SUMMARY:

• 16 Yrs UNIX Administration
• 10 Yrs Linux - RedHat/ SuSE
• 16 Yrs AIX
• 10 Yrs Solaris
• 4 Yrs Scripting
• 3 Yrs VMware
• 3 Yrs Storage Management
• 9 Yrs Designing and Building UNIX Environments

TECHNICAL SKILLS:

• UNIX RedHat
• AIX SuSE
• Linux Debian Linux
• Solaris 8/9/10 VMware ESX
• Windows NT-XP SGI-IRIX
• SCO RS/6000/SP
• Enterprise Servers T1000/2000
• Sun Microsystems Ultra 5/10/20
• IBM BladeCenter, IBM P series and Power 755.
• Oracle DB2
• MySQL
• Korn Perl
• C/C++ TACL
• HTML
• WebSphere MQ SAN
• Apache LDAP
• Sendmail Visio
• Informix WAS
• TCP/IP Tivoli
• SMTP WCTP
• TNPP SNPP
• Exceed Remedy
• Nagios

PROFESSIONAL EXPERIENCE:

Confidential

Sr. UNIX / Linux Administrator

Responsibilities:

• Installed and maintained third party software as required.
• Responded to users and clients request for FTP and SFTP services.
• Maintained shell scripts for web servers, stopped and restarted web server instances.
• Discussed technical and operating systems problems with team members.
• Installed UNIX (Solaris, Linux RedHat, OracleLinux, AIX, Oracle 11g) and third party software upgrades.
• Installed RedHat, ESXi, SuSE on IBM Blade Servers.
• Installed and maintained RedHat and SuSE Linux on IBM Power 710, 720, 730 and 770.
• Assisted clients in resolving UNIX operating system problems.
• Assisted clients in resolving FTP, SFTP and F5 issues.
• Provided UNIX (Solaris and AIX) training for helpdesk.
• Mounted Network Area Storage (NAT) - attached Datastores on UNIX/Linux platforms.
• Responsible for the timely completion of assigned projects and customer satisfaction.
• Responsible for timely application of security OS patches and third party software upgrades.

Confidential, TX

Sr. System Administrator

Responsibilities:

• Maintained UNIX/Linux operating systems on Sun Microsystems T2000, Hewlett-Packard platforms.
• Installed and maintained third party software as required.
• Responded to users and clients request for FTP and SFTP services.
• Maintained shell scripts for web servers, stopped and restarted web server instances.
• Discussed technical and operating systems problems with team members.
• Installed UNIX (Solaris, Linux RedHat, OracleLinux, AIX, Oracle 11g) and third party software upgrades.
• Installed RedHat, ESXi, SuSE on IBM Blade Servers.
• Installed and maintained RedHat and SuSE Linux on IBM Power 710, 720, 730 and 770.
• Assisted clients in resolving UNIX operating system problems.
• Assisted clients in resolving FTP, SFTP and F5 issues.
• Provided UNIX (Solaris and AIX) training for helpdesk.
• Mounted Network Area Storage (NAT) - attached Datastores on UNIX/Linux platforms.
• Responsible for the timely completion of assigned projects and customer satisfaction.
• Responsible for timely application of security OS patches and third party software upgrades.

Confidential, TX

Sr. System Administrator

Responsibilities:

• Installed and configured Solaris, AIX, HP-UX, RedHat and SuSE Linux on Bladelogic server.
• Remediated Enterprise Security Manager (ESM) violations on Solaris, AIX, F5, HP-UX, RedHat and SuSE Linux.
• Performed quality assurance (QA) on new build servers.
• Updated InfoPath workflow tools information.
• Created and executed change ticket requests
• Attended CAB Trading meetings and presented security violation issues.
• Updated Runbook information with servers’ information.
• Installed and configured Enterprise Security Manager (ESM).
• Configured Solaris VERITAS Volume Manager and clustering.
• Installed and configured Citrix XenServer and VMWare servers.

Confidential, TX

Senior Linux Administrator

Responsibilities:

• Designed, built, installed and configured RedHat Linux 4.7 and 5.x.
• Installed and configured Dell PowerEdge M1000e Modular Blade Enclosure on the rack.
• Installed and configured Oracle Unbreakable Enterprise Linux 5.x, Linux Kickstart server, Oracle Linux Yum Repository and Oracle 10.2/10.3 and 11.0.
• Installed and configured Aberdeen NAS Storage server.
• Installed, configured and modified Nagios monitoring software on Solaris, Linux and Windows Servers.
• Assisted and configured monitoring servers for NTTA - North Texas Tollway Authority.
• Installed and configured Citrix XenServer and VMWare servers.
• Installed and modified NSClient++ addon to execute Nagios plugins on remote servers.
• Installed Linux patches and upgraded the Linux kernel.
• Configured and installed Windows 2003 storage server.
• Installed and configured Dell PowerVault ML6000 Tape Library.
• Performed the installation and configuration of NetBackup 6.x.
• Installed, cloned and configured VMware, ESXi servers and tools.
• Performed I/O metrics testing with Orion, Bonnie++, Speadtest and BMMeter.
• Performed benchmark testing with Net Stress, Bonnie++, Iozone and IoMeter.
• Configured Oracle’s ASM and JBOD and performed hard drives tests.
• Installed and configured multipath device Mapper.
• Installed and confiured WebSphere.
• Trained Windows Team on UNIX and Linux skills.
• Installed and configured Linux-HA high avaliability heartbeat - 3.0 on Redhat5.X
• Installed and configured device-mapper multipathing in Redhat.
• Installed Linux rpm packages and dependency softwares on Redhat and SuSE Linux.
• Installed and configured PHP and MySQL servers.
• Wrote automated Shell/Perl scripts as necessary to increase systems efficiency.
• Installed and configured Citrix XenServer and VMWare servers.

Environment: RedHat Linux, SuSE Linux, Oracle, Dell, Aberdeen, EMC Navisphere, Netbackup 6x, Vmware, Xen.

Confidential, TX 

UNIX Administrator

Responsibilities:

• Performed Network administration with TCP/IP, Windows operating system, AIX, Solaris and Linux systems.
• Installed Sun Solaris operating systems, AIX 5.3 and Microsoft Windows 2003 Services.
• Led and participated in enterprise level projects providing reliable and UNIX Services solutions.
• Modified Linux image configuration and network files.
• Modified and activated TCP/IP network connections.
• Installed and configured Citrix XenServer 5.5 and VMWare servers.
• Installed and configured WebSphere.
• Installed and configured Aberdeen NAS Storage server.
• Installed, configured and modified Nagios monitoring software on Solaris, Linux and Windows Servers.
• Installed and configured Linux-HA high avaliability heartbeat - 3.0 on Redhat5.X
• Installed Linux rpm packages and dependency softwares on Redhat and SuSE Linux.
• Installed and configured PHP and MySQL servers.
• Wrote automated Shell/Perl scripts as necessary to increase systems efficiency.
• Installed and modified NSClient++ addon to execute Nagios plugins on remote servers.

Environment: Dell PowerEdge 2900 III, Dell PowerEdge 2950 III, Dell PowerEdge 6800, IBM BladeCenter HS21 8853, HP ProLiant DL165 G5, IBM xSeries and Sun Microsystems Sun Fire V215.

Confidential, TX

Senior Systems Analyst

Responsibilities:

• Used standard Confidential Distributive Native Tools (DNT) data collection tool to determine root cause analysis.
• Created and updated documentation.
• Trained Mainframe System Performance Team on basic UNIX/Linux, Advanced UNIX/Linux, System Performance Tunning and how to trouble shoot.
• Wrote reports on system events using DNT data collect tool, chart system activity charts and present finding to the business partners.
• Recommended hardware upgrades to business partners.
• Determined event root cause analysis and report finding in ad hoc report.
• Analyzed AIX and Solaris 8, 9 and 10 with container and setup zones) system performance based on workloads and transactions per second.
• Managed AIX and Solaris capacity planning and forecasting for applications.
• Assisted to improve processes and workflow.
• Worked with application groups, database developers and web developers to analyze current business processes and procedures to help identify gaps and areas for process improvement.
• Provided AIX and Solaris data analysis load test report for the testing team.
• Installed and configured Solaris, AIX, HP-UX, RedHat and SuSE Linux on Bladelogic server.
• Collected TPS (Transactions per Second) counts for all the Datacenters.

Environment: IBM RS/6000 Enterprise Server H80, Model F80, IBM p5 550Q, 560Q, BigIP, 3DNS, Cisco Router, IBM 570, Sun T2000, HP and Dell servers.

Confidential, TX

Systems Engineer

Responsibilities:

• Integrated new platforms into the Lab, and production environment.
• Checked new servers’ installation with GSD331 security standards checklist.
• Handled system maintenance, data migration and managing application, web and database servers for Galileo, Cendant, Century 21, Coldwell Banker. ERA, Sotheby’s International Realty, Ramada, Howard Johnson, Days Inn, Super 8, Travelodge, Knights Inn, Wingate Inn, Avis, Trip Rewards, AmeriHost Inn, Howard Johnson, Knights Inn, Super 8, Travelodge, Wingate Inn, Cheap Tickets, Delta Avis, Budget, and Holiday Inn. My responsibility also includes the following:
• Decommissioned old servers from production environment, worked with server integration team and returning old systems to Asset Management.
• Installed the ServiceGuard MySQL toolkit on nodes.
• Configured Solaris VERITAS Volume Manager and clustering.
• Installed Solaris 9 and 10 from jumpstart cdboot server.
• Installed AIX 5.2 and 5.3 LPARs from NIM servers.
• Experienced with EMC Storage arrays in Enterprise class.
• Collaborated with Asset Management Team, Network Team, Firewall Team, Monitoring Team and SAN Team before new server deployment.
• Installed Linux 3 and 4 Enterprise from Kickstart server.
• Installed Windows 2003, standard and enterprises server.
• Involved running IBM security check after OS installation.

Environment: Tru64 UNIX, IBM (AIX 5.2 and 5.3) RS/6000 B50 Series, H50, p660, 240 and 270 Series, Sun Microsystems Solaris 8, 9 and 10, EMC, IBM xSeries 365, 366, BladeCenter HS20, Sun Fire 280R, Enterprise 420R, Sun Fire V120, Sun Fire V480, Sun Fire V490, Netra D130, Ultra Enterprise 450, Sun Fire V4800, Sun Fire V880, Sun Fire V890, Netra1 105, Sun Fire V1280, Sun Fire V440, Sun Fire V490, Sun Fire V240 and Sun Fire V240, Enterprise Server, HP Platform, EMC, Oracle, DB2, WebSphere 5, IBM Director, AS/400, Windows NT/XP Platform, Tivoli, Manage Now, Orbitz, EClaim, DSView, Veritas, Avocent 1610 and 1650, Manage Now, WebEMT, AT&T Network Client, XManager, Nortel VPN Client, Avocent CPS 1610, 1650, DSR 2010 IBM xSeries 365, xSeries 366, xSeries 346, xSeries 460, BladeCenter HS20, RS/6000, Enterprise Server H80, Model F80, IBM p5 570, 590 and 595.

Systems Administrator

Confidential

Responsibilities:

• Managed twenty-five servers running proprietary software for one-way and two-way pagers. It requires monitoring Sendmail, SMTP, WCTP, TNPP, SNPP, Tap connections, direct connect, Apache traffics, and load balancing for one way and two-way database.
• Involved in the capacity planning and development phases of wireless 2way messaging engines.
• Consolidated data migration from one location to another and hardware upgrades.
• Collaborated SPAMHAUS database implementation to control SPAM emails.
• Involved migrating subscriber records to AS/400 for billing.
• Installed Linux rpm packages and dependency softwares on Redhat and SuSE Linux.
• Installed AIX and Solaris patches.
• Coordinated with Software developer, Radio Frequency Department, Network Department and Data Center
• Used fiber optic, SCSI cables to connect RS/6000 Nodes with EMC storage arrays and updated AIX microcode.
• Monitored one-way and two-way pager communication and transaction queues.
• Involved monitoring one and two way pager database and users.
• Used MySQL for users interfaces with the System.
• Installed and configured WebShere.

Environment: IBM (AIX 3.5, 4.3.3, and 5.X) RS/6000 B50 Series, H50, p660, 240 and 270 Series, Sun Microsystems Solaris 7 and 8, (Ultra5, 10, and 20), Enterprise Server, HP Platform, RedHat and SuSE Linux, EMC, Informix, AS/400, Windows NT/XP Platform, Apache 1.3, Sendmail 8, Big Brother, Control, ProComm, Remedy, Exceed, HTML, SMTP, WCTP, TNPP, SNPP protocols, EMC Legato Networker, Arkeia Backup Software, Cisco 4500 and 6500 Catalyst Series, OS/400, MySQL and Paging Software.