OBJECTIVE:

Seeking a varied and challenging Linux / UNIX administration position requiring new and creative applications of technology to solve functional problems by increasing efficiency withimplementation of technical skills, problem solving skills, team management skills by adopting participative leadership style.

PROFESSIONAL SUMMARY:

• Over 7+ years of experience in different areas of System Administration Support, Design, Implementation, Maintenance, Tuning and Troubleshooting of Servers running on Linux (Red Hat 4.x,5.x, 6.x, CentOS, Fedora), IBM AIX 4.x,5.x,6.x, Sun Solaris (8/9/10) and ESX for Production, Staging and test environments.
• Expertise in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of Red Hat Linux 3/4/5 and UNIX.
• Providing Version Control with Subversion and Automated Build & Deployments
• Leading a small team of Deployment and Build Engineers
• Designed, configured, and implemented an enterprise Red Hat Linux Kickstart DVD installation to automate installation of RHEL workstation servers.
• Installed REHL 3/4/5 on X86 64 bit Intel Processor and on x - series Hardware.
• Build Linux on Dell 2850, 2900, 6850,HP DL 580 G5, 380 G5,380 G7.
• 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 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.
• Installation, Configuration and administration of LPAR’s.
• Installation, administration of VIO Server and VIO client LPAR’s.
• 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.
• Experienced in Performing Migrations from AIX 5.3 to 6.1 and new installations of AIX 6.1 using NIM Server.
• Installed and configured RHEL Linux, Novell SUSE Linux Enterprise server 9, 10 on servers and desktops.
• Virtualization using VMware and VMware ESX server.
• Installation of patches, Security fixes, packages on Linux, AIX and Windows Servers
• Experience with IBM Power4, Power5 and Power6 Power7 virtualization.
• Expertise in migrations including: Hardware migration from RS600 to P4, P5, P6, software migration from version 5.1 to 5.3, 5.3 to 6.1 and 6.1 to 7.1 and from OS: Solaris to AIX, & Linux to AIX.
• Installation, administration, and Updating of VIO Server and VIO client LPARs.
• Installing and configure HACMP 4.3, 5.5 6.1 and to the most recent one PowerHASysmirror 7.1.1
• Power VM Virtualization (SEA, vSCSI, NPIV), Dynamic LPAR (DLAPR)
• Administering and troubleshooting of AIX HACMP Clusters.
• Perform day to day LVM operations and System Admin tasks
• Create virtual media repository and LPAR dedicated virtual optical drives in the VIO servers to make new installations, cloning and migrations faster and easier
• Experienced in Installing and Configuring SAP, WebSphere, Oracle, IHS Server and DB2 applications on Redhat Linux servers.
• Installation and configuration of NIM master server and clients. Install OS on NIM clients using NIM Server.
• Perform Bash and Korn Shell scripting to support integration and automation
• Experience with Linux installations, configuration management and patch administration as member of a production support team.
• Strong knowledge of Linux kernel configuration, performance monitoring, and tuning.
• Configuration and maintenance of common applications such as NFS, DHCP, NTP, SSH, DNS, and SNMP.
• Strong knowledge of large-scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Maintaining and monitoring DASD free space
• Worked with WebSphere team in order to configure WAS instances for BMC patrol.
• Ability to install/configure/troubleshoot OEM SAN products.
• Experienced in EMC Powerpath and SRDF, Hitachi HDLM, and HP Secure Path
• Hitachi, EMC SAN installation and tuning of NetBackup server environment.
• Responsible for architectural design of all Hitachi San environments and Brocade switches.
• Experienced in Providing LUNs to the various enterprise operating systems such as AIX, Solaris, Linux and Windows.
• Experienced in installing Powerpath, SDD and HDLM drivers for accessing SAN on the UNIX Servers.
• Responsible for architectural design of all Hitachi San environments and Brocade switches.
• Management of all SAN storage systems, Hitachi, EMC, SUN capacity planning and performance tuning.
• Responsible for the operation, maintenance and integrity of a distributed, networked UNIX based environment.
• Experienced with operating and performance tuning storage platforms across the organization to ensure high levels of data quality, availability and security. experienced in Providing LUNs to the various enterprise operating systems such as AIX, Solaris, Linux and Windows.
• Provide 24x7 on call server support for UNIX environment-AIX and Sun Solaris.

TECHNICAL SKILLS:

Operating Systems: Linux (Red hat, Centos, Fedora, SUSE), IBM AIX 4.3, 5L, 5.1, 5.2, 5, 3, 6.1, 7.1, Windows 2000/03/NT4.0, Wintel Sun Solaris, HP-UX. MAC 8.1/9/10 & OS2

Hardware: Dell, HP DL380G5/G7, DL580G5/G7, IBM RS/6000, PSeries 550,560,570,650,630,670,700,702,750, SUN Enterprise 450.

Web/Application Servers: Web Sphere Application Server, 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: Shell and Bash Scripting C, C++, Servlets, JSP, EJB, VB, JavaScript, HTMLApplications:Samba, Tivoli (TSM), Symantec Net Backup, VERITAS Volume Manager.

PROFESSIONAL EXPERIENCE:

Confidential, Chicago, IL

LINUX / UNIXAdministrator

Responsibilities:

• Provided on-call support by rotation to provide 24x7x365 support.
• Build and configured migrations of Linux (V2V, P2P and Lift and Shift on RHEL 5).
• Automated server building using System Imager, PXE, Kickstart and Jumpstart.
• Built, configured, and deployed RedHat virtual servers in a VMware vCenter environment.
• Defined, documented and implemented hardened, standardised operating system images based on Red Hat Linux Enterprise 4,5,6.
• Wrote cron jobs for Redhat servers, integrated with Sendmail, automated FTP uploads/downloads, scp for automated batch file transfers.
• Expertise in User and Group administration. Good exposure in ID management.
• Install and configured sudoers and giving temporary sudo access to app or database team when required
• Experience with customization of Ruby code from existing libraries
• Responsible for Deploying a highly-available cluster of virtual machines set up with nginx, Unicorn, and Ruby for a new website.
• Responsible for upgrades, configuration, and deployment of Apache Tomcat, httpd, IHS, WAS and several other software packages.
• Took part in VMware ESX (3.5,4.1) installation, updates, patches, and gathered information for capacity and performance analysis to identify potential servers for virtualization.
• Installation, Configuration and Administration of IBM WebSphere Application Server 5,6& 7 and WebSphere Portal Server 5.1.0.4 on AIX and Linux platform.
• Strong knowledge in IBM Websphere Application Server (WAS) 6.0x - 7.x, Websphere Portal 6.1.
• Experience in administrating the infrastructure for Websphere Portal, Application Servers (Websphere, WebLogic, etc.), Web Servers (IBM Http Server, IIS, etc.), Web Services, XML, HTML.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Updating YUM Repository and Redhat Package Manager (RPM).
• Administration of RHEL 5 which includes installation, configuration, testing on both physical and virtual machines.
• Capturing the image of production server, Configuring RAID and build the new server using the image on system imager server with PXE boot.
• Migrating VCS, Oracle RAC and Redhat Clusters with gfsfilesystems servers across the Data Center, which includes Configuration of new IP, VIP and Prative IP.
• Adding Oracle ASM disk to the server. Creating and managing LVM.
• Installation and configuration of Powerpath, Solution Enabler, RSA Envision, ITM, ITIM and BMC.
• Experience in NTP, DNS, Homedir, LDAP on various Unix platforms AIX, Linux and Solaris. sInstalled ESX on IBM X3850 boxes
• Installed VMWARE clients on ESX hosts
• The Vendor Employee will need TCP/IP networking skill to understand HACMP network requirements.
• Knowledge of PowerHA System Mirror Enterprise Edition (formerly HACMP-XD) using either PPRC, Metro-Mirror, SRDF, or GLVM a plus.
• Knowledge in EMC PowerPath and SRDF, Hitachi HDLM, and HP Secure Path.
• Experienced and possess strong communication and verbal soft skills which facilitates a positive interaction with the customer. Communications skills in corporate the Confidence & Professionalism
• Dealing with Customer Conflict and Confrontation
• Executing Dynamic Interpersonal Communications with customers, IBM management and co-workers.

Confidential, Hagerstown, MD

Linux /UNIX Administrator

Responsibilities:

• 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 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.
• Monitoring and configuration of various servers using Puppet modules.
• Primarily applications support, config changes, trouble shooting server issues for QA/Stage/Production, monitoring issues through systems like Jira, Zabbix.
• Implemented rapid provisioning and life cycle management for Redhatlinux 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.
• Creating volumes, LUNs and implementing different RAID levels on the same
• Configured and created snapshots of clones of LUNs using EMC Snap View
• Implemented replication of data within sub storage systems using SAN Copy and Mirror View software.
• Worked on AIX 5.3 and 6.1 running on ten P5s (P550 and P560), two P6s (P6 550), 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)
• Perform system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR’s
• Management of all SAN storage systems, Hitachi, EMC, SUN capacity planning and performance tuning.
• Configuration of VIO server and VIO clients from Hardware Management Console..
• Administration of multiple AIX machines, AIX clusters, and SP nodes from any client platform through WebSM.
• Installation and configuration of NIM master server and clients. Installing OS on NIM clients using NIM Server.
• Architect, install and troubleshoot installation issues with ganglia performance monitoring software
• Install and troubleshoot Galileo performance explorer
• Setup and troubleshoot network TCP/IP on AIX systems
• Experienced in Supporting UNIX Servers (Solaris and Linux).
• Hardware migrations from P5 and P6 to P7 at the same time performing OS version and TL level upgrades
• Provided 24*7 on-call support for all the Unix servers

Confidential, Cincinnati, OH

AIX/Unix Administrator

Responsibilities:

• Responsible for installing, configuring and maintaining AIX servers including the logical partitioning on pseries servers.
• Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring.
• Performance Management & Tuning on AIX.
• Perform User Account management, data backups, and users’ logon support.
• Develop and maintained Shell scripts (Korn) for automating the batch jobs.
• Done installations and upgrades on multiple systems using Network Installation Management.
• Set up, configure, backup and restore nim database and create various NIM objects and resources such as lppsource, spot, bosinst.data, image.data.
• Created LPARS on p570 servers.
• Good understanding of Advanced POWER Virtualization on IBM p5 Systems.
• Implemented, installed and supported High availability clustering environment HACMP v5.1 Cluster software. sDay-to-Day trouble shooting for the end users on AIX 4.3/5.2/5.3 based applications.
• Responsible for the upgrades on AIX and software packages and maintained them in accordance with established policies, procedures and service level agreements.
• Helped to establish standards, policies and procedures for all aspects of Unix server environment (e.g., configuration, administration, documentation, etc.)
• Worked with DBAs on installation of DB2, restoration and performance tuning.
• Attend team meetings, change control meetings to update installation progress and upcoming changes in environment.
• TCP/IP Configuration like assigning IP addresses, configuring network interfaces, assigning static routes, hostnames etc..
• Monitored error logs and investigating the logs and providing a solution to the application team monitoring system performance and check the status of the system using utilities such as TOPAS, GLANCE, NMON, VMSTAT, IOSTAT, etc.
• Configuring networks on the adapters using smittymktcpip and smittychinet.
• Worked in with different teams such as Network Engineering, Database team and application teams to resolve the issues and provide Customer Satisfaction.

Confidential, Parsipanny, NJ

AIX/Unix Administrator

Responsibilities:

• Responsible for installation and maintenance of 43 AIX 4.x servers, and 12 Solaris servers.
• Administration of IBM RS/6000 servers running AIX 4.3.3 for support of PeopleSoft Financials and HRMS Environment on Oracle 7.3.x., DNS, FTP and Legato tape backup.
• System & backup management using IBM ADSM Backup Server.
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• AIX systems administration using SMIT.
• Logical Volume Management (LVM) of AIX.
• Predefined and Customized Volume Group management on AIX
• Disk Management on AIX using SMIT.
• Test and install various patches (Fix Packs) on servers to solve problems encountered by applications running on the servers.
• Disk Replacement Strategy on AIX.
• Performance monitoring done with conventional tools such as sar, iostat&netstat.
• Managing cron jobs, batch processing and job scheduling.
• Software installation and maintenance.