Senior Network Administrator Resume Houston TX - Hire IT People

SUMMARY

Experienced systems administrator with 15+ years designing, automating, troubleshooting large, diverse IT ecosystems
Ability to become proficient quickly in new solutions and implement/configure/manage them in a proper manner that ensures maximum reliability and value

TECHNICAL SKILLS

Active Directory
Group Policy
Name Resolution
Exchange
Lync bash/python scripting
PowerShell vbscript f5 Load Balancers
MS Clustering
Citrix XenApp
Certificate Services
Automation
Troubleshooting
Systems Monitoring

PROFESSIONAL EXPERIENCE

Confidential, Houston TX

Senior Network Administrator

Responsibilities:

As a technology architect, responsible for designing the technical infrastructure behind new solutions entering the environment, creating the budgetary quotes, determining where a solution may not meet organizational standards and creating mitigation strategies for those deficiencies
Designed and documented configurations for tier 1 applications to be able to be moved to or automatically failover to an alternate data center
Primarily responsible for all core network services including Active Directory and both internal and external name resolution
Successfully upgraded/Migrated all Windows domains through all Windows versions from Windows NT 4.0 to Windows 2008 R2 with no customer interruption
Automated many tasks with vbscript and PowerShell including the creation of the first system to automatically provision users and mailboxes based off of a daily information feed from HR
Designed and implemented a custom AD schema extension to support an in - house developed SSO solution. This included adding 21 new attributes to the directory service and 2 new object classes. This was developed in a test environment and an LDIF created for import into production.
Worked with vendors as well as application analysts in configuring their applications to use LDAP and appropriately search and leverage the information in the directory service.
Established interoperability with other forests and successfully migrated user/group/computers/mailboxes and other objects and services during 5 company acquisitions
Assisted with the design and implementation of Exchange 2010 and the migration from Exchange 2003 with minimal user impact
Addressed messaging issues that could not be solved by support staff
Designed and implemented Lync 2010
One of the top level technical resources called on to assist other teams in solving high profile technical problems
Configured load balancers to handle Exchange connections and other services such as LDAP so that applications in which only 1 LDAP server could be configured would be fault tolerant.
Created many custom monitors for SolarWinds Orion for application health and user experience monitoring and reporting
Created certificate templates, set permissions, issued certificates, and delivered PKI settings through group policy. Also worked with application analysts to configure certificates with their applications by helping them generate CSR's and create java keystores and convert certificates to the correct formats
Management of EMC Isilon systems including native scripts for setting and managing quotas. The scripts used ldapsearch to pull user information from AD such as email address and employee level.
DFS namespace management and troubleshooting
Creation and management of most Group Policy Objects that applied to the server environment
Skilled at using scripts to pull and correlated data from multiple systems to provide reports to management and also doing tasks such as bulk changes on directory service objects.

Confidential, Houston, TX

IT Specialist

Responsibilities:

Administered Netware 5.0 LAN/WAN
Designed and implemented a Citrix Metaframe farm to deliver core business application
Managed Groupwise 5.5 email system
Created standard images for workstations and scripted the delivery of settings and patches

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Senior Network Administrator Resume

Houston, TX

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