SUMMARY

A professional with over 15 years experience as a systems administrator on UNIX platforms using Solaris and Redhat Linux in a 24/7 mission-critical production environment. Expertise in utilizing analytical and troubleshooting skills to help identify, communicate, and resolve issues in order to ensure efficient operations. Possess superb oral and written communication skills, and can effectively document technical procedures. Technical expertise includes:

PROFESSIONAL EXPERIENCE

Confidential

System Administrator

• conduct reviews for new server builds to ensure they adhere to established standards before they are released into production environment
• analyze sar reporting data to identify under-utilized RedHat Linux and Solaris physical machines to either decommission or convert them to virtual machines for the purpose of consolidation, overall cost savings, and to maximize return on investment
• routine support of RedHat Linux physical servers: periodically patch RedHat Linux servers when notified of updates by RHN Satellite tool support RedHat Linux clusters running Oracle SAP - create LVM volumes and add them to cluster configuration as part of SGs, patch clusters OS/EMC Powerpath/Firmware Network Drivers , failover/freeze SG's when necessary expand/remove RedHat Linux LVM volumes
• routine support of RedHat Linux virtual servers using VMWare Vsphere Client 4.x/5.x: upgrade VMWare tools on all VM's add cpu/memory/virtual disk on VM's as needed migrate VM's from older datastores to newer datastores migrate VM's between different clusters to balance system resources and accommodate new VMs create clones of VM's before any major application upgrade to ensure rollback capability
• assist in the migration of RedHat Linux VM's to newer HP chassis
• install/build Solaris 10 servers with Solaris 10 and branded zones and Redhat Linux 5.x servers during implementation of disaster recovery exercises
• assist in the migration to newer Netapp storage units on select Redhat Linux and Solaris servers
• maintain RHN Satellite tool: install certificates, register/unregister systems, download software channels and subscribe systems to them so the applicable rpm packages can be installed
• maintain Solaris 10 servers with Solaris 10 and branded zones and older Solaris NIS environments
• serve as focal point of contact for all hardware/disk break-fix issues in an oncall rotation

Confidential

System Administrator

• Was responsible for the provisioning of new SunFire T5440 servers, which included the installation of Solaris 10, firmware, network configuration IP addresses, NIC multipathing, netmasks, routes, network driver and duplex speeds configuration of SAN HBA's and lpfc driver installation of Veritas Storage Foundation Cluster File System 5.0 MP3RP4, and Oracle 11i allocation of SAN disks via the creation of Veritas disk groups, volumes, and filesystems, both shared and local the creation of Solaris zones and their integration into the Veritas cluster configuration installed and configured Veritas cluster HA agents for for DB2 and WebSphereMQ configuration of Veritas cluster service group and application resource objects
• Performed quarterly Solaris kernel patching and applied miscellaneous tasks within the patching windows, such as the installation of Symantec Critical System Protection Agent, to keep servers up to date
• Migrated server root disks from DiskSuite UFS to ZFS using LiveUpgrade
• Upgraded servers to Solaris 10 Update 8 using LiveUpgrade
• Performed Solaris Epic firmware updates on SunFire V245 servers to address intermittent hardware failures
• Upgraded HBA firmware to recommended version for lpfc 6.30g driver on various servers
• On select Veritas-clustered servers, implemented IO Fencing to ensure data integrity
• Fulfilled storage requests for the expansion of existing Veritas volumes file systems, and if applicable, make the appropriate VCS cluster configuration changes
• Supported scheduled code deployments for various application server environments
• Perform CTSA 5.1 upgrade on approx 140 RedHat Linux servers

Confidential

System Administrator

• Was responsible for the administration of 300-400 mid-range SunFire and HP DL Series servers which included the completion of new Solaris 10/RedHat RHEL4 server builds via jumpstart/kickstart to meet project requirements
• Installed and supported Veritas Volume Manager/Filesystem 5.x, Veritas Cluster 5.x, and Veritas Netbackup 6.x client for all Solaris servers
• Created and maintained existing Veritas volumes file systems upon requests, and if applicable, add them to the Veritas VCS cluster configuration
• Installed BMC Patrol using BladeLogic automation software to standardize system monitoring for all Solaris and Linux servers also utilized BladeLogic for miscellaneous admin tasks such as NTP client updates and mass changes to system configuration files
• Performed Solaris kernel and firmware upgrades to keep operating system up to date and installed individual software patches as needed to address specific issues
• Setup SSH key authentication on both Solaris and Linux servers for automatic user login
• On SAN-attached servers, installed Sun-branded Emulex fiber LP11000 HBA card, driver, and utilities
• On select Veritas-clustered servers, setup EMC SRDF replication and performed splits on demand to ensure a viable disaster recovery plan
• Created and maintained a Solaris zone for internal kana application
• Supported cross-platform file transfers using Connect:Direct 3.x
• Supported production environment for both Solaris and Linux servers as part of a 24/7 on-call rotation
• Created documentation for technical operating procedures to facilitate development of staff
• Served as a mentor for new and less experienced colleagues to help them transition into their role

Confidential

System Administrator

Confidential

System Administrator

Confidential

System Administrator

Confidential

Programmer/Analyst