Jason Mccallum Email & Phone Number

Texas, United States

Dallas-Fort Worth Metroplex

Dallas

Whitehat Virtual Technologies is a virtualization integrator, managed services provider and consulting services firm focused on creating virtualization environments that are built, measured and managed through the eyes of the end user. Whitehat Virtual specializes in fixing problematic virtualization implementations and deploying new virtualization environments that give customers a 360 degree view of their environment, enable them to deliver an exceptional end user experience, and turn their Support Desk into a proactive tool that solves end user issues 60% of the time or more before the end user ever contacts the Support Desk.. According to the Aberdeen Group, Business performance starts to decline when mission-critical applications are at 5.1 seconds or greater of response time delay. 50% of businesses are losing revenue due to poorly performing applications 32% of businesses surveyed said poor application response caused damage to their brand. We solve these performance problems and: *We provide proactive problem detection before users call the help desk. *We provide the metrics to measure the business impact of poor application performance. *We eliminate slow logons, profile issues, and mystery response time spikes and lags. *We eliminate user rights/permissions issues. *Build/Remediate Citrix, VMware, Microsoft environments *Build/Remediate Acitve Directory, SQL, Exchange environments.

Dallas

Citrix Architect for:XenApp, XenDesktopXenMobileNetscaler

Dallas Tx

External IT is the only hosted IT-as-a-service company to serve the needs of the small enterprise virtual workforce (10-500 users) with easy access to all applications, files, email, contacts and calendar through our web-based portal. Whether working from headquarters, a remote office, at home or from the road, all you need is Internet access. With today's virtual workforce, users can share data, view up-to-the-minute company directories, IM and collaborate with real-time screen shadowing. Using hosted infrastructure in our secure data centers, businesses no longer need to purchase, operate and maintain servers, storage and software. Reduce your capital and operating costs and have a greener footprint. Since all IT is run from our data centers, disaster recovery and business continuity are now affordable for everyone. New users and locations can instantly be added, trained and supported anywhere in the world. Since 2000, External IT has been a pioneer in the shift to IT Outsourcing 2.0.

• Migrated or created critical servers to Virtual Environment using Citrix XenServer and Dell PowerEdge Servers along with 2 Dell Equalogic SAN’s. Researched and piloted using VMWare and Hyper-V but chose XenServer. Used Hyper-V for Training Lab for 20 VM’s• Application Deployment using XenApp server along with Appsense. Wyse Terminals for low cost and rugged use in manufacturing plant. • Installed Wireless Network with 48 Access Points for mobile workstation on Forklifts using Meraki Access Points. • Migrated from Fedora Directory Services to Microsoft Active Directory and moved 150+ workstations to the new Domain.• Migrated from Zimbra Mail Server to Exchange Server 2007• Installed CommVault Backup Server to manage online disk to disk to tape backups, and enabling user based restoring.

• Instrumental in designing and supporting the City’s network infrastructure to include Wireless access for Police/Fire/Building over cellular broadband.• Developed and Implemented work from anywhere capabilities with Citrix Presentation Server/XenApp, for use in Police Cars/EMS/Fire Trucks. Virtualized green screen environments, along with 16 bit applications.Tested VMWare/Hyper-V and Citrix XenServer. Used Citrix XenServer to move to a virtualized server infrastructure.• Enterprise wide backup system using CommVault in conjunction with VTL technology and ATL technology, and enterprise messaging system with Exchange.• Instrumental in Designing and implementation of the City’s Network Operation Centers, including power, a/c, networking, and servers. Designing and implementation of the Emergency Operation Centers along with the Police Dispatch Centers.

• Specked/Ordered/Upgraded Supported Servers and installed them in the DataCenter.• Upgrade Server O.S. along with Application Server upgrades.• Provisioned Space on the NetApp Fillers for Servers.• Managed the NetBackup Server and the offsite tape rotation.• Managed the SMS deployment server and test labs.

• Specked/Ordered/Upgraded/Supported Servers and installed them in the DataCenter.• Moved the entire datacenter from one physical location to another• Upgrade Server O.S. along with Application Server upgrades.• Managed the Citrix Metaframe Servers creating virtual applications and modifying them to work in a virtual environment