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Systems Administrator Iii Resume

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Washington, DC

SUMMARY:

  • Confidential Veteran with nine years of Information Technology experience working in various environments.
  • A fast learner and self starter who is always looking to gain further technical knowledge in the IT field.
  • A proven team member with an eye to fix technical issues and valuable asset to the team.

TECHNICAL SKILLS:

Platforms: Windows Server 2000/2003/2008 R2, MS Exchange 2003/2008

Networking: TCP/IP, Ethernet, DHCP, DNS, WINS.

Tools: Norton Antivirus protection utilities, VERITAS Backup Exec 10.d, Microsoft Office Suite 2000/XP/2003, Active Directory, Remedy, SCOM 2007, Office Communicator Server (OCS) 2007, Microsoft Exchange 2003/2010, Blackberry Enterprise Server, VM Sphere 4, MS Citrix Xen App and Citrix Xen Desktop 5.

PROFESSIONAL EXPERIENCE:

Confidential, Washington, DC

Systems Administrator III

Responsibilities:

  • Active Directory 2003 Terminal Services to delegate ownership to 2008 R2 enterprise systems administration duties in an enterprise architecture.
  • Exchange 2003/2010 email administration to customers in daily duties to ensure email flow without error and/or quick problem isolation and troubleshooting and at times ticket escalation.
  • Dell and HP hardware and software administration, printer administration, BES blackberry server administration, and Citrix and Vmware knowledge to ensure enterprise network duties.
  • Daily and weekly reporting of DOJ Sentinel enterprise network duties from all team network application are up or downtime are reported to supervisors and managers.

Confidential, Quantico, VA

Tier III Messaging Support

Responsibilities:

  • Part of 8 person Microsoft Exchange, Blackberry Services technical support delegated through Remedy ticketing system for Classified and Unclassified networks.
  • Maintained preventative, technical and daily maintenance on Microsoft Exchange 20003/2010 unclassified and classified servers.
  • Resolved any troubleshooting from Messaging issues from Management Team concerning DAG, HUB, Blackberry mailbox latency or modification for optimal performance using monitoring tools.
  • Provided weekly status reports to the Messaging Team on best practice for server support on MCB Classified and Unclassified networks.

Confidential, Reston, VA

Citrix Administrator

Responsibilities:

  • Build Citrix Xen Desktop virtual machines from Microsoft Hyper V management console for 500+ users.
  • Provision virtual machines to assigned VLAN using Microsoft Power Shell script language.
  • Create or modify Citrix account through Active Directory for Citrix Application servers. Also manages publishing new applications for client.
  • Built, configured, deployed, and troubleshot Windows 7 virtual templates for Citrix Xen Desktop.
  • Troubleshoot overall health of VDI Citrix environment using Citrix 24 x 7 engineering support as part of NII’s two person Citrix engineering team.
  • Monitor SAN storage utilization from Microsoft Failover Cluster Manager using with primary storage HP p4500G2 SAN for storage to Virtual Desktop Infrastructure environment and secondary storage includes LUN presentation over iSCSI EMC VNX 5700.
  • Monitors Citrix VMs from MS SCOM 2007. JIRA used for VDI ticketing system.
  • Patch all servers in Virtual Desktop Infrastructure includes Microsoft Server 2008 R2 & Microsoft Server Core 2008.
  • Daily performance troubleshooting & monitoring in VDI environment.
  • Hardened, patched, OS (Windows 2003. 2008, 2008 R2) using SCCM. Clustering, working with Database Administrator, storage engineers, Middleware engineers.
  • Administer and manage various operating systems including Windows 7 & Windows Server 2008 R2

Confidential

System Administrator

Responsibilities:

  • Exchange - Mailbox creation, Exchange server storage mailbox migration moves, Exchange 2003 defragmentation for 2000+ mailboxes. Tuning of System Manager settings; monitoring health of data stores, and mailbox message tracking.
  • DHCP- Administration of DHCP services, ensuring removal of stale records, maintain control and record of IP usage; ensure proper control of printer record entries and IP distribution
  • AD/DNS-Tuning of Active Directory services, replication settings, and administration of AD services, to include consolidation of OU's based on account/object type, access level, and function; administration of DNS and DHCP services, ensuring removal of stale records, maintain control and record of IP usage.
  • Blackberry-Maintenance and administration of Blackberry Enterprise domain; ensure proper control, testing, and updates of BES policies; monitor licensing availability; account setup and troubleshooting as needed
  • Backups/Tape Management to include management of system, network, and virtual machine backups; ensuring proper usage and removal of VM snapshots; tape library management and storage for onsite and offsite locations; packaging and shipment of tapes in support of disaster recovery efforts. NetApp used for SAN.
  • Configure and maintain Windows 2003/2008 environment services, including Active Directory, DFS, DNS, and DHCP

Confidential

Systems Support Engineer

Responsibilities:

  • Troubleshoots and maintains current knowledge of relevant hardware and software applications as assigned by management. Team responds, troubleshoot, and resolve Tier III Exchange, Hyper V, and Active Directory related network issues of 10,000+ users within CONUS. Coast Guard Homeland Security uses 100+ physical and virtual servers using MS 2003, 2008 R2.
  • 10,000 + mailbox and account administration tasks using Microsoft Exchange System Manager (ESM) and Active Directory Users & Computers (ADUC) for US Coast Guard users across the country and worldwide. Monitors and troubleshoots all Coast Guard Enterprise servers using Systems Center Operations Manager 2007 (SCOM)
  • Configuring, troubleshooting and building Dell Power Edge Servers using Windows Server 2003/ 2008 R2 in efforts to support the Enterprise Migration Project
  • Installation and configuration of Windows 2003 Server, DHCP, WINS and DNS configurations.
  • Manages Domain Controller promotions and executes Exchange 2003 Server builds and installations including builds and role setting for Domain Controllers, Site Servers, and Distribution Servers throughout the network
  • Performs backup and restore jobs using VERITAS Backup Exec .
  • Builds Microsoft Server 2008 virtual host server and configures Hyper V for Virtual machines for network servers (Domain Controllers Server 2003 and 2008)

Confidential

System Administrator II

Responsibilities:

  • Troubleshoot escalating Tier II HW & SW related Exchange, Blackberry, ADUC related for 10, 000 HQDA users.
  • IT software integration, Customer Service troubleshooting on network related issues.
  • Hardware devices used to troubleshoot the network including fluke, fiber optics transistor, Ethernet (CAT 5).
  • Software used to troubleshoot included Dameware tools, MS-DOS utilities to find devices inside of network. Microsoft Office experience, Remedy experience, Unclassified and Classified Domains are used.
  • Troubleshooting all Microsoft Suite products, Blackberry device server issues, File permission issues, Laptop and Desktop hardware and software fixes.
  • Understanding of DNS, Active Directory, IIS and Clustering.
  • Voluntary Managed and Completed Project creating two virtual test environments for MS Exchange Support Engineers (2003/2007).
  • Assisted in the administration of corporate domains and network servers including back-ups.
  • Provided network Helpdesk support for back-end and end-users.

Confidential, Norfolk, VA

System Administrator

Responsibilities:

  • Part of a team of 6 system administrators; upgrading and maintaining 10 servers and 1,075+ workstations from Windows NT to Windows 2000 Server/workstation.
  • Revised the procedures for backups and restoration of pertinent information, saving the department over 630 man-hours per year.
  • Designed and implemented a disaster recovery strategy via backup and restoration procedures. Trained peers and subordinate employees on system operations and upgrades.
  • Authored several clear, concise, thorough policies, procedures, and work instruction documents critical in training users and maintaining effective, efficient, and secure information systems.

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