SUMMARY

• Over 8 years of expertise in Unix Server Build and different areas of System Administration.
• Extensive Unix Build and System Administration experience in heterogeneous environments comprising Red Hat Linux 4.x,5.x, 6.x, Sun Solaris (8/9/10), IBM AIX 4.x,5.x,6.x, SUSE 10/11 and ESX.
• Extensive experience in Installing, Configuring, Administering, Maintaining and troubleshooting various types of Redhat Linux, VMware, SUN Solaris Systems and AIX Servers.
• Experience in implementing High Availability Clusters using Redhat Cluster and Veritas Cluster.
• Experienced in supporting Linux and Unix Servers in the Production environment.
• Build Linux Servers on Dell 2850, HP DL 580 G5, 380 G5/G7, HP Blade Servers via Kickstart Server.
• Build and troubleshooting experience with ESX Servers and ESXi Servers, vSphere and vCenter manager.
• Installed and configured RHEL Linux, Novell SUSE Linux Enterprise server 9, 10 on servers & desktops.
• Hands on experience with Ubuntu and CentOS.
• Well versed in configuring Volume Groups and Logical Volumes, extended logical volumes for the system growth needs using Logical Volume Manager (LVM) on the Redhat Enterprise Linux Servers.
• Experience in Installing and Configuring Redhat Satelite Server 6.0
• Hands on experience with Puppet.
• Managing and configuration of various servers using Puppet modules.
• Created GIT Master server and uses for version control
• Used Puppet for central management of Linux configuration files and software package management.
• Installation, Configuration of the ADDM of the Linux based network scanning appliance.
• 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 Redhat Linux and VMware and Solaris platforms.
• Experience in Managing Web and Enterprise Applications on BEA WebLogic and JBoss Application Servers.
• Monitoring and configuration of various servers using Puppet modules.
• Configuring and administering VMware ESX/ESXi and created and managed VMs (virtual server) and also involved in the maintenance of the virtual server.
• Experience in Solaris 8, Solaris 9 and Solaris 10 Live Upgrade projects and have expertise with SMF utilities, Zone Configuration and ZFS File Systems.
• Experienced with GPFS file systems includes Installing and Upgrading.
• Expertise in building Microsoft Windows 2008 R2, 2008, 2003, 2000 servers using HP Smart Start, Array configurations, diagnosing server.
• Installation of patches, Security fixes, packages on Linux and Windows (wintel, windows 7, XP, Vista) NT/ 2003/2008/2010 Servers.
• Worked on ESX and ESXi 3, 3.5, 4.0, 4.1 and 5.1.
• Worked on vCenter Server 4.1 and 5.1 for managing multiple ESXi Servers.
• Strong knowledge and hands on experience in data center Migration.
• P2V and V2V conversions using VMware Converter Enterprise 3 and 4 and PlateSpin.
• Strong understanding of VMware Networking concepts like creation of vSwitches, different types of portgroups, NIC Teaming and VLAN Problem management on VMware ESX 4.X and Virtual Center and vMotion.
• Configuring and administration of NFS server and NFS client & NIM Server and Client.
• Installation, Configuration and administration of Sun Solaris 8,9,10 via Wanboot Server on various hardwares like M5000, T2000, T5000, E25k, E15k, E2900, SPARC and V series Hardwares.
• Experience with various tools and technologies such as CDE, SDS(Solstice Disk Suite), Veritas Volume Manager, Veritas Symantec NetBackup, Samba, RAID technology and other Admin tools.
• Managed the use of disk space, memory, network segments and other communication devices
• Created and Managed File Systems for Oracle and Sybase Databases.
• Worked with monitoring tools like Tivoli, HP OpenView, Wily Introscope, Active Watch and BMC Patrol.
• Log calls with HP, DELL, IBM and Sun for troubleshooting Hardware related issues.
• Well experienced with configuring ILO on HP Servers and DRACK on Dell Servers.
• Experience with HP BladeSystem Onboard Administrator using both GUI and CLI
• Experienced in installing Powerpath, SDD and HDLM drivers for accessing SAN on the UNIX Servers.
• Experience with Cobbler, AutoYast, RPM package manager, Kickstart, Novell's Identity Manager and VERITAS File System management, VCS (VERITAS Clustering Suite).
• Configured and Administered HACMP 4.5, 5.1, 5.2, 5.3, 5.4, 5.5 IBM PowerHA.
• Installation, administration of VIO Server’s, VIO client LPAR’s and Dedicated LPAR’s.
• Power VM Virtualization (SEC,vSCSI,NPIV), Dynmaic LPAR (DLPAR).
• Perform korn shell and Perl scripting as needed to support integration and automation as necessary.
• Experience with patch/package management tools such as up2date, yum, Solaris patchadd, AIX install.
• Provide 24x7 on call server support for UNIX and Windows Production environments.
• Very good exposure of the migration process using SRDF, involved in V2V, P2P and re-installs.
• Ability to learn new and existing hardware and software and adapt to new environments

TECHNICAL SKILLS

Operating Systems: Redhat Linux 3.x/4.x/5.x/6.x (Redhat, SUSE, Ubuntu, CentOS), ESX4.x/5.x Windows (wintel, windows 7, XP, Vista) 2000/03/NT4.0, IBM AIX 4.3, 5L, 5.1, 5.2, 5, 3, 6.1, and Sun Solaris 8/9/10.

Virtualization Products: VMware ESX 3, 3.5 and 4.0/4.1, Virtual center server, VIO and Solaris Zones

Server Hardware: HP DL 380, 580 G5/G7/G9, HP Superdome, HP Integrity Server Blade, Dell 2850, 3850, R710, R910, IBM RS/6000, pSeries 550,570,650,630,670,710,750,770, x86, SUN Sparc Ultra’s, SUN Enterprise 450, M4000, M5000, M9000, T2000, E25k,V 240/280, T4-1,, Brocade Switches, CISCO Nexus 2000 and 5000 Series Switches and Fabric Extenders, EMC, Cyclades Terminal Servers, Cisco2900 Routers.

Admin Skills: Puppet,Nagios,Solstice Disk suite, SVM, LVM, Verities Volume Manager, VCS, Legatos Net worker, Symantec NetBackup, VMware Vsphere, PlateSpin, Admintool, IBM Tivoli,JBoss, WebLogic, MQSeries, SMF utilities and Zone Utilities,smit, linuxconf, vmstat, iostat, top, traceroute, ntop, and Oracle

Programming Languages: C,C ++, Java, HTML, Shell (bash, C and Ksh), Perl, Python, Puppet

Web/Application Servers: WebSphere Application Server 3.5/4.0, MQSeries, WebLogic Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB, Apache 2.2, Tomcat 5.5.

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

PROFESSIONAL EXPERIENCE

Confidential, Phoenix, AZ

System Engineer

Responsibilities:

• Installation and configuration of Redhat Linux Servers & ESX servers through manual and autobuild process
• Performed build from scratch installation, migration, configuration and maintenance LINUX 4.x/5.x/6.x, Suse 10/11 and ESX via Kickstart Server and Windows on various HP and Dell Servers.
• Racking and mounting of the hardware’s and configuring ILO and DRACK on the HP and Dell Servers.
• Worked on all types of Hardware’s like Dell 2850, 3850, 6850, HP DL 380,580 G5/G7/G9,HP Integrity Servers Blades which includes BL860C, BL870C and BL890C i2 Servers.
• Installed different virtualization products such as VMware server 2.0, ESX 3.5/4.0 on a physical server which in turn will host different virtual servers running different SUSE versions, Linux, Solaris etc.
• Automated server building using System Imager, PXE, Kickstart and Jumpstart.
• Installed, Build, configured, and deployed RedHat virtual servers in a VMware vCenter environment.
• Installing and configuring Ubuntu on the Virtual Machines.
• LVM (Logical Volume Manager) Administration, OEL and VMware Administration.
• Experience in Installing and Configuring Redhat Satelite Server 6.0
• Well experienced with User Management Administration and File System Management.
• Performing day to day LVM operations and System Admin tasks.
• NFS configuration & administration
• Security, users, groups’ administration and daily backup and restore operations, networking service, performance, and resource monitoring.
• Installing and Configuring Redhat Satelite Server with an ISO image and with an HTTP Proxy
• Configuring Account preferences and LDAP Authentication for Redhat Satelite Server
• Integrating Nagios with other monitoring/alert solutions (splunk, pingdom, pagerduty)
• Configuration and maintenance of Puppet, CHEF, MySQL, Kickstart, LDAP Server, Sendmail, Apache (2.x), NFS, CIFS, DHCP, NTP and SSH
• Created CHEF master and client servers
• Experience with CHEF in implementing configurable vendor software packages
• Created node objects and Run list for CHEF clients
• Experience With CHEF automation tool for creating new virtual machines and deploying applications to support complex infrastructure.
• Experience in installation, Configuration, Deployment and Management of Web and Enterprise Applications on BEA WebLogic Server 8.x/9.x/10.x and JBoss Application Servers.
• Installed and Configured JBoss Application Servers for Dev, QA and Prod Systems.
• Deployed Web and Enterprise applications on JBoss Application Server.
• Monitored Applications for High Availability.
• Installed, tested and Deployed monitoring solutions with Splunk Services.
• Maintained and managed assigned systems, Splunk related issues and administrators.
• Adding Oracle ASM disk to the server. Creating and managing LVM.
• Involved in large data center migration - planning, designing, moving servers to new data center, coordinating & troubleshooting issues with various data center, network, application and storage teams.
• Physical to Virtual Machine Migration (P2V) and Physical to Physical Server Migration (P2P).
• Configuring and monitoring Disk Mirroring and stripping using LVM.
• Monitoring and configuration of various servers using Puppet modules.
• Used puppet for central management of Linux configuration files and software package management
• Improved Linux OS deployment & management by creating customized kickstart scripts and installing puppet.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
• Installed and Configured WebSphere Application Server 5.1 and 6.1
• Installing tools like PowerPath, Power Broker, BMC patrol, VSA, Tivoli, ITM on the AIX and Linux.
• Installation and configuration of NIM master server and clients. Installing OS on NIM clients using NIM Server.
• Responsible for Installing Security fixes, upgrading of the Linux Servers.
• Hardware troubleshooting, Maintenance and replacement of failed HP and Dell hardwares.
• Doing 24x7 pagers on call support duties on a rotation basis with other Server Build Administrators.

Confidential

Linux Server Build Engineer

Responsibilities:

• All aspects of 24x7 Live site Operations.
• Installed, Build, Configured and Maintained Redhat Linux and Unix Servers from the scratch on the various hardwares which includes Dell, HP and Blade Servers.
• Expertise in post build configurations as per the clients requirement.
• Well experienced with User Management Administration and File System Management.
• Performing day to day LVM operations and System Admin tasks.
• Experience with performance monitoring utilities like IOSTAT, VMSTAT, SAR, TOP and PRSTAT
• Configuring and implementing LINUX Kernel re-compilation.
• Management access and CLI utilities.
• Well experienced with configuring of ILO and DRACK for Dell and HP Servers
• Expereince with Oracle Virtual Machine Manager in managing Virtual Machines
• Provide temporary and permanent sudo permissions to users depending on the job requirement and security request clearance.
• NFS configuration & administration
• Security, users, groups’ administration and daily backup and restore operations, networking service, performance, and resource monitoring.
• Migrating VCS, Oracle RAC and Redhat Clusters with gfs filesystems servers across the Data Center, which includes Configuration of new IP, VIP and Prative IP.
• Build and configured migrations of Linux (V2V, P2P and Lift and Shift on RHEL 5).
• Configuring monitoring tools like Nagios, Mod-gearman, Thruk etc.
• Design and implementation of Nagios in a multi-datacenter environment
• Migration of ESXi host and Vm's across datacenters.
• Administration of multiple Redhat Linux machines and Redhat cluster
• Install and troubleshoot Galileo performance explorer on the Unix Systems
• Documented the procedures to install Redhat Linux, VMware Clients and setup on Linux machines
• Adding EMC LUNs to Linux Servers for ongoing space requirements, Managing EMC master agents on Linux, working with Storage team on EMC Symmetrix
• Logging calls with HP (Linux),Sun Microsystems, Symantec, Emulex, EMC, for resolution of critical problems.
• Upgrading from vSphere 4.1 to vSphere 5.0.
• Adding Disks and Creating Slices and File System Administration on Solaris 8/9/10.
• Installing and configuring CentOS6.x on VMware Machines.
• Troubleshoot hardware issues, cabling issues and check for issues on fabric or switch.
• Veritas File System. Creating/deleting root disks, root mirror, metadevices, metadbs, mirrors using Solaris Volume manager Solstice Disk Suite.
• Configuration of Solaris 10 Wanboot server, zone creation, Role administration.
• Migrating of the Zones from one Hardware to a different Hardware i.e P2V and V2V migration.
• Well Experienced in Live Upgrades Projects on the Solaris 10.
• Migrating the existing Solaris Servers from SVM to UFS and then to ZFS for Live Upgrades
• Installation and configuration of NIM master server and clients. Installing OS on NIM clients using NIM Server.
• Installed and Configured Veritas Symantec NetBackup and Veritas Cluster Suite on the Unix Servers.
• Restoring the Files or the FileSystems from the Symantec NetBackup.
• Updating Symantec Netbackup from 6.5 to 7.1 and 7.5 on the Unix Servers
• Dealing with sev1, 2, 3, 4 and system down PMRs.

Confidential, New York NY

Linux System Administrator

Responsibilities:

• Supporting 24x7 Live site Operations on the Production Servers.
• Responsible for software( migrating from older version 4.3, 5.4 of Aix to newer 6.x version) and hardware refreshes ( responsible for migrating the old hardware RS-6000, sp nodes, p4 to new hardware p6 )
• Build and provide support for AIX, Linux and Solaris Server’s.
• Installing and Configuring Redhat Linux 4.0/5.0/6.0 on the HP DL 380, 580 Hardwares
• LDAP installation and Configuration on the Unix Servers.
• File System creation and Management.
• Installing and configuring Ubuntu on the Virtual Machines.
• Trouble shooting wireless network issues on the Ubuntu.
• Managing Disk File Systems, Server Performance, Users creation and Granting File access Permissions.
• Mirroring of root disk on AIX and Linux Servers.
• Troubleshooting User’s login and home directory related issues
• Managing Disks and Partitions using LVM(Logical Volume Manager)
• FTP creation and HMC user ID Management.
• Security implementation by using ACL’s and Special file Permissions.
• Expertise in Troubleshooting on High Availability Clusters (HACMP).
• Responsible for migrating Hacmp form v5.4 to 5.5 and to powerHA
• Responsible for Auditing Server build’s, to ensure security compliance, and SOX compliance.
• Installation and configuration of LPAR’s with AIX 6.1, AIX 5.3 on p5 and p6 frames.
• Experience in Installation, Configuration and Troubleshooting of Tivoli Storage Manager (TSM).
• Installed and configured RHEL Linux, Novell SUSE Linux Enterprise server 9, 10 on servers and desktops.
• Co-ordinate with IBM/SUN CE’s to replace failed Hardware or add new hardware including but not limited to fiber channel adapters, Ethernet controllers, disks, memory dimm’s etc.
• Coordinating with SAN team for allocation of LUN’s in order to increase filesystem space.
• Troubleshoot SAN issues with EMC Symmetrix and Clariion.
• Configuration and administration of Fiber card Adapter’s and handling AIX part of SAN.
• Adding new managed systems to the HMC and upgrade the firmware of the HMC’s as required.
• Installation and troubleshooting on VMware running Linux (RehHat, SUSE) and Windows (Windows 7, Vista).
• Clustered multiple p-series machines on AIX 5.3 and AIX 6.1 using HACMP 5.4 and IBM PowerHA.
• Installed and configured IBM PowerHA.
• Wrote shell scripts for automated installations, to extract logs.
• Performing Failovers in HACMP / cluster environment, monitoring servers.

Confidential, Agoura hills, CA

Linux/Unix System Administrator

Responsibilities:

• Provide onsite and remote support for AIX/Solaris Server’s.
• Provided 24x7 on call server support for UNIX environment including AIX, Linux, HP-UX, and Sun Solaris.
• Responsible for software( migrating from older version 4.3, 5.4 of Aix to newer 6.x version) and hardware refreshes ( responsible for migrating the old hardware RS-6000, sp nodes, p4 to new hardware p6 )
• Configured IBM p-series 550,570,590,595,690 machines for production, staging and test environments.
• Installation and troubleshooting on VMware running Linux (RHEL, SUSE).
• Responsible for Auditing Server build’s, to ensure security compliance, and SOX compliance.
• Expertise in Build, Install, load and configured the boxes Power 550,520,560,570,590,595.
• Installation and configuration of LPAR’s with AIX 5.3 on p5 servers.
• Experience in Installation, Configuration, upgrading and Troubleshooting of Tivoli Storage Manager (TSM).
• Installation and troubleshooting of IBM Director and Tivoli Endpoint.
• Hardware troubleshooting, Maintenance and replacement of failed hardware.
• Provide redundancy with HBA card, Ether channel configuration and network devices.
• Configuration of VIO server and VIO clients from Hardware Management Console.
• Upgrading HMC version and Firmware.
• Administration of multiple AIX machines, AIX clusters, and SP nodes from any client platform through WebSM.
• Installed and configured RHEL Linux, Novell SUSE Linux Enterprise 8, 9 and 10 on servers and desktops.
• Experience with Cobbler, AutoYast, RPM package manager, kickstart, Novell's Identity Manager and VERITAS File System management.
• Good LVM skills, used LVM, created VGs, LVs, and disk mirroring.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.
• Experience in connecting to an EMC disk subsystem with Powerpath and MPIO.
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Configured Work Load Management (WLM) for Apache and IBM WebSphere Application Server.
• Clustered multiple RS6000/p-series machines on AIX 5.2/5.3 using HACMP, configured HACMP cluster to keep applications running.
• Performing Failovers in HACMP / cluster environment, monitoring servers.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Worked with monitoring tools like Tivoli monitoring, HP OpenView, Wily, ActiveWatch and BMC Patrol.
• Backing up AIX servers using mksysb and ADSM/TSM.
• Improve server utilization and sharing I/O resources to reduce total cost of ownership and make better use of IT assets using PowerVM (Advanced Power Virtualization).

Confidential, Weehawken NJ

Unix System Administrator

Responsibilities:

• Configured IBM RS 6000/p-series,550,570,520,610 machines for production, staging and test environments
• Hardware Maintenance and System Administration of Solaris servers.
• Configured and administrated LPAR’s.
• Installed, Configured and administrated VIO server and Lpar clients.
• Administration Tasks included User administration, Performance, Sendmail and weekly mksysb
• Daily roles included dealing with LVM extensively. Strong hold of LVM.
• Experience with VERITAS NetBackup, VCS and backup and recovery using VERITAS NetBackup and ADIC tape libraries.
• Taking backups with VERITAS NetBackup 5.0 and troubleshoot failed backups.
• Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters.
• Installation and troubleshooting on VMware running Linux (RehHat) and Windows.
• 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.
• Dealing with user id deletion with removing entries from CRONTAB.
• Performing Failovers in HACMP / cluster environment, monitoring servers with VERITAS Cluster Manager, VCS (VERITAS Clustering Suite).
• Responsible for installing configuring and supporting active directory
• Configured Work Load Management (WLM) for IBM WebSphere Application Server.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494, STK (Sun) ACSLS tape libraries.
• Perform UNIX administrator duties supporting production servers running ERP (SAP) and database (Oracle, data guard, Sybase, PeopleSoft, and DB2).
• Installed and configured Sudo for users to access the root privileges.
• Administered UNIX servers for several functions including managing Sendmail, Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
• Developed Korn and Bash shell-scripts to automate routine activities.