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Senior Systems Administrator Resume

COMPUTER SKILLS:

Software: Microsoft Exchange 5.5/2003/2007/2010/2013 ; Microsoft Active Directory Topology with Windows 2000 / 2003 / 2008 / 2012 ; Distributed File System (DFS); Active Directory Federation Services (ADFS); DHCP; DNS; WINS; SCCM; SCOM; Microsoft SQL Server 2012/2008/2005 ; Veritas Backup Exec v 8/9/10/11; Blackberry Enterprise Server 4; Quest Migration Tools; Microsoft Security Compliance Manager; Splunk Enterprise 4/5/6; Veritas NetBackup 8, Veeam Backup and Replication 8/9, Acronis Backup Advanced 11.5/11.7

Hardware: RAID 0/1/5/1+0, Cisco Catalyst Switches, HP, Fujitsu, and Dell branded physical servers and EMC, Fujitsu, and HP based Storage Area Networks (SAN)

Operating Systems: Microsoft Windows XP/NT/ 2000/2003/2008/2012/ Vista/7/8, Dos 6.1, and Red Hat Enterprise Linux 4/5

Virtualization Technologies: VMware vSphere vCenter 6/5/4.1 / 4.0 / 2.5 , ESX/ESXi 6/5.5/5.1/5.0/4.1/4.0/3.5 , VMware Consolidated Backup 1.5, VMware vCenter Converter Standalone 4.3/4.1/4.0, VMware vCenter Update Manager, and Hyper - V with Virtual Machine Manager (VMM)

EXPERIENCE:

Senior Systems Administrator

Confidential

Responsibilities:

  • Led the effort to migrate the company’s communications to Microsoft 365 services, specifically on premises Exchange and Lync moving to Exchange Online and Teams.
  • Built and deployed a SCCM infrastructure from scratch.
  • Migrated a physical Exchange 2007 environment to a virtual Exchange 2013 environment.
  • Migrated VSphere 5 cluster to a new VSphere 6 cluster for both primary and secondary datacenters.
  • Deployed Microsoft Lync environment to facilitate on demand communications requirements with administrators and developers.
  • Implemented an Acronis Backup Advanced solution to ensure all building PCs are backed up nightly.
  • Leveraged Splunk to create automated daily monitoring and reporting of system logs throughout all customer systems.

Senior Windows Engineer

Confidential

Responsibilities:

  • Migrated and modernized the DHCP services that were hosted on a single physical Windows 2000 Server to a redundant split scope configuration hosted on virtualized Windows 2008 R2 Server guests.
  • Tested and configured a new ADFS 2.0 architecture.
  • Constructed a secure build process for all Windows 2012 Servers introduced into the environment
  • File Migration Project migrating 3 TB of data from standalone files servers into the enterprise DFS architecture.
  • Deployed new ESXi VMware hosts ensuring compatibility with existing environment.

Senior Systems Engineer

Confidential

Responsibilities:

  • Configuration and Management of 4 different VMware vCenter clusters consisting of 31 vSphere and VI3 based ESX / ESXi hosts.
  • Setup and Maintenance on HP MSA 2000 series SANs supporting both fiber and iSCSI connectivity.
  • Management of Cisco Catalyst 6500 and 3750 series switches.
  • Configuration and administration of 4 different Microsoft SQL 2005 based clusters

Systems Engineer

Confidential, Columbia, MD

Responsibilities:

  • Managed and configured WINS, DNS, Group Policy, DHCP, IIS, Terminal Services, Blackberry services and Microsoft Exchange 2007 for multiple domains totaling 14,000 users.
  • Responsible for managing and configuring the Symantec Brightmail Gateway mail filtering appliance, which governs all incoming and outgoing mail for the Apria Enterprise.
  • Part of a messaging team that migrated mail from a Domino based messaging environment to Microsoft Exchange 2007 based messaging environment using Quest Notes Migrator to Exchange.
  • Built servers from the ground up, ensuring that operating system, security patches, backups, and monitoring were all configured to enterprise standards.
  • Created and maintained several virtual images which are used as basic builds for all types of Windows 2003 Server releases on VMware server for windows.

Senior Windows Engineer

Confidential, Columbia, MD

Responsibilities:

  • Provided migration support for new applications and new releases of applications in UNIX based environments running JBoss and Apache.

Confidential, Washington, DC / Lexington Park, MD

Enterprise Services Support Engineer

Responsibilities:

  • Installed and configured Ironmail anti-spam appliances throughout the enterprise, which is responsible for scanning all inbound external mail to the enterprise (approximately 150,000 messages per day).
  • Produced a Continuity of Operations Plan (COOP) which was the blueprint for a disaster recovery scenario in which all critical Active Directory services would be moved from Charleston, SC to Bethesda, MD COOP site.

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