SUMMARY:

• Windows Server, Red Hat Enterprise/SUSE Linux, VMware Systems Administrator with over 7+ years of experience in the area of Virtualization with Installation, Configuration, Administration, Support of Windows Server 2003/2008/2012, RHEL 5.x/6.x, and VMware ESXi 3/4/5/5.1/5.5/6.0, and vCenter Server 4/5/5.1/5.5/6.0.
• Expertise in Administering and supporting Windows Server 2003/2008R2/2012 Active Directory, DNS, DHCP, LDAP Sharepoint, Microsoft Exchange 2003/2010.
• Expertise in deploying various Red Hat Enterprise Linux 5.x/6.x/7.x builds both Physical and Virtual on HP/CISCO/IBM/Dell Hardware running ESXi.
• Expertise in Administering and supporting Windows 2003/2008/2012 Active Directory (AD), GPO’s Group Policy Manager, GPO Security Policies, AGPM (Advanced Group Policy Management), DNS, DHCP, WINS, Microsoft Exchange 2003/2007/2010/2013 and administration including creating mailboxes for all groups, users and Distributed Lists on Exchange.
• Expertise in configuring Flex - 10/Flex Fabric Shared Uplink Sets, SAN Fabrics on Virtual Connect Manager for BL460c, BL680c g6/g7/g8/g9 on HP C7000 enclosure.
• Experience setting up IT AUDIT controls, protecting information assets, to meet ITIL, SOX, PCI compliance standards.
• Expertise in deploying various Red Hat Enterprise/CentOS Linux 5.x/6.x/7.x builds both Physical and Virtual on HP/CISCO/Dell Hardware running VMware ESXi utilizing Satellite and Puppet/Cobbler servers.
• Experience in RHEL/CentOS 5.x/6.x/7.x Server provisioning, Upgrades, Patching, Configuration and Performance Tuning in Linux, and VMware environments.
• Expertise in designing build/configure documentation related to Red Hat Enterprise/CentOS Linux via Spacewalk/Satellite/Kickstart/Puppet/Cobbler servers.
• Experience creating and deploying packages, advertisements on collections for monthly security patch upgrades in SCCM 2007/2012.
• Expertise web server Administration, installing and managing IIS 6.0/7.0/7.5 web servers and hosted internal web applications.
• Expertise in the area of Virtualization with Installation, Configuration and Administration of VMware ESXi 4.1.1/ 5.0/5.1/5.5/6.0, and vCenter Server 4/5/6.
• Experience in assisting with the administration of Windows Server 2003/2008/2012 active directory and domains utilizing Power Shell Scripts.
• Experience writing both Power Shell and PowerCLI scripts to automate Virtual Machine builds and DNS entry configurations.
• Experience in configuring JVM heap configuration, thread pool and JDBC configuration to performance tune java applications running on WebSphere and Oracle RAC/ASM file systems.
• Experience setting up IT AUDIT controls, protecting information assets, to meet ITIL, SOX, PCI compliance standards.
• Experience implementing VMware Virtual Infrastructure environment that consisted of ESXi Server, multiple Virtual Center, vMotion, HA, DRS, VCB, Update Manager
• Expertise in creating bash/perl scripts to perform change control automation and assist with daily duties for help desk teams.
• Strong background in a disciplined software development life cycle (SDLC) process and has excellent analytical, programming and problem solving skills.

PROFESSIONAL EXPERIENCE:

Confidential, Dallas, TX

Windows Server/Linux/VMware Systems Administrator

Responsibilities:

• Responsible for capacity planning, design, install, configuration and support of newly provisioned servers.
• Installed, configured and managed the entire Windows Server 2003/2008/2012 environment running on HP/Dell/Cisco Hardware as well as VMware ESXi
• Create, maintain and transfer all packages/images to organized distribution points, as well as deploy all enterprise level monthly and bi-weekly packages through SCCM.
• Provision, installation and configuration and support of Windows 2008/2008R2/2012 Servers, upgrading Windows Server 2003 Active Directory to Active Directory 2008 and 2012 as well consolidating multiple DC’s as part of the refresh project.
• Daily management of Windows 2003/2008/2012 Active Directory (AD), GPO’s Group Policy Manager, GPO Security Policies, AGPM (Advanced Group Policy Management), DNS, DHCP, WINS, Microsoft Exchange 2003/2007/2010/2013 and administration including creating mailboxes for all groups, users and Distributed Lists on Exchange.
• Installing and configuring Red Hat Enterprise Linux 5/6 on ESXi 5.0/5.1/5.5 based environment residing on HP/CISCO UCS Blades as required for UAT/Production.
• Responsible for the installation, configuration and support of VMware and the daily management/monitoring of the virtual environment utilizing PowerShell and PowerCLI.
• Provide 24/7 support to Middleware application servers (WebSphere, Tomcat, JBoss), Webservers (Apache, IIS, HIS, Oracle IPlanet) and Database servers (Oracle RAC, DB2, MS SQL, MySQL)
• Installed and configured several thousand Red Hat Enterprise Linux 5/6/7, CentOS 5/6/7 Servers in both Physical Blade and VMware ESXi Virtual Environment.
• Provided various levels of support in a heterogeneous Linux/Solaris/AIX/Windows/VMware environment.
• Preparing servers for Oracle RAC/ASM installation which includes tuning the kernel, agent installation, adding SAN storage and help create ASM File Systems.
• Configuring and Administering SSH, SFTP, HTTP, SMTP, NFS, DNS, NIS, NIS+ and LDAP on RHEL server environment.
• Design and implemented robust shared storage High Availability Environment using Red Hat Cluster Suite and Pacemaker cluster resource manager.
• Create and Setup monitoring bash shell/Perl scripts to monitor system resources, logs, disk usage, scheduling backups and restore.
• Installation of ESXi 5.0/5.1/5.5/6.0 Hosts, vCenter Server, vCenter update manager and administering VM’s across 3 Datacenters running 2200 VM’s.
• Configure Windows Multipathing policies to configure multipathed LUNs from NetApp FAS Solutions 6240, 6080’s, 3270’s, 3070’s
• Configuring and Administering NFS, DNS, CIFS, FTP, SFTP, robocopy and LDAP on Windows Server 2003/2008/2012 server environment.
• Configure and maintain Cisco-based, Ethernet WAN's / LAN's were troubleshoot and issues triaged to contract support vendors
• Modify domain users/groups along with local users/groups utilizing both UI and CMD based commands to create new permissions, create new LYNC accounts on the LYNC server and Extend Mailboxes on Exchange 2010 server.
• Planning and configuring new internal & external websites utilizing IIS 6.0/7.0/8.0.
• Deploying and troubleshoot .Net based Applications and Java based apps on IIS 6.0/7.0/8.0
• Configure and upgrade HP C-7000 Flex-10/Flex Fabric Shared Uplink Sets, SAN Fabrics, and Server Profiles on Virtual Connect Manager for BL460c, BL680c g6/g7/g8/g9 on HP C7000 enclosures.
• Setting up Avaya and Cisco VOIP systems as well the desk phones including voicemail and greetings.
• Provide 24/7 support in a 99.999 environment to maintain maximum uptime and ensure server reliability in a large SAP environment using monitoring products such as SCOM and MOM.
• Configure and maintain MSCS (Microsoft Cluster Server) while utilizing VMware RDM feature.

Confidential, Madison, WI

Windows/Linux/VMware Systems Administrator

Responsibilities:

• Built Windows Server 2003/2008/2008 R2/2012 Servers - clustered and non-clustered, on standalone and blade servers including IIS Web Servers, SCCM Servers and .NET application servers.
• Configuring ILO, Configuring RAID 1/5, Installing OS W2K3/W2K8/W2K8R2 SP1, setting up VLAN, configuring NIC teaming etc.
• Administering/Supporting production servers/network infrastructure that includes Windows Administration of Domain Controllers, Exchange 2003/2010 Mail Servers, DNS, DHCP, File and print Servers on Windows 2003/2008/2008 R2
• Deploy RHEL 5.x, 6.1/SUSE 10.3, 11.1 in an blade environment and configuring any hardware requirements (Flex 10/VC-FC) based connections
• Maintain and deploy High End applications developed using WebSphere and JBoss Application Server running on RHEL 5.x and 6.x.
• Installed & configured Windows 2008/2012 with Active Directory service. Responsible production support of Active directory (AD), GPO, Domain users, Users and groups and given appropriate permissions, shares and privilege to access LAN and Domain environment
• Performed Virtual Machines backup, snapshots, cloning, P2V and V2V conversion using VMware stand-alone convertor
• Creating/Managing Virtual Machines, creating clones and templates/images for deploying VMs, audit them for perfection and manage utilities and applications installed on those VMs
• Coordinate hardware and software installations and upgrades to ensure work is performed in accordance with company policy. Recommends resolutions to complex matters of significance and coordinate the implementation of the approved course of action
• Responsible for quickly troubleshooting high priority issues for end client, related to Windows OS and HP Blade servers in full-fledged production network.
• VMware Environment had 3 Virtual Centers, 7 Data Centers, 11 Clusters, 430 ESXi hosts and 3000 VMs; HP Proliant Blade servers for various clients.

Confidential, Omaha, NE

Windows Server/Linux/VMware Systems Administrator

Responsibilities:

• Assisted various senior level linux architects in installing, configuring and managing Red Hat Enterprise Linux 5
• VMware implementation and expansion work. Creation & troubleshooting of Virtual Network, ESX/Hyper-V & Virtual Machines. Creation of templates from VMs and deploying VMs from templates.
• Installed, configured & administer Windows 2003/2008 Standard and Enterprise Servers including installing IIS, .NET applications and Java Applications.
• Installing Maintenance Levels and updates on Wintel/Windows Platform.
• Worked with object oriented software development methodologies and practices across all phases of the Software Development Lifecycle
• Involved in the installation, monitoring and support of firewalls, Cisco networks, perimeter security technologies, Internet technologies and remote office WAN/ LAN connectivity
• Managed Domain Controllers and Additional Domain Controllers.