Professional Summary: • Information Technology Professional with wide range of experience • Architected offsite DR datacenter for NFL - lone Systems resource sent to DR facility to manage and coordinate installation and implementation. • Planned & implemented datacenter relocation for Earthtech to new site • Extensive experience supporting a 24/7 high availability environment • Ability to adapt to various business environments including Financial, Aerospace, Engineering, Entertainment, Publishing and DOTCOM Technical Skills: Operating Systems: Red Hat Linux (RHEL 6.0), CENTOS-Linux 5.7, SunOS/Solaris 2.8-2.10, Netapp Ontap 8.0, Windows 2003 server, HPUX 10.2 Storage(NAS/SAN): Netapp (2000/3000 series), EMC (Clarion/DMX/VNX), SUN (5320, 6140, Netra, T3), Hitachi 9990V, StorageTek SL500 tape library Virtualization: VMware (Vcenter 4, ESX 4.1) Configuration: Puppet, Jenkins, Foreman Webapps supported: Apache 2.2, Tomcat 6.0, PHP Scripting: Shell (bash, korn, bourne), Perl Revision Control: SVN, git CDN: Akamai, Limelight Load balancer: F5 BIG-IP 10.2.3, Netscaler LDAP: Likewise Databases supported: Oracle10G (DB), MYSQL Clustering: Veritas Cluster 4.1 Monitoring: Nagios 3.2, Cacti, Ipsoft, Zabbix Applications utilized: Squid 3.0, Mule 3.0,Atlassian(Confluence/Crowd/Fisheye/JIRA), Veritas NetBackup 7.1, Veritas Volume Manager 4.1, Solaris Volume Manager, ZFS, Jumpstart, Autosys 4.5, Solaris zones Business Applications supported: Oracle10G (DB), MYSQL, Documentum (CMS), Teamsite/Mediabin 7.1 (CMS) Server Hardware: Cisco UCS Blade server, SUN Blade server, SUN midrange servers (4200/4600/V490/4450), DELL R610/R810, HP 700 series/C110 Environment: Client/Server, TCP/IP

Senior Systems Engineer @ • Over 1200 Unix hosts (1000 virtual/220 physical) • 90% Linux (RHEL 6.0/CENTOS), 10% Solaris (2.10) environment on SUN/DELL/Cisco (UCS) platforms • VMware for virtualization (including OVF, Vmotion, VCACS) • Assisted in VMware Tools upgrade • Use of Veritas Cluster for host clustering • Puppet/Jenkins/Foreman for content distribution/configuration (created shell script to automate Puppet file deploys) • Use of LAMP & Tomcat for websites • Assisted in migrating MYSQL databases • Assisted in PHP upgrades • Project lead to migrate storage for 95 hosts in order to decommission Netapp 3070 • Use of IPsoft and Zabbix for enterprise-wide monitoring • Responsible for support of Digital assets • Use of SVN & GIT for revision control • Use of Likewise for LDAP • Pariticipated in physical-to-virtual migration of hosts to reach 90% virtual enterprise-wide Environment From May 2012 to Present (3 years 6 months) Senior Unix Systems Administrator @ Administered and maintained 50 Linux (RHEL 6.0/CENTOS) and 140+ Solaris 10 servers servers, on SUN/DELL platforms. Began virtualization of enterprise-wide environment using VMware with DELL servers Provided 24/7 Unix enterprise infrastructure support Supported major high-traffic international sports website Assisted in architecting DR datacenter. Lone NFL resource sent to DR facility to manage and coordinate installation and implementation. Use of VMware on DELL for DR server virtualization. Migrated enterprise-wide storage from SUN 6140 to Netapp 3240 Assisted in design and implementation of Development server environment Use of offsite web-caching with Akamai CDN Maintained site-wide DNS with UltraDNS Provided support for DEV/QA teams Monthly web-code deployments. Provided scripted automation for which decreased deployment Time from 1 hour to 15 mins Utilized F5's for load balancing, VIP configuration and traffic monitoring Provided infrastructure support of CMS (content management) applications, Documentum and Teamsite Use of Mule for external content ingestion Use of Squid for internal caching and outbound proxy to vendors Use of Atlassian Confluence & Crowd for documentation Use of Atlassian Fisheye (SVN) for code version control Use of SUN LDAP for user authentication Maintained & monitored backups using Netbackup with a Storagetek SL500 tape library Provided in-house Gameday support on Sundays during NFL season. Support included maintaining group chats, monitoring traffic using F5 and Akamai portals, system/app monitoring using Nagios and coordinating efforts with DEV teams From July 2007 to April 2012 (4 years 10 months) Senior Unix Systems Administrator @ Administered and maintained 300+ SUN Solaris 9 & 10 servers Provide 24/7 Unix enterprise infrastructure support Configured SUN servers for use with EMC SAN (Clarion & DMX) Create and maintain Unix scripts for task automation, monitoring and performance analysis Use of Veritas Cluster 4.1 & Veritas Storage Foundation 5.1MP3 Volume management using Solaris Volume Manager and Veritas 4.1 Volume Manager Provide Veritas NetBackup 6.5 support Maintain and provide NCFTP support Extensive use of Solaris Jumpstart to build and configure servers Deploy O/S patch updates to Sun Solaris Responsible for maintaining CA Unicenter Autosys Job Scheduler SUN Hardware upgrades, repair and troubleshooting Provide Apache support Security assessment and hardening of Sun OS Remediate Unix to SOX compliant standards Experience with data center relocations From February 2005 to July 2007 (2 years 6 months) Senior Unix Systems Administrator @ 10 servers, 100% SUN (SunFire V280 & V880, 6500, 5500, 420R) w/Solaris 6 & 8 Coordinated/implemented a Datacenter move to new building Volume management using DiskSuite(4.1 & 4.2.1) & Veritas 3.4 Volume Manager Installed & configured SAN storage array (HP StorageWorks 1000) System monitoring using Big Brother Use of Veritas Netbackup 4.5 for backups to SUN L40 Tape Library Firmware upgrades & installation of storage devices (T3's, D1000's) Support of Oracle 8i & Oracle Applications 11.0.3 SUN patch updates Support of REVEAL applicaton on DELL 2500 (W2K) servers Support of HYPERION on six DELL 2650 (W2K) servers Tested 2.6 to 2.9 upgrade, including Netbackup & Veritas VM patches Use of Powerpoint, Word, Excel & MS Project for documentation From May 2003 to February 2005 (1 year 10 months) Senior Unix Systems Administrator @ 200 servers, 85% SUN (Ultra 60, 220R, 420R, V280, Netra-T1) w/Solaris 6, 4% HP (K570) w/HPUX 10.1, 1% IBM (660) w/AIX 4.3, 10%NetApp (740, 840) w/On-Tap 6.0.1; Department lead for NIS, system monitoring & networking DNS & Sendmail secondary support Supported Web services area using Netapp 740 & 840's, Netra T1's and Cisco 2948 switches Use of Veritas VM & Solaris DiskSuite for volume management Created DR processes for DNS, NIS & Web Services Installed & configured APACHE(SSL) & Iplanet web servers Use of Sun A5000's, Netapp & Winchester Flashdisk for storage Installed and configured COPS, Tripwire, SSH & sudo for security Installed & configured procmail & majordomo for enhanced mail support Maintained software licensing using flexlm & SamSuite Use of Autosys for job scheduling Networking duties included architecting isolated private network (using Cisco 6500 switches with 2 GIG trunking), upgrading all servers to 100FDX or Gigabit (fiber) connectivity Installed and customized Big Brother for campus-wide system monitoring Use of Powerpoint, Word, Excel & MS Project for documentation SUN patch updates From August 2000 to May 2003 (2 years 10 months) Senior UNIX System Administrator @ 50 servers, 100% SUN (Sparc 20, Ultra 5 & 60) w/Solaris 6 Installed & maintained the following firewall services - DNS, SMTP (sendmail), Netscape Proxy, SOCKS, Smartfilter, Gauntlet, NTP, Samba, FW-1; Installed and maintained system monitoring tools BMC Patrol and Big Brother Installed SSH, sudo and Tripwire on all servers for system security Installed Y2K patches and responsible for upgrade of all systems to Y2K standards Responsible for configuring jumpstart for environment (created web-based interface) Use of rsync & shell scripts (Perl, csh, bourne) for system hardware reporting, user account reporting, file/directory pulls for repositories From November 1998 to August 2000 (1 year 10 months) Senior UNIX System Administrator @ Advanced UNIX System Administrator 75 servers, 1200 clients, 70% SUN (Sparc 20, Ultra 2, Netra T1) w/Solaris 5, 30% HP (715, 735, C110, J2000) w/HPUX 9.0 Use of Jumpstart, Netdist & Ignite-UX fro system builds Use of Tivoli for map automation Powerchute with APS UPS Created shell (csh, bourne; scripts for system monitoring and automating jumpstart Responsible for building and installing application servers, print servers and boot servers From April 1996 to November 1998 (2 years 8 months)

B.S, Electrical Engineering Degree @ San Jose State University David Duarte is skilled in: Shell Scripting, Solaris, Disaster Recovery, Linux, Unix, Perl, Troubleshooting, Scripting, Agile Methodologies, Data Center, VMware, MySQL, Oracle, HTML, Java, High Availability, System Administration, Netbackup, Software Documentation, SAN