SUMMARY

• 7 years of experience in IT industry, in the area of System Administration.
• Extensive System Administration experience in heterogeneous environments comprising Solaris, AIX, Linux 3,4,5,6.
• Excellent in patches and packages installation
• Experience in implementing High Availability Clusters using VERITAS Clustering, Redhat Cluster Server.
• Configuration of NIS, NFS, SAMBA, SENDMAIL, APACHE SERVICES on Linux & UNIX Environment.
• Experience in VERITAS Volume Manager, configuration and maintenance VERITAS File System.
• Experience in Logical Volume Manager for creation of Volume groups / Logical Volumes and File systems in UNIX environment.
• Experience in GPFS, GFS2, LVM and SAN/NAS storage.
• Experience in creating physical volume, logical volume, volume groups using LVM’s in Linux.
• Advanced knowledge and skills in Linux Operating System, High Availability/Clustering, System Backup/Restore, Kickstart and Logical Volume Manager software products.
• Excellent in Configuring and Administering NFS, SMTP, DHCP, samba in heterogeneous environment.
• Configured and Administered HACMP 4.5, 5.1, 5.2, 5.3, 5.4, 5.5 IBM PowerHA.
• Installation, Configuration and administration of LPAR’s.
• Installation, administration of VIO Server and VIO client LPAR’s.
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX
• Expertise in Tivoli monitoring, Tivoli Storage Manager (TSM), Tivoli License Manger (TLM), Server Resource Manager (SRM) and Control - M Scheduler.
• Replaced failed hard drivers, back planes, CPU component’s, Fiber Channel Adapters (HBA’s), NiC cards and other hardware.
• Experience in Binding Luns, Naming, and resizing, Unbinding LUNs and configured in power path.
• Expert in Datacenter Operations including hardware, software setup monitoring, troubleshooting on a 24 x 7 basis with Tivoli monitoring tool and Remedy ticketing Systems.
• Study of integration of a FIM (File Integrity Monitoring) tool to comply with audit requirements (Tripwire-based).
• Provide support to SQL, MYSQL, Oracle, Data guard and DB2 database while coordinating with database teams.
• Experienced in Writing and Updating Shell Scripts and Perl Scripts.
• Experienced in Installation and Configuration of Web Sphere Application server V3.5/4.0/5.x,6.x, IBM HTTP Server, Sun-one Webserver on AIX, Solaris and Linux platforms.
• VMware Infrastructure 3.x Installation & Configuration.
• Planning and Designing VMware VI3 (ESX3.x/ ESXi/ Thin ESX and VMware Virtual Center).
• Expertise in managing application tools Jump Start, Solstice Disk Suite, and SVM.
• Configuring & Troubleshooting NFS Servers and Clients, in UNIX Environment.
• Implementation of RAID levels like 0, 1, 0+1, 5 using VERITAS Volume Manager.
• Good exposure to Network Storage Solutions like DAS, NAS and SAN.
• Very good exposure of the migration process using SRDF, involved in V2V, P2P and re-installs.
• Provide LUN mapping to EMC for the storage to replicate to new data center.

TECHNICAL SKILLS

OS: UNIX/AIX, Windows 2000/03/NT4.0, Wintel Sun Solaris, HP-UX. MAC8.1/9/10 & OS2

Hardware: HP, DELL, IBM, PSeries, SUN Enterprise.

Servers: Web Sphere Application Server 3.5/4.0, Netscape/iPlanet Server, MQSeries, Web Logic Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB, Apache 2.2, Tomcat 5.5, Active MQ

Networking: TCP/IP, RPC, UDP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, LAN.

RDBMS: IBM UDB2, Oracle 7.x/8.0/9i, MS-SQL Server 7.0/6.5 and MS-Access 97/95.

Languages: UNIX Shell Programming (ksh, csh, sh), Verilog HDL, Matlab with toolboxes, SQL.

Applications: Samba, Tivoli (TSM), VERITAS Volume Manager.

PROFESSIONAL EXPERIENCE

Linux Engineer

Confidential - Houston, TX

Responsibilities:

• Troubleshooting all kinds of UNIX problems and assisting users.
• Perform system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR’s.
• Involved in installing infrastructure and maintaining the performance of server, availability. Storage system software and functionality and interface components.
• Storage Provisioning, Volume and Filesystem Management using VERITAS Volume Manager and VERITAS File system (VERITAS Storage Foundation), Configuring ZFS file systems.
• Handful of experience in Solaris 10 (SPARC and x86)
• Knowledge on Process operations like nice, renice, kill.
• Experience in Web and Application Servers Web logic 10.3.x or 9.x andiPlanet.
• Experienced working with IPMP, Solaris 11, Oracle VM (LDoms)
• Responsible for set up of BMC Patrol Agents V3.6.50.11i and 3.6.60i environment on UNIX Servers.
• Experienced working with scripting like shell, Perl and used awk, grep, find.
• Administered Linux servers for several functions include managing Apache webservers, mail server and firewalls in both development and production
• Involved in troubleshooting shell scripts.
• Configuring UNIX environments for Oracle Databases such as kernel configurations, file system layouts, ora file configurations
• Knowledge on Administer Linux (RHEL, CentOS) administrator involved in server management
• Created volumes and maintained functional areas on NetApp F760 filers and exported them via NFS
• Administrating and troubleshooting Red Hat Cluster Suites
• Wrote & automated security audit scripts in the environment.
• Configuring and maintaining virtual server environment using VMWARE ESX/ GSX, VSphere 4.x, Xen, HP-UX nPars/vPars, Solaris 10 Zones.
• Involved in installing the Solaris Operating system from DVD and from a JumpStart/AI server
• Knowledge of Kickstart and PXE administration.
• Perform day to day LVM operations and System Admin tasks.
• Experience with IBM Power4, Power5, Power6 and Power7 virtualization.
• Administering and troubleshooting of Redhat Clustering.
• Hands on experience using the VI editor.
• Experience working with DELL and HP hardware.
• Knowledge of HP blades and service manager.
• Experience with storage networking, with vendors/technologies such as iSCSI, SAN/NAS, data center storage consolidation, EMC,EVA, NetApp, HDS, HP, or Supported and Good Knowledge of designing IT architectures for storage and backup in the enterprise.
• Linux (RedHat 3/4/5/6) UNIX System and Network administration in Sun Solaris (9/10), HP-UX (10.x,11.x), IBM AIX (5.x), Server Installations, configurations, upgrades and migrations on Solaris, HP- UX, Linux and AIX.
• Created RAID volumes using RAID Controllers and LSI Hardware

UNIX Administrator

Confidential - Houston, TX

Responsibilities:

• Experience with installing and configuring sudo, proposed and implemented the idea of building a master sudoers file, and worked on a script to push the file to client LPAR’s on a weekly basis to lock down sudo access as a part of security audit.
• Installed and automated configure 2 html scripts on client LPAR’s and documented the RGA AIX environment by designing a webpage to access the cfg2html and ganglia output.
• GSD331 troubleshooting, find any incompliant servers are Remediate GSD331.
• Installed WebSphere Portal Server 5.1/6.0/6.1 and enabled Web Content management.
• Migrated WAS 5.0 Network Deployment and Base on AIX/Windows platforms to WAS 6.0 ND.
• Experience in NetApp storage devices, setup, configuration, operations and connecting to PSeries hardware.
• Perform system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR’s.
• Create virtual media repository and LPAR dedicated virtual optical drives in the VIO servers to make new installations, cloning and migrations faster and easier.
• Set up and troubleshoot issues with Secure Shell in the environment to accommodate script automation and password changes.
• Solid understanding of Keon theory, being able to make directory architectural recommendations such as additions to DIT, schema extensions and indexing, Analyze and implements ACLs.
• Worked on AIX 5.3 and 6.1 running on ten P5s (P550 and P560), two P6s (P6 550), and six P7s (P700, P702 and P750) attached to EMC storage subsystems.
• Experience with Power VM 2.2 (VIO), HMC Version 6 and 7, EMC CLARiiON subsystem device configuration (Power path).
• Power VM Virtualization (SEA, vSCSI, NPIV), Dynamic LPAR (DLAPR).
• Experience with Integrated Virtualization Manager (IVM).
• Experience in installing configuring and administering MQ 5.3/6.0 on AIX, Linux and Windows environments.
• Installation and configuration of LPARs with AIX 5.3 on P5 servers. Manage LPARs and provide virtual memory management and memory optimization.

Linux System Admin

Confidential - Richardson, TX

Responsibilities:

• Providing on line support for Sun/Linux servers in a Data Center Production Environment
• Planning, installing and configuration of operating system on new Sun/HP Servers.
• Configured System imager for Linux Servers and used it for Cloning, software distribution and OS updates.
• Installations using PXE boot, Maintenances and troubleshooting hundreds of Linux Servers.
• Adding/expanding new storage to existing/new systems using LVM, VERITAS Volume management VXVM and Vxfs on Linux/SUN servers.
• Worked on Solaris servers supporting all the OS administration, application and hardware issues.
• Very good working experience on Redhat Satellite Server upgrading and patching.
• Building Linux servers by using VMware ESX 3.0 and also involved in channels and pushing the packages in Redhat Satellite Server.
• Responsible for leading the effort through full life cycle of the Upgrade project for Oracle and SAP environment from AIX P5 to P6 and AIX 5.3 to 6.1.
• Responsible for installation administration of AIX 4.3, 5.1, 5.2, 5.3, 6.1 and 7.1.
• Configured and Administered HACMP 5.3, 5.4, 5.5 IBM PowerHA.
• Installation, Configuration and administration of LPAR’s.
• Installation, administration of VIO Server and VIO client LPAR’s.
• Migrating AIX OS from AIX 4.3 to 5.1, 5.2 and 5.3, 5.3 to 6.1 on models of p-series hardware.
• Implemented upgrade of servers using Redhat Satellite Server.
• Planning, documenting and supporting high availability, data replication, business persistence, fail-over, fail-back using VERITAS Cluster Server in SAN environment.
• Setup NFS file systems and shared them to clients.
• Troubleshooting and configuring NAS and NFS mount points.
• Troubleshooting network, application, and server related issues.
• Scheduling of automatic repetitive Jobs, and Shell Scripts with Crontab.
• Monitoring Virtual memory, Swap management, and Disk and CPU utilization by using various monitoring tools.
• Monitoring and configuration of various servers using Puppet modules.
• Primarily applications support, configure changes, troubleshooting server issues for QA/Stage/Production, monitoring issues through systems like Jira, Zabbix.
• Implemented rapid provisioning and life cycle management for Redhat Linux using kickstart and puppet.
• Improved Linux OS deployment and management by creating customized kickstart scripts and installing puppet.
• Used puppet for central management of Linux configuration files and software package management.
• Implementing RAID 0, 1 and 0+1 levels using VERITAS Volume Manager.
• Created RPM packages using RPMBUILD, verifying the new build packages and distributing the package.
• Installed Red Hat Linux on Intel Machines, Configured File Systems and Raw - Devices.
• Installed various RPMS on Linux.
• Involved in mass migration of data form old EMC Storage subsystems to new Subsystems.
• Installed and Configured VERITAS Net backup client and advanced client software’s in Production servers.
• Administer, maintain and troubleshoot EMC CLARiiON arrays.
• Creating volumes, LUNs and implementing different RAID levels on the same
• Configured and created snapshots of clones of LUNs using EMC Snap View