10 years experience IT professional focusing on leveraging VMware, Citrix, storage and Microsoft technologies to solve complex business needs.
Technical Skills |
- VMware vSphere 4 and 5, VMware VI 3. ESX/ESXi and cluster deployment, configuration, management.
- Dell Equallogic, EMC Clariion CX Series SAN deployment, configuration, management.
- Citrix Presentation Server/XenApp Server 4.0, 4.5, 6.0. Server rollout, farm deployment and management.
- Citrix Netscaler, Citrix Access Gateway, Citrix Secure Gateway, Citrix Web Interface.
- Active Directory. Design, configuration, management, upgrade, troubleshooting.
- Group Policies. User and computer settings, security settings, software deployment.
- Performance monitoring and analysis of Windows, VMware, storage systems.
- Operating Systems. Windows XP-Windows 7, Windows Server 2003-2008-2012, Linux.
- Networking. Switch, firewall administration.
- Network Administration. DNS, DHCP.
- Scripting. VBScript, Powershell.
- Nagios Network Monitoring System 2.5 3.0, NagiosGraph. Deployment, management.
- Server hardware installation, RAID configuration. Dell/HP/IBM servers, Cisco UCS blade servers.
- Microsoft Exchange 2003/2007/2010.
- Microsoft SQL 2005/2008.
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Professional Experience |
Infrastructure Engineer | Confidential |
- Designed and built new vSphere 5 environment with multiple HA clusters.
- Migrated VMs from multiple standalone ESX3.5 and ESX4.0 hosts into the new clusters.
- Performed P2V migrations of servers running on older hardware.
- Created and maintained templates for rapid deployment of production servers during the company's busy season.
- Deployed and configured EMC CX4-240, HP P2000 Fiber Channel SANs and Dell Equallogic iSCSI SAN to provide shared storage for vSphere 5 environment and physical Windows clusters.
- Installed and configured Brocade fiber switches.
- Built a separate Windows 2012 Active Directory domain environment to support new product development.
- Implemented Nagios 3.0 Network Monitoring System.
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Senior Infrastructure Engineer |
- Maintained internal VMware vSphere environment at two data centers running over 400 Virtual Machines.
- Performed configuration, troubleshooting and assessments of customer vSphere environment.
- Consolidated several separate ESX clusters into a virtual datacenter managed by single vCenter server.
- Upgraded VMware vSphere environment from version 4 to 5 by upgrading ESXi 4.x hosts and rebuilding ESX 4.x hosts.
- Deployed new ESXi hosts into existing clusters to support company's growth.
- Performed P2V server migration to allow for retirement of older hardware.
- Improved Virtual Infrastructure performance by implementing best practices from VMware and storage vendor.
- Implemented VMware Update Manager to streamline ESX/ESXi host patching and updating.
- Managed the SAN running on Dell Equallogic arrays.
- Consolidated multiple existing arrays into a single Equallogic Storage Group providing greater flexibility of data migration and increasing overall SAN performance.
- Installed, configured and maintained Dell Equallogic SAN HeadQuarters to obtain detailed array performance statistics and hardware health information.
- Deployed and configured Citrix XenApp 6.0 servers for new and existing customers.
- Provided Tier III Citrix XenApp support for hosted desktop customers.
- Planned and implemented seamless upgrades of server racks redundant circuits from 110V to 208V to improve power consumption efficiency and increase server rack density.
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Network Administrator |
- Provided support for Windows 2000/2003/2008 environment of over 400 servers.
- Administered Active Directory in multiple production and development domains.
- Developed and implemented Active Directory upgrade plans to upgrade multiple Windows 2000 domains to Windows 2008 or Windows 2008 R2 level.
- Designed and implemented multi-domain Active Directory Forest as part of domain consolidation project.
- Implemented Group Policies to streamline configuration and security settings deployment on new servers.
- Provided support and troubleshooting of Citrix Presentation Server environment across multiple 1.8, 4.0 and 4.5 farms serving over 1000 users.
- Built XenApp 6.0 test farm to perform compatibility testing of existing production application.
- Performed OS upgrades of Citrix Access Gateway HA cluster to maintain security compliance.
- Configured Citrix Access Gateway and Web Interface to provide support for iPad and iPhone devices.
- Performed upgrades and customization of Citrix Web Interface sites.
- Deployed KMS Volume Activation solution across all domains to automate activation of Windows 2008 and Windows 7 operating systems.
- Installed, configured and cloned VMs in VMware Virtual Infrastructure 3.5 and vSphere 4 environments.
- Created scripts to automate manual and time consuming tasks such as maintenance, configuration, and reporting.
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Network Administrator |
- Provided support for Windows 2000/2003/2008 environment of over 250 servers.
- Administered Active Directory 2000/2003 DNS, DHCP, WINS.
- Created and managed Active Directory Group Policies to support user settings and software requirements.
- Managed Citrix Presentation Server/XenApp farm for over 100 remote users and clients.
- Performed upgrade of Citrix Presentation farm from version 4.0 to 4.5, redesigning many components of the farm architecture to meet company's growing requirements.
- Implemented and managed Citrix Secure Gateway remote access solution.
- Implemented Citrix NetScaler load balancer appliances in high availability cluster. Configured and managed numerous URLs supported by multiple backend web servers.
- Managed Nagios Network Monitoring System, improving default installation by utilizing custom features and optimizing settings. Conducted training for IT department.
- Installed, configured and managed VMware vSphere 4 environment.
- Performed administrative tasks on EMC Clariion CX400 and CX500 SANs.
- Created scripts to automate manual and time consuming tasks.
- Analyzed Windows server performance using PerfMon and other third party tools.
- Managed SSL certificates on IIS 6.0 servers, ISA servers and Citrix NetScaler appliance.
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Senior Client Support Analyst |
- Provided PC support to users with hardware, software and network connectivity issues.
- Imaged and configured PCs for deployment.
- Assisted Network Administrators in building servers, monitoring backups and applying MS security patches on Windows servers.
- Obtained Unescorted Access to Exelon Nuclear Plants.
- Provided support at Peach Bottom Atomic Plant during the refueling outage.
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PC Deployment Technician |
- Built and configured PCs for deployment performing user data backup and restore.
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System Administrator |
- Provided infrastructure and desktop support in a fast-paced environment.
- Administered network with NT4.0 Domain and Active Directory 2003.
- Administered Exchange 5.5, Exchange 2003, and Blackberry Enterprise Server.
- Insured network security using Symantec Antivirus Corporate Edition 10.0, McAfee GroupWare 6.0 for Exchange 2003, Symantec Brightmail 6.0 Antispam Server.
- Administered EMC Clariion CX600 SAN. Implemented changes to RAID Groups, LUNs, and Storage Groups.
- Performed server builds and configurations.
- Deployed and managed Microsoft IIS4, IIS5, and IIS6 web servers. Configured log processing scripts for statistics collection using Perl. Managed SSL certificate.
- Designed, implemented and tested High Availability and Disaster Recovery of Oracle 8i Database and Fileserver using Double-Take 4.4 by NSI Software.
- Created network and procedure documentation using MS Office and MS Visio.
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Help Desk Intern |
- Provided support to faculty and university staff with hardware, software and network connectivity issues.
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