PROFESSIONAL SUMMARY:

• Talented systems administrator offering 15 years of experience in a Windows or Linux environment and expertise in several flavors of Windows or Linux including Windows XP, Windows 7, Windows 8, Windows10, Windows Servers 2003, 2008, 2012, Red Hat Linux 6.5, and CentOS 6.7. Outstanding track record for Troubleshooting Windows and Linux Servers and Networks related problems. Experience in installing, configuring and managing Windows and Linux Servers.
• Often sought out to resolve complex technical problems.
• Network Security Network Infrastructure Oral/Written Communication
• Training Configuration/Installation Project Management/Leadership
• In - house support Remote support Design/Test/Monitor/Imaging

TECHNICAL SUMMARY:

• Worked with CentOS Linux 6.7 and version 7, Redhat Linux 6.5 and 7, Windows7, Windows 8, Windows Servers 2003, 2008 2012, and MAC OSX Administration.
• Tested administrated, and configured, CentOS, Red Hat Linux Windows/2008/2012 Servers.
• Configured and managed, TCP/IP, DHCP, and Static servers.
• Internet Information Server (IIS), Domain Name Service (DNS), Apache Web Services
• Experience using Microsoft Office 2010 and Office 20013.
• Configured, managed VMware VSphere 5.5, Vcenter 5.5, VMotion 5.5 and Operation Manager 5.5, Veritas NetBackup and Veeam Backup V8 Software.
• Used the following applications and management tools: Arcserv for Windows Servers, Symantec Backup Exec 2012, Symantec Ghost 14.0, Veritas NetBackup 7.0 and 7.5, Cisco VPN Client Software,
• Experience using Bash Shell, PowerShell and VMware-PowerCLI Scripting Tools.

WORK EXPERIENCE:

Confidential, Washington, DC

Network Engineer

Responsibilities:

• Serve as a member of a team that consisted of 2 Network Engineers, which we provides the day to day management and support for the VMware Enterprise Network that consisted of at least 200 Virtual Servers. This environment consisted of Vcenter 6.1 Server Appliance, one Datacenter, three Clusters each consist of 5 Confidential Hosts.
• I supported various, Virtual Servers such as Windows 2008 AD Server, Windows 2012 File and Print Servers, Windows 2008 SharePoint Server, Citrix 6.5 Xenapps Servers and several CentOS and Redhat Linux servers. performed:
• Managed and Supporting the VMware Virtual Environment by using Confidential and managing the log files.
• Monitor Performance and utilization of all the Virtual Machines, using Solarwinds Virtualization Manager Tools Version 6.2.
• Managed spaces on the Datastores by deleting old files.
• Updating Virtual Server, Templates with the latest patches and updates.
• Making Snapshots of all the before and after updating Virtual Servers.
• Backing Up the Virtual Environment, using Veeam Backup V8 Software.
• Created new Guest Virtual Guest Machines.
• Managed updates by using VSphere Update Manager Tools.
• Responsible for supporting and managing all the Windows 2008, 2012 And CentOS Virtual Servers.
• Provides general Microsoft Windows AD management and LAN administration, such as Creating new user accounts, managing GPO, creating Security and, Distribution Groups.
• Created and deleted Shared folders on the Windows 2012 File Servers.
• Created Network Printers on the Windows 2012 Print Server.
• Tested and supported applications, on the Citrix Xenapps Servers.
• Managed client remote connection to the Xenapps Servers.
• Provisioning servers such as installing operating systems, using the ISO.
• Migrate Physical servers to Virtual machines.
• Design and Implement ESX Clusters, HA, DRS, Vswitches, Distributed Switches.
• Troubleshoot and Resolve VMware issues from Performance to Configuration.
• Provided Desktop Support for Local Applications, Logon issues, accessing resources such as printers, files, and email. Replace and repaired Hardware such as Hard drives, Memory System Boards, and Printer Parts.

Confidential, Washington, DC

System Administrator

Responsibilities:

• Serve as a System Administrator for the Washington Office. My duties consisted of providing support in configuring, troubleshooting and maintaining Linux VMware 5.5 infrastructure for a mid-sized Network Enviroment.
• Provide ongoing management, performance-tuning and Tier3 support for approximately 100 Virtual Linux Servers running CentOS 6.7, Red Hat Linux 6.5 Enterprise, and about 10 Physical servers such as Confidential Power Edge, and Confidential ProLiant Servers. Other duties, performed:
• Provides the day to day management and support for the VMware Enterprise Network that consisted of a Vcenter 5.5 Server Appliance, Datacenter and several Clusters. Managing the log files. Monitor Performance and utilization of all the Virtual Machines, using Solarwinds Virtualization Manager Tools Version 6.2. Managed spaces on the Datastores by deleting old files. Updating Virtual Server, Templates with the latest patches and updates.
• Making Snapshots of all virtual servers before and after updating Virtual Servers. Backing Up the Virtual Environment, using Veeam Backup V8 Software. Created new Linux Virtual Servers. Managed updates by using VSphere Update Manager Tools.
• Patching, security updates, install applications, create local accounts, create share Directory, access rights to folders, mount drives and make a snapshot of the virtual server. Enforce Password Polices. Performed Red Hat Linux Server Updates from Redhat Satellite Server. Backup Physical Servers using Symantec Backup Exec 2012.
• Configured Server Raid 5 for fault tolerance. Add additional memory to servers. Replace or add network cards, iscsi cards, and update the Firmware. Configured and support Confidential StorageWorks MSL5000 Autoloader Tape Backup Server.
• Responsible for installing/supporting Linux, Apache Web Server, Mysql, Pnp, Nagiosix, PnPMysqlAdmin, LMD Server, Puppet Enterprise, and Snort Servers. Created Linux Scripts using Bash Shell Script. Install and configured CentOS 6.5 and Red Hat Linux 6.7 ISO. Install and support Tomcat version 6 application. Configured and support DNS, and DHCP services. Job Scheduling and Automating process using CRON. Supported Applications such Avid, INews, and Interplay Access.
• Creating new accounts, change passwords, assigned users to groups and enabling and disabling accounts.
• Creating files, directories, assigned permission to files or directories, assigning groups or users to files or directories, achieves and zip files or directories. Delete old files and directories. Editing files, using nana, vi, or vim editor.
• Configuring disk using Fdisk, LVM, and mount and unmount disks using fstab.
• Monitoring & troubleshooting with performance related issues using tools such as Top, Solarwinds, DF, DU, Kill PID, and reviewing the log files
• Monitoring system logs and root's email for important messages such as errors and warning.
• Resolve networks connectivity issues, using nslookup, dig, Nagios, and ping. Resolves tickets using Remedy Ticketing System.

Confidential, Washington, DC

Network Administrator

Responsibilities:

• Provide network technical support for the DC and CT office. I assist the IT Director, Miami’s network administrator, technology committee, and end-users.
• I installed, upgrade, and patching various software and hardware systems including Exchange 2007, I managed, Blackberry, Citrix, Xenapps servers, IronPort anti-spam servers, Symantec anti-virus servers and Windows ISA servers on a Windows 2003/2008 platforms. Maintain internal VPN, user accounts, security and troubleshoot performance issues. Configured and manage VMware, Confidential Blade, ProLiant servers, Confidential MSA storage units, Confidential Power Edge server and Confidential storage units.
• Maintain the LAN and WAN connections. Respond to network related problems in a timely manner.
• Supported Applications such as Autonomy Imanage Desk Site Document Management, Workshare Compare, E-Transcript Viewer, PayneGroup Metadata Assistance, Westlaw, LexisNexis, and Concordance.
• Perform network backup and disaster recovery Perform network backup and disaster recovery, using Symantec Backup Exec 2012. Participate in the development of IT policies, procedures and resources related to the network.
• Provides general Microsoft Windows Domain management and LAN administration and specialized support, troubleshooting and problem resolution. Provided desktop support as needed.
• Troubleshoot Server, PCs, Notebooks, and Cell Phones issues.
• Installed and managed Windows XP, Windows 8, Mac Apple X, and Windows Servers 2003, 2008, and 2012.
• Provides general Microsoft Windows AD management and LAN administration.
• Specialized support, troubleshooting and problem resolution in Exchange 2007 Email, Google Chrome and MS Internet Explorer. Configured client Outlook 2007 Profile for Exchange 2007.
• Managed Exchange 2007 Server, duties consisted of Managing User Accounts, Public Folders, backing up the Exchange Server, managed the Mailbox Stores and Public Folders Stores, using Veritas NetBackup .
• Managed and support RSA Server, created / deleted RSA Users Accounts, reset RSA Token for users.
• Monitor and configured computers performance, inventory, and updates, using Microsoft SMS 2000.
• Provide basic Network Administrator duties, such creating, deleting, and managing user accounts.
• Backup VMware environment using Veritas NetBackup Software .
• Configured and supported Cisco VPN Client Software.
• Installed and configured Verizon Wireless Network and Air Cards for client Notebook.
• Configured Cisco Aironet Wifi Adapter and Access point for client notebook.
• Managed client Citrix remote connection and Server.
• Managed and configured Ethernet Switches.
• Created Images for Desktops and Notebooks, using Symantec Ghost version 11.0
• Installed, upgrade, and patching of network hardware, and software components as needed.
• Maintain internal VPN, user accounts, security and troubleshoot performance issues.
• Maintain the LAN and WAN connections.
• Respond to network related problems in a timely manner.
• Perform network backup and disaster recovery, using Veritas NetBackup .
• Participate in the development of IT policies, procedures and resources related to the network.
• Assist in installation and imaging of computer systems for end-users.
• Assist in installation of end-user software.
• Manage VMware Virtual Servers using VSphere and Vcenter.
• Monitor the Firewall, for unauthorized intrusion.
• Configured and audit routers, switches, servers, and firewalls according to Company Standards.

Confidential, Washington, DC

Network Engineer/Security Specialist

Responsibilities:

• Review Servers, Firewalls and Routers logs for any security issues such as unauthorized access, logons, and intrusion attempts onto our Citrix Servers as well as our internal network Servers.
• Manage backup servers ensuring successful completion of nightly backups.
• Managed, monitor and trouble shoot network issues, using Confidential Openview, and LanScan NetQos, Netflow, and Confidential Open Manager.
• Managed and support AIX Server and Solaris 9 DNS Server. Configuring, managed, and implemented NetQos
• Monitor Performance Console tool, for monitoring all in house applications performances. Managed and supported DC Child Support Service System ( Confidential ) that ran on Solaris 10.
• The Confidential allow over 5,000 Washington, DC Residents access to their Child Support Account. I supported, Configured, Managed Confidential PowerVault NX3000 NAS, and Confidential EqualLogic PS4000 ISCSI Server.
• Perform network backup and disaster recovery Perform network backup and disaster recovery, using Veritas NetBackup .