SUMMARY

• Total 8 years of IT professional experience in Linux, Unix System Support and Administration and production support of various applications and database, Solaris and AIX.
• Extensive engineering and implementation knowledge in Solaris, Redhat Linux and AIX. Hands on experience architecting and implementing EMC storage solutions.
• Manage VMware systems in engineering and production - deploy VM’s, track capacity, update templates and perform backups
• Manage and document production system backup and recovery procedures for offsite disk and tape storage
• Document system configurations, server, OS, and VM build practices, backup procedures, troubleshooting guides, and keep infrastructure drawings current with changes
• Analyze and resolve problems involving interaction between applications, server hardware/firmware/OS and storage by working with software developers, QA, and equipment vendors.
• Provided technical expertise for automation systems in support of OS, patch deployments, configuration changes, compliance reports, and general scripting leveraging BladeLogic.
• Experience in Supporting, installation and configuration of various Third Party Middleware tools.
• Build Virtual and bare-metal systems on an as needed basis.
• Very well experience with VxFS, VxVM, VCS, ODS and LVM.
• Creating and maintaining user accounts, profiles, security, rights, disk space, and process monitoring.
• Installation and configuration of web hosting administration such as FTP, SSH, RSH, Telnet, and HTTP.
• Configuring and administering NFS, NIS, NIS+,DNS, and SFTP
• Strong knowledge of system performance and monitoring tools.
• Veritas NetBackup backup server installs, config and maintenance of server and clients.
• Working knowledge of VMWare vCenter. Working knowledge of HP Blade Virtual Connect.
• Networking communication skills and protocols such as TCP/IP, NFS, DNS, LDAP, DHCP, NTP and SMTP
• 24x7 On call support and availability
• Work with internal, external technical and non-technical customers to resolve design and implementation issues.
• Provided support for production environment around the clock and coordinating with the offshore team to resolve the issues.
• Excellent troubleshooting, problem management, documentation and training skills.

TECHNICAL SKILLS

Operating System: Sun Solaris 8, 9and 10, HP-UX 10 and 11, AIX 5.3 and 6.1, Red Hat Linux ES 4,5,6, 7 Windows 98, 2000, XP, Vista

Hardware: RS6000 Sun Firev210,v440,v880,3800,4800,4810,6800,10K,15K, T5440, T5120, M2000/5000, HPdl580, dl380G6, IBM P5 series 570(machine type 5117), p6 series 520 P5 and P6 Servers and EMC Clariion Servers

Software (Packages): VxVM 4.x, 5.x, 6.x, Veritas Cluster Server,Vertias file systems, Solstice Disk Suite, LVM

EMC Storage Solutions: EMC Unisphere, Navisphere Mgr. Storage based replication (MirrorView), LUN migration and snapshots.

EMC Storage Systems: VMAX, VNX, SAN switches including configuration, zoning and troubleshooting

Programming Languages: Java EE 1.6, Java Script, SQL, PL/SQL

Virtualization Solutions: VMWare ESX (i), Solaris Virtualization.

Infrastructure: HP ProLiant, Blade, IBM, Cisco, Fiber, SAN, HBA, NetApp, Fiber, KVM.

Enterprise Management Tools: Big Brother, Netprobe URL Monitoring tool, Splunk, Bluestripe

Name Services: DNS, NIS/NIS+ and LDAP for AIX

Protocols: DHCP, NIS, DNS, TCP/IP, FTP, SMTP, IPV4, LDAP, and Apache Servers

PROFESSIONAL EXPERIENCE

Confidential, Washington, DC

UNIX/ Linux Administrator

Responsibilities:

• Work involves providing Architectural and Technical Assistance in UNIX and Storage, 24/7 customer support for external customers that includes nonstandard trouble shooting tasks.
• Working on different platforms including Solaris, Red hat Linux and AIX. Nature of work involves solving problems relating to Operating system, Web server related problems, Application server related problems, Managing Network Appliance Servers etc. Also involves managing HA + environment running Veritas, HACMP/PowerHA for AIX. Carrying on-call pager for providing 24x7 support and also doing shell scripting. Installation/Upgrade and configuration of Sun Solaris on SUN Enterprise and Sun Fire Mid-Range & High-End systems.
• Worked on BMC BladeLogic Server Automation activities - Adding Servers, Creation/Maintenance of BLCLI or NSH Scripts, Creation of Packages, Jobs, Snapshots, Audits etc.
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Providing SAN support including zoning and LUN provisioning, troubleshooting, capacity planning and reporting.
• Using Linux Kickstart, Sun Jumpstart to build and deploy RHEL and Solaris servers. Installing and configuring and Linux VMs on ESX 4.x for various applications.
• Backup support, install and configure NetBackup master and media servers, monitor and support the backup needs of all platforms.
• Setup, configure and maintain 2 and more node Veritas Cluster (VCS) High Availability to support Oracle Database and other application. Extensive experience with Volume manager software and Filesystems. OS native software such as Solaris Disk Suite, ZFS, and Linux / AIX LVM.
• 3rd party multipathing software such as EMC Power path, AIX MPIO and Veritas DMP. OS native such as Sun MPXIO and Linux native multipathing.
• Extensive experience with virtualization. Solaris zones and containers Performing day-to-day system administrator activities, troubleshooting, and storage assignments
• Maintaining Patches and Packages to keep the servers up to date with latest OS versions
• Updating Operating systems to latest maintenance levels and applying fix packs
• Presents status reports to management team.
• Monitor the change plan and ensure that all scheduled changes are managed and implemented in a timely manner.
• Ensure that events are closed within documented time frames and comply with in SLA’s.
• Strive for completeness in all tasks while paying attention to detail and produce error-free work.
• Troubleshooting issues related to NFS both at Client and Server side
• Write shell scripts to customize any customer specific application requirement
• Scheduled cron jobs for job automation
• Setup NIC bonding for servers with critical information.
• Adding and removing virtual swap space as necessary
• Administration of Users and File Systems on Solaris AIX and Linux.

Confidential, Los Angeles, CA

Sr System Administration and Support

Responsibilities:

• Installation, configuration, maintenance, Administration, and support of Solaris/Redhat/SUSE.
• Kickstart/Jumpstart multiple servers with hands-off installation using Cisco standard images.
• Troubleshooting issues related to DNS, NIS, NFS, DHCP, Sendmail on Linux and Solaris Operating Systems.
• Working knowledge on the TCP/IP protocols RSH, SSH, RCP, SCP.
• Worked extensively on Corp-Unix, Data Center, Storage and INTEL Frontline queue’s almost every day in one of those and these Frontline Queues have enough challenges ranging from customer tasks, user requests to trouble shooting system issues within a timeframe.
• Administration and auditing the SUN servers and installation of the patches on production and development systems.
• Configuration & Installation of Red hat Linux 4, 5 by using Kick Start and customized scripts.
• Use VSphere vCenter Server to monitor virtual machine resource usage. Designed and implemented virtualization using VMWARE ESX 4.0 & 4.1 and ESXI Server and configured VMWARE HA, VCB, VMOTION, VSWITCH.
• Configured & Deployed ESX/ESXi server in corporate production environment.
• ESX Server 4/4.1 and troubleshooting business critical issues in a production environment.
• Creating new file systems, managing and checking data consistency of file systems Administration and auditing the SUN servers and installation of the patches on production and development systems.
• Operating system support - Windows 2003/2008, RHEL4/5, SLES10/11.
• Install and Configure Virtual Machines (VM), VM tools on ESX boxes from the GUI and console.
• Configuring NFS, NIS, DNS, Auto-mounter and disk Space management on SUN servers.
• SENDMAIL configuration and administration, testing the mail server.
• Implementation and management of network attached storage (NAS), with expertise in NetApp Disk Arrays, NAS IP replication, de-duplication, NDMP, SnapShot/Vaulting.
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Installation, configuration and implementation of Samba service on UNIX based systems.
• Dealing with user id deletion with removing entries from CRONTAB.
• Clearing tickets in all monitored systems, and ensure where possible that these tickets are cleared at first touch.
• Installation and configuration of Veritas Volume Manager.
• Installation & configuration of Veritas Cluster Server and Sun Cluster.
• Performed daily Backups using Veritas NetBackup v5.x.
• Providing day-to-day user administration like adding or deleting users, password aging, installation, configuration and administration of UNIX and Windows NT Servers.
• Provided support for local and remote users.
• Troubleshooting Backup and Restore problems.
• Installed Configured and maintained IBM WebSphere Application Server 5.x/6.x on AIX /Linux/Windows2003/SunSolaris Involved in migration of theapplications.
• Involved in enabling WebSphere global security using Local OS and LDAP/LTPA mechanism, SSL configuration and Ordering digital certs for Pre-prod and Prod environments.
• Good working experiences with Session Management, creating replication domains for session persistence (Memory to Memory replication) using client server methodology.
• Used WebSphere backup and restore scripts for backing up WebSphere repository
• from WebSphere 5.x to 6.0 and worked closely with development team. Applied Refresh packs, fix packs and cumulative fixes for WebSphere, IHS and plug-in.
• Constant Monitoring of System Performance. Involved in Day-to-Day trouble shooting for the end users on Solaris based applications.
• Installed and Configured Send mail Utility on UNIX Servers.
• Performed backup/restore operations using tar, ufsdump, ufsrestore.
• Limited time Work experience on Windows OS Administration.
• Resolving Operating Systems related issues of Solaris, making sure that the users get the proper environment for testing. Coordinating and planning for better utilization of resources in Labs and Reporting the management about it.
• Provision and assign storage according to business requirements.
• My responsibilities included assigning storage to Windows and Sun servers, by configuring storage groups, assigning LUN’s, registering HBA’s to hosts in the CLARiiON environment, mapping devices, and performing LUN masking in the Symmetrix/DMX environment.

Confidential, Houston, TX

Unix/ Linux Administrator

Responsibilities:

• Installation, configuration, maintenance, Administration, and support on Solaris / Redhat Linux/ SUSE Linux.
• Responsible for maintaining the integrity and security of the enterpriseUNIX(Linux /Solaris) servers and systems.
• Image machines using Jumpstart / Kickstart to installSolaris10 and Red Hat Enterprise Linux.
• Installation and configuration of Solaris Zones.
• Maintains a disaster recovery plan. Creates backup capabilities adequate for the recovery of data and understands concepts and processes of replication for disaster recovery.
• Maintains DNS, NFS, and DHCP, printing, mail, web, and FTP services for the enterprise.
• ManagesUNIXaccount maintenance including additions, changes, and removals.
• User administration for all the NIS users.
• Supporting NetApp filers by closely working with the NetApp storage team.
• Forecast storage needs. Work with the site management to determine future diskrequirements.
• Works with the application teams and other IT department personnel to coordinate system software changes and support application changes.
• Experienced in deploying portlets for WebSphere Portal Server (WPS)
• Hands on installing, configuring and maintaining on Oracle10g /Oracle10g RAC and Oracle 11g DB Servers.
• Name Service design, best-practices, configuration & maintenance (NIS, LDAP, DNS)
• Installation, configuration and management of SAMP (Solaris/Apache/MySQL/PHP) and LAMP (LINUX/Apache/MySQL/PHP) stacks.
• Unix-to-Windows interoperability and configurations.
• Configure, maintain and troubleshooting Samba Servers in navigating to Linux directories from windows.
• Troubleshooting the network issues and response problems.
• Storgae allocation for users across filers/volumes on site without over-allocating disk space.
• Working knowledge of the IP protocol suite, specifically relating to the applications and services that utilize these protocols: SSH, NNTP, DNS, SMTP, HTTP.
• Provide application support onUNIX / Linux and Solaris.
• Work individually or on a team on various system projects related to Application Support.
• Debug and correct installed system software as required.
• Plan, prepare and apply maintenance fixes to system software as required.
• Tune system software for peak performance and availability.
• Provide off shift on call support for system support. Make system hardware and software recommendations as required.
• Configure and Manage Sun / Dell and HP hardware.
• Installation configuration and management of Veritas NetBackup VXVM, VCS, ZFS, LVM, Virtualization (Xen,SolarisZones/Containers, LDOMS, Oracle VM).
• Working knowledge on Sun Directory (ldap),SolarisVolume Manager, Jumpstart/Wanboot, Kickstart, iscdhcp, Sendmail, Apache, NIS, NFS, Subversion/CVS, Compiling and Package creation.
• Assist application owner in application troubleshooting, software package installation & creation.
• Perform backup / restore and monitor Netbackup & HP Data Protector backup tools.
• Perform Tape handling for all the filled tapes coming out of the MSL Tape libraries.
• Configuration, administration and management of external storage (SAN/NAS).
• Writing shell & Perl scripts to automate redundant jobs.
• Installation and configuration of HA environment using Sun or Veritas Cluster.
• Setup NIC bonding for servers with critical information.
• Recommends and implements security policies and standards and ensures adherence to procedures.
• Provided 24x7 on call and remote support for UNIX Production Problems and responding to user’s tickets from HP-OVSC.

Confidential, Herndon, VA

Sr UNIX System Administrator

Responsibilities:

• User administration on Sun Solaris and RHEL systems, HP-UX machines, management & archiving.
• Installation of Red Hat EL 4.x, 5.x using Kickstart and PXE on HP Blade Servers.
• Administration of Services using SMF and converting legacy services to be managed by SMF. Error detection and Observation of services.
• Worked on Remote Laboratories project. Creating users and providing them access as per requirement.
• Configuring NFS, NIS, DNS.
• SENDMAIL configuration and administration, testing the mail server.
• Administration in VERITAS Volume Manager and Veritas Cluster Server.
• Scheduling full and backups with tar command.
• Experience with adding and configuring devices like Hard disks and Backup devices etc.
• Troubleshooting the network issues and response problems.
• Installing and maintaining enterprise tools and coordinating with teams.
• Installing, tuning, troubleshooting, harmonizing, and patching of AIX V5 and V4 on RS6000 Servers and P50 hardware utilizing clustering services such as HACMP
• Installed AIX Operating System through NIM.
• Monitor system performance parameters using iostat, vmstat, and fine-tuning
• Hands on experience on EMC storage and responsible to take backups on tapes.
• Systems administration, maintenance, and monitoring various day-to-day operations
• Creating and maintaining user accounts, profiles, and security rights
• Installation/upgrade, system startup, and system shutdown as needed
• Installation, configuration, and maintenance of web servers, application servers, and database servers on sun solaris
• Resolved system errors and crashes, disk space problems, huge file sizes, and file system full errors
• Experience on resolving the filesystem & Hardware issues by Remedy tickets.
• Worked as ONCALL Support Analyst.
• Documented various regular administrative tasks and backup procedures