Tezzra Arrington

15302 Kennett Square Way Brandywine, MD 20613

tezzra.arrington@gmail.com

202.361.1370

A cleared, DoD 8570 compliant, IT professional with a strong background in virtual/physical server/systems administration,

maintenance, testing, patch management, infrastructure monitoring and IT Operations.

PROFESSIONAL QUALIFICATIONS

Microsoft Windows Server 2003/2008/2008 R2

Active Directory, DNS

Server Patch Management

Technical Support/Customer Service

VMware ESX and ESXi Server

Infrastructure Monitoring

CLEARANCE

Active US Government Top Secret/Sensitive Compartmented Information Clearance

CI Poly –May 2014

EDUCATION & TRAINING

COMPTIA Security+ CE

VMware vSphere 4.0 – MicroTek

TESST College of Technology - Beltsville, MD

Certificate – Network Information Systems

TECHNOLOGY

Management Tools

SolarWinds, SMS, Microsoft Operations Manager 2005, Shavlik, VRanger, VMware vSphere 5, ACAS

Hardware

HP Servers: DL360/380/385/585, HP Blade System c7000, KG175D

Software

Microsoft SQL Server 2003/2008, Microsoft Exchange 2007, Remedy 8.1, Microsoft Office 2007/2010

EXPERIENCE

Zolon Tech

Office of the Chief Technology Office\ITA

Systems Administrator

Crystal City, VA

9/2015-present

  · Provides support for implementation, troubleshooting and maintenance of the PREP ITA OCTO testing environment for the

Department of the Army

  · Operate and maintain all test, and development systems in a Windows environment

  · Perform system administration activities to include account management, monitoring and management of system resources

(CPU, memory, disk, etc), monitoring and auditing system logs

  · Configure and deploy new Windows2K8 and Windows 2K12 servers at the virtual level

  · Responsible for the troubleshooting, test, installation and configuration for all virtual machines

  · Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the virtual

workstations and servers

  · Account management to include create, modify, disable, restrict access and delete accounts

  · Perform new server deployments, software installations and upgrades to operating systems and software packages

  · Using ACAS security scanner to execute security scans and to implement IAVA patches to virtual machines

  · Provide Tier II support to the Engineering team and Developers to resolve issues with production systems

Odyssey Systems/Alion

HQ Air Force/Rapid Capability Office

Systems Administrator

Bolling, AFB

6/2012 – 9/2015

  · Provide daily administration, operation & maintenance support for Server2008 servers, Windows 7 desktops, mobile devices,

and HP printers

  · Deploy software to servers, manage security patches and upgrades of all systems

  · Maintain hardware and software critical to daily operations

  · Server/workstation build, deployment and maintenance

  · Account management to include create, modify, disable, restrict access and delete accounts

  · Provide technical support, testing and troubleshooting for messaging applications, operating system(s), server hardware

across several classified networks

CACI

Dept. of Defense/Office of the Secretary of Defense

Systems Administrator/ Tier III

Pentagon, VA

7/2007- 6/2012

  · Provided daily administration, operation & maintenance support to a VMware virtualized Infrastructure Test and

Development environment for the Enterprise Information Technology Services Directorate (EITSD)

  · Served as a 3rd-tier support resource to the internal Operations Team for the customer relative to our web products, working

as liaison between customers and developers

  · Responsible for the test, installation and configuration for all of the EITSD testing Windows environments

  · Configured and deploy new Windows2K3 and Windows 2K8 servers at the OS level and at the virtual level

  · Provided technical support, testing and troubleshooting for messaging application, operating system(s), server hardware

across several domains

  · Worked closely with Engineering team and Developers, as well as external vendors to resolve issues with production systems

and applications

  · Performed daily system monitoring, verifying the integrity and availability of all systems, server resources, systems and key

processes, reviewing system and application logs, and verifying completion of scheduled jobs

  · Account management to include create, modify, disable, restrict access and delete accounts

  · Deployed software to servers on a regular basis, manage security patches and upgrades of all systems

  · DNS Management & GPO Management for over 400 servers (physical and virtual)

  · Provided hardware, installation and repair services for physical servers

  · Performed new server deployments, software installations and upgrades to operating systems and software packages

  · Supported physical server infrastructure and virtual server infrastructure (using VMware Vsphere ESXi)

  · Conduct a backup scheduled routine using Vranger

Catapult Technology

DOS/ Diplomatic Security

Desktop technician

Rosslyn, VA

4/2007-12/2007

  · Served as the initial point of contact for troubleshooting hardware/software PC and printer problems

  · Supported to users in the areas of voicemail, e-mail, directories, and standard DOS applications

  · Created trouble tickets within UTT ticketing system for all phone calls and e-mails in the Helpdesk mailbox

  · Provided phone and desk side support

  · Performed account administration: reset passwords or unlock accounts in accordance with security guidelines using Active

Directory

  · Remote controlled using SMS to better define the problem or resolving the problem

  · Dispatched technicians to the customers and monitor the status of the network and servers

  · Effectively communicate customer issues and concerns to all applicable internal staff

  · Queried help desk database for assigned open and pending requests and updating requests as needed

  · Maintained & troubleshoot basic network printer problems

A\E Data Integration

DOD/ Pentagon

Help Desk Specialist

Pentagon, VA

4/2005 - 4/2007

  · Served as the initial point of contact for troubleshooting hardware/software PC and printer problems.

  · Provided support to users in the areas of voicemail, e-mail, directories, desktop, and standard DOS applications.

  · Entered trouble tickets within Remedy ticketing system for all phone calls and e-mails in the Helpdesk mailbox.

  · Performed account administration: reset passwords or unlock accounts in accordance with security guidelines using Active

Directory.

  · Utilized remote control SMS to better define the problem or resolving the problem.

  · Dispatched technicians to the customers and monitored the status of the network and servers.

  · Effectively communicate customer issues and concerns to all applicable internal staff.

  · Query help desk database for assigned open and pending requests and updating requests as needed.

Labat Anderson, Inc.

Dept. of Homeland Security

Service Desk

  · Effectively prioritized, organized and completed assignments in a fast paced environment

  · Responded to status inquires through correspondence and telephone.

  · Imaged Hard Drives, drive mapping, installing, and configuring network and local printer

Washington, DC

11/2003 - 4/2005

  · Provided Tier I and II level support for 2,500+ users in Windows NT 4.0 and 2000 environment

  · Trained and assisted users on new software applications and provided computer supplies and maintained accurate records of

distributed materials as requested by other Help Desk Staff.