1. Brian V. Mahler
2284 W Harvard Ave, Englewood, Colorado 80110
Cell: 303-263-1589 Email: mahler5280@msn.com
An IT professional with extensive experience working effectively with executive management to order
and configure company-wide computer systems, with servers and other components to maintain
consistent functionality, with vendors to assure highest quality and lowest cost, with fellow engineers
to design and implement applications, and with end users for support and troubleshooting.
Exceptional large enterprise systems troubleshooting and communication skills.
TECHNICAL EXPERIENCE
 Citrix XenApp1.8-
6.5/XenDesktop5.0
Advanced Administration
 HP Servers, 3PAR SAN,
and Virtual Connect
 DNS/ TCP IP/DHCP
 Microsoft Office /
Office 365
 Microsoft Windows A.D.
2003/2008
 Responsible for Design,
Ordering, Build and
Configuration of
infrastructure Systems.
 Worked with vendors
and contracts.
 Maintained Data Center
infrastructure equipment,
Design and
implementation.
 VMware SRM/VSphere
 VMware Protect
 VMWare 4.1/5.5
Administration
 .Net Application
Deployment
 Patch Management and
NTFS Permissions
PROFESSIONALSUMMARY
WORLD FUEL SERVICES (INSIGHT GLOBAL,CONTRACTOR) 09/2015 –PRESENT (03/2016)
WINDOWS ENGINEER II
MONITORAND MAINTAIN WINDOWS2008A.D. INFRASTRUCTURE, ASSIST WITH MIGRATIONOF
PESTERMARKETING/ALTAFUELSCOMPANIESUSERS AND SYSTEMSOVERTO WORLD FUEL SERVICESDOMAIN.
RESPONSIBLE FOR DENVER, BOULDER, ALAMOSA AND PUEBLOSITES. TROUBLESHOOTING OFUSERANDSYSTEM
ISSUE’S. COMMUNICATING WITH WFSON ALL ASPECTSOF PROJECT FOR COMPUTERS, SERVERSAND APPLICATIONS
DESIGNANDSETUP, RESOLVINGUSERISSUE’S. DEPLOYMENT OFWFSAPPLICATIONSAND POLICES.
FRONTIER AIRLINES (ROBERT HALF,CONTRACTOR)
SYSTEMS ENGINEER 6/2015 – 09/2015
OFFICE365 ADMINISTRATION,GENERAL ACTIVEDIRECTORYADMINISTRATION, NTFSFOLDERPERMISSIONSAND GLOBAL
GROUPADMIN. GPOADMINISTRATION, AD CLEANUPAND REORGANIZATION. MIGRATIONOF CITRIX4.5APPLICATIONSTO
CITRIX 6.5. MAINTAINING OF CITRIXFARMSAND APPLICATIONS. VMWARE5.5SUPPORT AND MAINTENANCE. END USER
AND KIOSKSUPPORT FORTICKET COUNTERS.
RAYTHEON INC. (COLUMBUS US, CONTRACTOR)
SYSTEM ADMINISTRATOR 4 12/2014 - 02/2015
MONITOR AND MAINTAIN MULTIPLE ENVIRONMENTS ON JPSS PROJECT. VMWARE 5.5, WINDOWS
INFRASTRUCTURE, CITRIX 6.5. ASSISTED ENDUSERSAND DEVELOPERSWITH INFRASTRUCTUREAND ACTIVE
DIRECTORY ISSUE’S.
Hitachi Data Systems, Englewood, CO
Senior Systems Engineer 03/2013 – 05/2014

2. Brian V. Mahler Page 2
Monitored all infrastructure systems, VMWare 5.5, Citrix XenApp 6.5/XenDesktop 5.0, Troubleshooting and
problem resolution, Worked with users and application owners. Utilized HP Openview/Sitescope for monitoring.
Windows 2008 Active directory. Proficient in configuration and management of servers running in VMware and
HyperV environments. Worked with users to roll out new applications/systems via VMWare Farms. Maintained
and Managed Citrix XenApp and Xendesktop environments. Maintained global VMWare environment, 5000+
virtual servers consisting of Windows and Linux systems.
Tallgrass Energy LP., Lakewood, CO
Lead Systems Engineer 10/2012 – 03/2013
A spin off company from Kinder Morgan. Worked with senior management on budgeting and configuration of all
infrastructure hardware and systems, migration of applications and data from parent company. Worked with
multiple vendors to quote and order all aspects of infrastructure, Setup and deployed Windows 2008 Active
Directory Domain, VMWare 5.1, Citrix XenApp 6.5. HP C7000 Blade Enclosure’s with Virtual Connect. Setup and
implementation of Commvault Backup system. Designed and setup disaster recovery plans/procedures using
VMware SRM and HP Blade Systems. Setup and configuration of HP 3PAR SAN system. Setup and deployment
of VMware Protect, Shavlik patch management and inventory system and VShield antivirus. Coordinated and
supervised 6 other employees to complete projects in a timely manner. Setting up and maintaining NTFS
permissions and security.
Epsilon Inc., Layfayette, Colorado 07/2012 – 10/2012
Senior Systems Engineer
Maintain corporate infrastrucuture, Windows operating systems. HP Hardware, security, patching, backups.
VMWare and Citrix management. Integrate and roll out applications, troubleshooting of system/application issue’s.
Rolling out Microsoft security patches.
Kinder Morgan, Inc., Lakewood, Colorado 1996 – 2012
$65 billion multinational natural gas, refined petroleum product, crude oil, and carbondioxide transportation and storage company, with
over 38,000 milesof pipelines and approximately 180 terminals.
Senior Systems Engineer 01/2002 –07/2012
Supervise up to three employees. Delegate, coordinate, and manage deadlines for projects. Order, configure,
integrate, maintain, and troubleshoot all server hardware, applications and accessories. Work with infrastructure
services and design, patch management, backups, security and permissions, disaster recovery planning, and more.
Support Citrix users. Worked with over 400 remote sites coordinating upgrades to local servers and applications,
ordering and scheduling any hardware/software upgrades and working with local site management for cutovers.
Managed several print servers with 200+ print queues. Worked with team to merge/manage acquisitions into
corporate infrastructure. Work on-call hours as needed. Worked with DBAApplication teams to implement and
deploy appropriate hardware/storage requirements to host enterprise database/application systems consisting of
.Net Applications and web applications. Maintained antivirus systems for all server environments. Managed and
maintained 400 Citrix servers spanning several farms with 900+ published applications on XenApp. Maintained all
aspects of data center, raised floor, electrical, cooling and placement of all rack and server equipment. Managed,
maintained and coordinated upgrades to VMWare virtual infrastructure to include hardware and configuration.
Accomplishments:
Worked with fellow employee to design and implement Microsoft Windows 2003 Active Directory for entire
company.
NT Engineer 11/1997 – 01/2002
Acquired, installed, upgraded, consolidated, and maintained the entire company’s network, servers, and accessories.
Administered 200 NT servers (4,000-user domain).

3. Brian V. Mahler Page 3
KN Energy Inc., Lakewood, Colorado (acquired by Kinder Morgan) 06/1996 – 11/1997
Microcomputer Specialist
Provided technical support for company-wide Microsoft Exchange and Windows 95 conversions and moves.
Performed problem recognition, research, isolation, and resolution for hardware, software, and network issues.
Updated company desktop and laptop hardware and software standards to stay current with latest technology.
Industrial Training Corporation, Herndon, Virginia
Hardware Technician April 1995 – March 1996
Performed the installation, configuration, and troubleshooting of custom education hardware and software.
Fairfax Auto Parts, Chantilly, Virginia
Night Manager October 1992 – April 1995
Supervised up to four employees in the opening and closing, cash and credit sales, and inventory management of the store.
NYMA, Chantilly, Virginia
Lead ComputerOperator May 1990 – July 1992
Trained all new-hire operators. Coordinated vendor service, equipment installations, and disaster recovery planning.
Maintained user authorizations. Performed troubleshooting for all system issues. Performed system backups.
Boeing Computer Services, Vienna, Virginia
Computer Operator December 1988 – May 1990
Installed and operated laser printers and all IO hardware. Analyzed and distributed printer output. Performed system user
support.
Computer Sciences Corporation, Herndon, Virginia
Senior Technician February 1987 – December 1988
Assisted in Novell token ring LAN installation and setup. Ordered all PC supplies. Completed nightly system backups and
network updates. Provided general support.
American Security Bank, Washington D.C.
Quality Control Clerk, Jr.Operator November 1986 – February 1987
Analyzed and distributed printer output. Provided general support.
.
EDUCATION/CERTIFICATIONS
Diploma, Computer Learning Center, Springfield, Virginia
Completed 620 hours of intensive computer operations training.