SUMMARY:

• Over 7 years of IT industry experience as a UNIX System Administrator on Confidential AIX, Red hat Enterprise Linux, SUN SOLARIS and Windows environment.
• Installation and configuration of Linux/Solaris on Sun and HP servers, using Flasharchive/Jumpstart/Kickstart and automating server deployment process.
• Experience in installing SUN and Veritas Clusters on the SF series.
• Setting up and administering Veritas Cluster for HA(DNS, NFS, Oracle) Scalable Webserver and Directory Server Data Services.
• Experience in Performance tuning and capacity planning.
• Experience in Network Configuration, Performance Tuning, Security Hardening on both Solaris and Linux.
• Experience in architecting and setting up data centers.
• Disk space and File system management using Veritas File System.
• Experience with system startup, Operating System interaction, boot options, and parameters on HP DL380G5/G6/G7/Gen8
• Storage Array management with Veritas volume Manager Disk Management software.
• Installed and configured Sunscreen firewall for the lab using Sunscreen.
• Written scripts for deploying code and monitoring systems using Perl and Shell..
• Experienced in Configuration and Administration of NFS, NIS, Samba and DNS on Red hat Linux, Sun Solaris server environment.
• Experienced in Configuration and Administration Patches and Packages.
• Experienced in Configured TCP/IP for Red hat Enterprise Linux (RHEL 4 & 5) systems.
• Experienced in Configured Firewalls and management.
• Experienced in scheduling jobs using crontab and at.
• Experienced in Monitoring system Access.
• Experienced in Production Support environment.
• Implemented file sharing on the network by configuring NFS on the system to share essential resources.
• Experienced in troubleshooting and resolving network issues related to the servers.
• Experienced in Documentation on clients requirements and System Specifications.
• Involved in team building, project implementation, analytical, interpersonal and communication Skills.
• Resolved any issue that may have arisen during this complicated process.

TECHNICAL SKILLS:

Operator System: Sun Solaris 2.6/7/8/9, HP - UX 10.x/11.x, Confidential AIX 4.3, 5.x,Red Hat Enterprise Linux(RHEL 4 & 5), SUSE Linux 10, Fedora, Windows.

Cluster: Veritas Cluster, Sun cluster

Volume Manager: Veritas Volume Manager, Sun Solaris Volume Manager (SVM).

Backup: Veritas Net Backup, Tivoli

Web/Application Server: Tomcat, Apache,Web Logic.

Scripting Languages: Born, Bash, KSH &Perl

Programming Languages: c, c++, Java, J2EE & VB.net

Databases: MS - SQL Server, Oracle 10G.

Tools: /Techniques: MS-Word, MS-Excel, MS Dreamweaver, VI - Editor, VISIO,Microsoft Project, Veritas file System 3.5, Apache & SMC

Firewall: Symantic, Cisco Checkpoint

PROFESSIONAL EXPERIENCE:

Confidential, Mason City IOWA

UNIX / LINUX Administrator

Responsibilities:

• Installed and configured the Confidential AIX 6.1 on P 17-MMB & 9117-MMC) environment.
• Setup the BoKSkeon on all UNIX servers (AIX, RHEL 5, 6) in various environments.
• Installed the NIM (network Installation Manager) server in P770 environment.
• Involved in installation, rebuild and configuration of VIO servers (2.2.1.4 and 2.2.0.13 -FP24 SP-03).
• Involved in taking the backups of HMCs.
• Worked on Confidential Mobility feature LPM (Live partition Mobility).
• Installed Redhat Enterprise Linux on HP Proliant DL 585 G7.
• Administration / installation /upgrade and maintenance of SUN Servers solaris8, 9, 10 using Solaris jumpstart, flash archives and upgrade method.
• Involved in Migration of OS from Solaris to Linux.
• Building and Configuring LPARs, adding resources through HMC
• Installation of Fixes / Patches.
• Performed HMC, P770 & LPAR patching on development and production environments.
• Worked on configuring the VERITAS net backups.
• Hands on experience in configuring and troubleshooting ESM.
• Provide Level 2 and Level 3 server support to the above said servers and co-ordinate with the help desk, Field support and the Application Development teams on deployment of patches & bug fixes.
• Participate in the Internal Change Management processes.
• Installed RHEL for lab on Microsoft Hypervisor V.
• Supported the Chase android and Mac app UNIX servers.
• Install and administer the Solaris 10 on sun T5120 server.
• EMC disk configuration for Web, Application and Database servers from hostside.
• Installed and configured Sun Cluster Server-3.2 on Solaris
• Administering file systems and recognizing file access problems and Disk problems using Veritas Volume Manager-5.1.
• Installation and configuration of veritas cluster-5.0 and experience in implementing VCS (global) failover in production and disaster recovery environments.
• Troubleshooting the Sun SPARC EnterpriseT5120/T5220 Servers
• Monitoring Disk Activity Checking for free space Removing temporary Core files
• Involved in UNIX deployment staff meetings and have done peer reviews on all UNIX servers.
• Analyzing and Handling Hardware problems/failures like Memory, Disk's, CPU's, Control Board, FDDI, SCSI Interfaces Etc

Environment: Red Hat Enterprise Linux5.5,6.2, Solaris 2.8,9,10, AIX 6.1, LPAR,VIO, Microsoft Hyper - V.

Confidential, Woonsocket RI

LINUX Administrator

Responsibilities:

• Supporting infrastructure environment comprising of RHEL 6.4, 6, 5.8, AIX and Solaris 10.
• Building and supporting environments consisting Testing, Contingency, Production and Disaster Recovery servers.
• Performed OS provisioning using kickstart through BMC Bladelogic.
• Performed patching of RHEL using yum, up2date and BladeLogic.
• Experience with VMware Virtualization using ESX hypervisor of Vsphere 4.0.
• Installation, Configuration and up gradation of Redhat Linux 4, 5.X, 6.X and solaris 10 using BladeLogic.
• Creation, Installation and administration of Red Hat Virtual machines in VMware Environment.
• Create, extend, reduce and administration of Logical Volume Manager (LVM) in RHEL environment.
• Resolving different Users request.
• Worked on projects like PCI, SR to ensure all goes well and provided support till servers go in to production environment.
• Creation of SAN File System on Red Hat Linux using multipath configuration.
• Configuration of Network bonding which include Active/Standby and Active/Active.
• Installation of HBA cards ( Emulex and Qlogic )
• Rebuilding of kernel in RHEL using mkinitrd.
• Troubleshooting Network, memory, cpu, swap and File system issues, TCP/IP, NFS, DNS, SMTP in Linux and Solaris servers.
• Performance tuning of Virtual Memory, CPU, system usage in Linux and Solaris servers.
• Configuration of Monitoring tools in Linux and Solaris servers.
• Performed Disaster Recovery in RHEL servers which consists of LVM based FS and Red Hat Clustering.
• Supported class monitoring and management tools such as Open NMS, Tivoli and VCO.
• Installation, configuration and administration of Jboss, Apache, Weblogic, Tomcat and Websphere.
• Building of Oracle RAC (Oracle Real Application Clusters) environment.
• Creation, initialization, addition of Oracle ASM and FSR devices in multipath environment
• Performance Monitoring and Performance Tuning using Top, prstat, SAR, vmstat, ps, iostat.
• Creation of Jumstart and Kickstart configuration for the automatic provision of servers using Bladelogic.
• Installation of Third party tools using packages.

Environment: Environment: Redhat Linux 5.X, 6.X, HP & Dell Servers, Confidential AIX v5.1, v5.2, v5.3, v6.1, p6-570 and p5-570, p5-561, p5-560, p5-55A, p5-505, p-650, p-630, Oracle/DB2, VMWare ESX 4.x, Autosys, VMware ESXi 3.5 BMC BladeLogic.

Confidential, Flagstaff AZ

Linux / AIX Administrator

Responsibilities:

• Red Hat Linux and AIX 5.X server’s administration.
• Confidential P550, P570 and P590, and HP server’s administration.
• Installation, configuration & administration of Red Hat Linux 8/ 9/, RHEL 3.0/ 4.0 / 5.0&AIX 5.1/5.2/5.3 servers.
• UNIX Administration- maintaining around 1000 Production environment including Confidential AIX & RHEL 3.0, 4.0 servers. Managing their memory / CPU load, Disk Space, swap space, processes etc running on them.
• Extensive experience on installation, configuration and maintenance of Squid proxy.
• Manage Servers using HMC/WebSM and create LPARS.
• Building Servers using NIM from mksysb or spot in AIX.
• Configure servers to use HTTP, DNS, NFS, NetBackup, Storage Disk configuration.
• Installed, configured Web Sphere application server/MQ/Portal (5.x/6.0), Confidential Http Server (1.3/2.x), applied refresh packs, fix packs and cumulative fixes.
• Creating &administer user accounts, SUDO access, etc.
• Managing file systems; grow them on the fly using LVM on Confidential AIX and Red Hat Linux.
• Diagnose and correct boot failures arising from the boot loader, module, and file system errors on Red Hat Linux.
• K Shell scripting of error logs, print queue checking, and disc space status via email routing. CRON tab entry experience.
• Performing O/S upgrades and Maintenance level upgrades.
• Use ILO/HMC for remote access of servers on Red hat Linux/ Confidential AIX respectively.
• Troubleshoot hardware, software and Operating system related errors on Red Hat Linux and AIX.
• Troubleshooting AIX/Linux network problems.
• Installed MultiPathing software such as EMC Power path, HDLM.
• Configured Bonding in Linux and Ether-channel in AIX.
• Performed system-monitoring tools like TOPAS, SAR, VMSTAT, IOSTAT to report systems usage and performance.
• Maintain & troubleshoot Storage Disks from Confidential, HITACHI, and EMC Disk arrays.
• Manage and troubleshoot any printer issues.

Environnent: RHEL 3.X, 4.X, 5.X, Confidential AIX 4.3.3, 5.1, 5.2, 5.3, Oracle 8i, 9i, MY SQL, Apache 2.x, VMWare ESX Server, Veritas Volume Manager, Web Sphère. Confidential P510, P670, P690, P550, P570, P590, HP DL320, HP DL330, HP DL 380s.

Confidential, Schenectady, NY

Linux / AIX Administrator

Responsibilities:

• Building, administering, monitoring and troubleshooting RHEL3.x,4.x, Confidential AIX 5.1, 5.2, servers on P-Series, Dell and Compaq hardware platforms.
• Add, remove and resizing Logical volumes using LVM in Red Hat Linux and implementing software RAID at installation time.
• Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS) in Red Hat Linux and Confidential AIX systems.
• Configuring Virtual Machines under VMware ESX Servers to install Red Hat Linux guests.
• Configuration and Implementation of Samba v3.0 to help printing and file sharing in the mixed environment.
• Maintenance level upgrades and software administration on AIX & the RPM installation on Red Hat Linux using up2date and yum.
• Administered Red Hat Linux servers for several functions including managing Apache/Tomcat server, mail server, My-SQL database, and firewalls in both development and production.
• Configuring Kick Start Servers and booting the images using PXE in Red hat Linux.
• Implementation and Management of DiskQuota on Red Hat Linux as well as NetAppfilers.
• Implementation of SSH for secure transfers and implementation of PKI between servers to enable password less logins between Servers.
• Configuration and administration of Apache web server and JBossfor web applications. Application Server on AIX machines.
• Performing O/S and kernelupgrades on Confidential AIX and Red Hat Linux servers.
• Installing, configuring and deploying applications on Web logic Application Server 8.x, 9.x.
• Diagnosed hardware and software problems using DIAG and ERRPT and provided solution to them.
• Manage systems using remote consoles like ILO for HP Hardware and HMC for Confidential P-Series.
• Troubleshoot backup issues, Perform manual backups & restore on VERITAS Net Backup.
• Document and maintain the inventory using asset management techniques.

Environment: Red Hat Enterprise Linux 3.x, 4.x, Linux 8/9, AIX 5.1/5.2, Logical Volume Manger for Red Hat Linux and AIX, Apache 2.0, Web Logic, WebSphere, Confidential P570, p590, 595, Dell 2400, 2450, 2850, 2950.