate in Rotating on Call support.

Manage all aspects of Lenel and Windows Server environment. Assisted Stanley Security with Lenel Server upgrade and LDVR end device upgrades.Installed Windows 2008 R2 on all servers, configured DNS backupApplied DoD certificate for CAC card login on Windows 2008 Domain.•Installed and manage WSUS Server on Windows 2008•Manage Symantec Antivirus Server, deployed client to all servers in domain. •Provided support for all field desktop computer. •Granted Secret Security Clearance.

Windows 2003 Managed Active Directory Group Policy to secure computer environment. Managed Operations Masters Roles, forest level - domain Naming master and schema; Domain level - RID, PDC and Infrastructure, security and distribution groups, sites, site links and subnets. Windows 2008 compacted database and moved database for Active Directory, restored form backupDNS – configured primary zones, secondary zones, stub zones, forward lookup zones, Host A records Cname, MX records Active integrated zones configured DNS round robin. Promoted to Systems Engineer and assigned the task of upgrading Citrix XPe 1.8 Farm to XenApp 4.5 resulting in increased functionality and zero downtime for customers.Led global infrastructure project to upgrade the Citrix 4.5 environment to Windows 2008 and XenApp 5.0, which merged all independent environments into one main Citrix Farm.Configured Citrix Secure Gateway for global connections which established a secure encrypted web site for external internet users routed through ISA server 2006. Setup web sites for Citrix 4.5 and 5.0 Windows 2003 and 2008. Setup DHCP scopes, and address leases for servers