PROFESSIONAL SUMMARY

Over 15 years of experience in System Administration on Linux, Unix and Microsoft platforms with a secondary emphasis on IBM AIX and Sun Solaris operating systems. Well versed with client/server design, administration and implementation. I posses a high degree of understanding of TCP/IP and related networking protocols. I also have extensive troubleshooting skills covering several Operating Systems and Client/Server applications as well as various hardware platforms. Able to install and configure both UNIX and Linux operating systems as well as Windows Servers. I have experience updating and compiling the Linux kernel, device drivers including applications for distribution via RPM. I have also worked in depth with several Open Source development and deployment tools as well as lengthy experience with Perl scripting for system administration and task implementation.

SKILLS

Redhat 6.x/5.x/4.x, Suse Linux Enterprise Server 9.x, 10.x, Xen 3.3, JBoss 4 / 5, JIRA, CFEngine, Puppet, Splunk, Sitescope, Nagios, Microsoft Windows 7, XP,2008, Mercado CSN 4.6/4.2/3.2, Apache SOLR, Apache Web Server, Tomcat, Maven, Ant, Samba 4.x, Macintosh OSX, MySQL 5.x, Perl, RPM package management, Sun Solaris 10, 9, 8, IBM AIX 6.0/5.3, Microsoft Exchange 2003, BIND 8.x, 9.x, Legato Networker 6/7, Perforce, Cruise Control, Subversion, CVS

• RedHat RHCT 5
• RedHat RHCSA 5

PROFESSIONAL EXPERIENCE

Confidential

Responsible for Administration of multiple client sites

• Deployed and configured Open Text's Exceed on Demand to multiple client sites.
• Helped client implement their migration plan moving users from multiple Linux and Windows workstations to a Windows only environment.
• Responsible for deploying multiple software packages in mixed server environment.
• Helped client identify and consolidate server resources in a mixed heterogeneous environment.
• Responsible for server build and deploy
• Responsible for system monitoring and responding to issues within clients mixed hardware environment
• Responsible for maintenance of NIS environment at multiple client sites
• Maintained multiple Samba file servers at multiple client locations.

Confidential

• Responsible for designing and implementing Confidential monitoring solution for the Evisions production environment.
• Migrated Monitoring solution from Confidential
• Responsible for setup and deploy of software updates to the production environment.
• Responsible for setup and maintenance of Netapp/nfs mounts.

Confidential

• Responsible for designing and implementing upgrade path for RHEL 5.x servers.
• Set up and configured RHEL Yum repository.
• Implement upgrade path for Avaya AVP 5.1 and Experience portal 6.0
• Responsible for PCI compliance
• Packaged software in RPM format for system deployment.
• Responsible for monthly patch updates.
• Responsible for setup and maintenance of Netapp/nfs mounts

Confidential

Systems Engineer / Administrator

• Member of the site operations team responsible for the nike.com domain.
• Interfaced with both developers and QA to facilitate development and testing.
• Migrated ticketing system from RTView to JIRA
• Responsible for updating SSL certs on nike domains.
• Implemented Apache rewrites and redirects.
• Managed AWS / VMWare virtual servers running Redhat 5
• Managed Amazon Route 53 DNS entries.
• Integrated JBoss and Tomcat instances with Apache
• Responsible for updating development and QA java apps.
• Updating of puppet modules for server automation.
• Responsible for setup and maintenance of Netapp/nfs mounts

Confidential

Systems Administrator/Engineer

• Team member responsible for daily operations of the production Overstock.com web site and domain.
• Primary administrator and contact for 50 node production search cluster for the Overstock.com website running Mercado CSN 4.6 on Redhat Advanced Server 4 update 5.
• Implemented 50 node search cluster and helped to migrate the Overstock.com web site from the Endeca search engine to Mercado CSN 3.6, 4.2, 4.6
• Designed and Implemented the upgrade path from Mercado CSN 3.6 to Mercado CSN 4.2 to Mercado CSN 4.6
• Designed and implemented a Perl based indexing script for Mercado CSN using both custom and standard Perl modules which integrated with both Mercado CSN and vendor specific hardware.
• Team member and primary administrator responsible for implementation and administration of a 10 node Oracle Coherence caching cluster.
• Responsible for deploying updates, upgrades, and patches to the Overstock.com website.
• RPM package creation for application management and distribution.
• Managed the Overstock Xen infrastructure for development and testing.
• Integrated Tomcat instances with Apache.
• Responsible for deploying Java apps to production web site.
• Created and updated CFEngine modules for server automation.
• Managed CVS code repository.
• Secondary administrator for AIX P5 environment.
• Implemented replicated Splunk environment utilizing MySQL.
• Responsible for setup and maintenance of Netapp/nfs mounts

Confidential

Systems/Network Engineer - Deployment Engineer

• Designed, deployed and managed enterprise wide MS Exchange 2003 groupware solution utilizing both OWA and RPC over HTTPS protocol for secure message transmittal and group scheduling.
• Designed, implemented and managed an enterprise wide backup solution comprised of VERITAS Backup Exec. Servers for local and remote backup of Windows/Exchange 2003, Redhat Enterprise Linux, and Solaris 10 servers.
• Primary contact and responsible for build out, configuration and deployment of web based java application on both Windows and Linux servers utilizing Apache 2.x web server, Apache Tomcat 5.0.28 servlet container, JBOSS Application Server 4.x, Jakarta connector 1.2, Oracle 10g, Apache Ant and Apache Maven, BEA JRockit as well as Sun's JDK.
• Configured and integrated web services with US Postal Services AMS database and ESRI's ArcGIS/ArcIMS GeoCoding server.
• Designed and Implemented firewall solution to secure LAN data and services. Implemented DMZ to segregate and secure the LAN from internet accessible servers.
• Responsible for administration and installation of Perforce VCS server, localized Maven repository and software build environment and servers consisting of Luntbuild and Cruise Control build servers.

Confidential

Contractor / OS - Websphere Transition Engineer

• Member of engineering team responsible for build out of Sun Solaris, Windows Server 200x and Red Hat Enterprise Linux v2.x servers on Dell, HP, Compaq, and Sun Sunfire Enterprise hardware.
• Engineer and document standard web and application server OS component builds
• Engineer and document the Operating System deployment process on standard platforms
• Maintain engineered solutions
• Provide solutions to OS build team in server builds
• Provide support to SA teams to resolve Operating System performance and availability issues when requested
• Handle technical escalations from Team Lead or Tech Lead
• Responsible for scripting and implementing build out, rpm and kernel upgrade scripts
• Team member responsible for guiding projects through the WebSphere development and testing environments and into steady state production.
• Document processes and procedures regarding implementation and upgrade of Web Sphere Application Server 4.x, 5.x

Confidential

Contractor Systems/Network Engineer

• Team member responsible for migration of the Phoenix Elementary School District PESD from Novell Netware/GroupWise to Microsoft Windows 2003/Exchange 2003.
• Helped implement mailbox and data transfer of over 400 user accounts from Novell Netware/GroupWise to Microsoft Server 2003/Exchange 2003.
• Provide technical assistance in issue resolution regarding Exchange 2003, Outlook Web Access and the Microsoft Outlook Client versions 2000/XP/2003.
• Responsible for documentation of processes regarding management and administration of Exchange.
• Worked to ensure PESD staff was trained in management and administration of Microsoft Server 2003 and Exchange Server 2003.

Confidential

Systems/Network Administrator

• Sole in house administrator for global printing organization providing multi faceted support to local Clientele, remote mobile clients and international sales force.
• Redesigned and implemented new network topology consisting of multiple routed VLANs over 3Com and Cisco switches and routers.
• Administered and supported 3Com NBX IP Telephony call processor. Responsible for OS updates, dial plan configuration and hardware upgrades.
• Designed and implemented IP telephony solution linking remote site to corporate LAN, providing phone, fax and network access to corporate LAN and resources.
• Primary administrator for multiple in house servers running Red Hat Linux, Windows NT 4.0/2000/2003, Mac OSX Server and Novel Netware 4.0.
• Responsible for Enterprise wide system backups including local and remote mail, LDAP, DNS, web, SAMBA and database servers as well as 3Com NBX system backups.
• Provided desktop and application support to international work force of Windows 2000/XP clients and Apple Macintosh OS 9 and OS X clients.
• Migrated Red Hat Linux 7.1 workgroup server running on a Dell PE 3450 to Red Hat Linux 9.0 running on an IBM e3000 server utilizing an IBM Server RAID 5i SCSI RAID card.
• Designed setup and maintained an Apple Macintosh AppleTalk network utilizing the open source NetaTalk protocol running on Red Hat Linux 9.0.
• Implemented Linux IP Tables firewall providing support for 802.1q VLAN packet tagging and routing
• Designed and implemented database interface for monthly processing of store reports
• Responsible for tracking and documentation of system modifications and outages.
• Worked with hardware and software vendors to ensure a quick resolution to outages related to either. Primary contact for hardware failure and outages related to enterprise or desktop systems.
• Responsible for hardware procurement and design specifications.

Confidential

Volunteer Systems/Network Administrator

• Designed and implemented Local Area Network for Midvale Boys Girls Club.
• Installed and configured Microsoft Windows 95/98/XP OS on desktop PC s.
• Configured ADSL network connection to ISP for Internet access for all hosted PC's at networked sites.
• Instructed personnel on fundamental networking practices including software installation, account creation and basic system administration

Confidential

Systems / Network Administrator

• Designed and implemented Active Directory Schema for Windows 2000 domain, central logging server for UNIX environment and web based monitoring of networked systems including printers, hosts, and network services.
• Installed and administered Exchange 2000 Mail/IIS/Chat server including SMTP gateway running on Red Hat Linux 7.1.
• Responsible for Apple Macintosh AppleTalk network running on Red Hat Linux 7.1 utilizing the NetaTalk protocol.
• Managed several in house databases running Oracle 8.0.5, SQL Server 2000, MySQL and PostgreSQL
• Responsible for primary DNS and web services, firewall, network backups utilizing Legato Networker 6.1, internal Windows 2000 and UNIX, Linux, WINS, DHCP and Samba servers as well as third party co-located web and database servers.
• Helped support mixed clientele of Apple Macintosh laptops and G4 systems as well as Windows 2000 laptop and desktop clients.
• Responsible for system configuration, maintaining and applying patches, updates, service packs, and patch bundles on over 25 systems from Microsoft, Sun, Redhat, Compaq, and Dell.
• Automated system administration of UNIX/Linux servers via shell scripts in BASH/Korn Shell and Perl.