SUMMARY

• RedHat certified engineer (RHCE) wif over 7 years of IT industry experience as a UNIX System Engineer on RedHat Linux, IBM AIX, Sun Solaris and Windows environment.
• Experience in Installation, Configuration, Implementation, Crash Recovery, Maintenance, Tuning, Security Setup & troubleshooting of RedHat Linux, IBM AIX, Sun Solaris, HP - UX.
• Working experience on Redhat Linux AS and ES 3.0, 4.0, 5.0, HP-UX 10.x, 11.x, IBM AIX 4.x, 5.x, 6.x, Solaris 2.x, 7, 8, 9, 10.
• Providing 24X7 On-call Production and Customer Support including trouble shooting problems related to Linux servers, IBM AIX pSeries servers and Solaris servers.
• Setting up printers / remote queues / Info-print management Migration upgrades of AIX (433/51/52/53), including system tuning, security, backup, recovery and upgrades of IBM AIX and Linux.
• Provided SAN and NAS storage management by creating storage pools, configure RAID, creating aggregates, provisioning LUNS.
• Experience wif SAN management tools like EMC Control Center ECC, SymCLI, Performance Manager, Clariion Navisphere Manager/Analyzer/Naviseccli, EMC Unispehere and Event Manager.
• Configured Volume groups, logical volumes and file systems on Linux .
• Installation of patches, Security fixes, packages on AIX, Linux, Solaris and HP-UX servers
• Experience in VERITAS Volume Manager, and VERITAS File system. Experience wif High Availability cluster servers using VERITAS Cluster Server on Solaris servers
• Extended knowledge in installing AIX in an LPAR environment pSeries including configuring VIOS
• Maintain and use NIM Master for installs and upgrades. Plan and implement service updates
• Excellent knowledge about Oracle Enterprise Linux (OEL) and configurations of Oracle Virtual Machines (OVM).
• Performed systems design, capacity planning and SOX/PCI compliance critical application server maintenance.
• Expertise in Planning, Installation, Configuration of IBM HACMP v 5.1, 5.2, 5.3. Including problem-solving and disaster recovery in detecting and reacting to failure events, allowing the system to stay available during random, unexpected software problems. Experience includes TCP/IP Networking Parallel System Sport Programs (PSSP) which supports best practices in HACMP - High Availability Clusters
• Configuration and administration of Fiber card Adapter’s and handling Linux part of SAN (SAN arrays HITACHI, EMC).
• Experience in Migration of HACMP 4.3.1/4.5 to HACMP 5.1 using Node-by-Node migration wifout changing the cluster setup.
• Used Hardware Management Console (HMC version 7) to build and partition the P5 and P5+ servers.
• Extensive hands-on background in AIX Logical Volume Manager (LVM), OS Upgrades and Servers Disk Crash Recovery mksysb (AIX)
• Experience wif enterprise class storage including SCSI, RAID and Fiber-Channel technologies Installation, Configuration and Administration of HP Data Protector & Veritas NetBackup.
• Performed User Administration and Hardware setup and support of Storage and managed paging space.
• Good understanding about performance tuning techniques and setting up system monitoring using tools like nagios and IBM Tivoli management (ITM).
• Experienced in writing Shell scripts using ksh, bash, perl, for batch processing that is process automation of databases, applications, backup and scheduling to reduce both human intervention and man hours.
• Experienced in Monitoring system Access and Monitoring servers by using tools like Tivoli, and Concord.
• Experience in IBM WebSphere Administration and setting up IBM WebSphere Application Servers in the development, testing and production environments.
• Experienced in implementing the workload Management (WLM) using cloning and clustering
• Conducted AIX / Linux System security and auditing and did Performance Monitoring and Tuning
• Possess strong trouble-shooting attitude and business oriented user interface.
• Possesses ability to work wif minimum supervision, can adapt to changing and inter-cultural environments wif excellent inter-personal skills and able to communicate and collaborate effectively wif co-workers from all levels.
• Ability to handle production support wif strict time constraints and provide 24x7 on-call support wifout compromising quality of work.

TECHNICAL SKILLS

Operating Systems: Linux (RedHat 3.x,4.x,5.x,6.x SUSE 8.x,9.x, Ubuntu 10.x,11.x, OEL 4.x,5.x)Unix - IBM AIX 5.x,6.x,7.x, Sun Solaris, HP-UX Windows 2000/NT4.0,windows 95/98/ME/XP, VMware ESX 2.x,3

Hardware: IBM-AIX RS/6000, pSeries 520, 570, 575, 590, 595, 650, 630, 670, P7, S80, H70 and H80, z/VM-9 series, IBM ESS (Enterprise Storage Server), DS8000, IBM 3494, 3583 Automated Tape Library, Brocade, SUN Enterprise 450, SunFire 4500,V880, V480,E420R,E450,E250, HP Superdome, HP EVA 6000, HP RX servers, HP 9000 Model K 580, HP 0,Hitachi arrays, Backup Devices, Ethernet Hubs, Routers, Repeaters, Jukebox, Printers DELL Poweredge 1650, 2850, 2950, 6400

Web/Application Servers: Websphere Application Server (WAS)3.5,4.0, Netscape/iPlanet Server, MQSeries, WebLogic, JBoss, Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP

RDBMS: IBM UDB2, Oracle 9.x,10.x,11.x, MS-SQL Server 7.0/6.5 and MS-Access 97/95

Programming Languages: C, C++, Java, Servlets, Jsp, EJB,VB, JavaScript, HTML, Perl and Shell programming

Applications: HACMP, Samba, Tivoli (TSM), Veritas, NetBackup, Veritas Volume Manager, LVM, ITM, openstack, puppet, weblogic, websphere, CIFS, Active Directory, LDAP, LAMP, BMC.

PROFESSIONAL EXPERIENCE

Confidential, Scottsdale AZ

Unix/Linux Systems Engineer

Responsibilities:

• Involved in systems design and planning for system migration from existing physical/virtual environment to ReliaCloud environment
• Co-ordinate wif various teams in the operations and make sure that the project timelines are met.
• Co-ordinate wif the customer in requirement gathering and system resource planning and design.
• Design, build and migrate the Linux servers from current environment to the cloud environment.
• Migrate the existing SAN data to the new cloud environment and work wif database team to ensure the data latency and accuracy.
• Participate in regular calls to discuss project roadmap and direction.
• Create user accounts and making sure to meet SOX and PCI compliance practices.
• Use VMware and OVM (Oracle Virtual Machine) for creating new environment to achieve the migration from old data center to the current cloud environment.
• Getting involved in procedures like server cloning and P2V (physical to virtual) and ensure a successful migration using VMware and/or OVM.
• Create netbackup policies and install and configure netbackup clients across the environemnt for data retention, backup and recovery.
• Create virtual machines and provisioned virtual memory, VLANs and virtual storage and provided operations support on RedHat Hypervisor (RHEV).
• Deployed CISCO UCS COMPUTE CLUSTER WITH ESX 5.0 and created virtual machines on ESX for running applications like websphere, tomcat, SAP, BI/BO and databases like mysql.
• Maintain/configure NetApp storage by Configuring Vfiler, volume, aggregates, snapshots using Data ONTAP, FilerView, and DataFabric when required.
• Qtree, CIFS File System, NFS File system Management for NetApp storage.
• Storage administration using EMC unispehere and use of EMC powerpath for multipathing of the enterprise storage systems.
• Storage & Server performance tuning, performance monitoring and health checkup.
• Setup monitoring (Nagios) and support the environment in a 24x7 based on call.
• Implementation of several native Linux services like NFS, DNS, DHCP, NTP, LVM etc.
• Configure and troubleshoot firewall and network related issues on the Linux OS side.
• Install Oracle database and configure the OS requisites for oracle database.
• Ensuring integration of Linux wif other platforms such as windows for file system and user sharing using CIFS/Samba and active directory technologies.
• Troubleshooting issues related to various databases which include oracle and sql and applications which include webspehere and oracle EBS during and after the migration.
• Configure and manage VLANs for new VMs in both VMware and OVM consoles
• Import data from old NFS servers and setup new NFS servers and clients for the new environment
• Reconfigure the cloned as well as P2V Linux (RHEL, OEL, SUSE, CentOS and Ubuntu) and Solaris machines to get them working in the new ReliaCloud environment.
• Create bash scripts to pull the system information across the environment and create reports for management.
• Involved in installation of Oracle, SQL databases and setting up ASM disks for oracle and configuration of oracle database modules.
• Configuration and administration of DNS, LDAP, NFS, NIS, NIS+, FTP and Sendmail/postfix services in RedHat Linux, IBM AIX and Solaris
• Setup ssh/rsh connectivity from old to new data centers for data transfers and other remote activities.
• Follow agile project management methodologies to ensure that the project is meeting its given timelines.
• Technical documentation for the regular procedures followed during the project implementation.

Environment: RHEL 5.x,6.x, SuSe 9.x,10.x; OEL 4.x,5.x,6.x; Ubuntu 10.x, 11.x; Oracle 10g, 11g; Oracle EBS; VMware; VMware ESX; OVM; Cisco UCS; NetApp;EMC VNX; EMC Powerpath; HP Bladesystem c7000.

Confidential, Dallas TX

Linux/AIX Systems Specialist

Responsibilities:

• Performed RedHat Linux and IBM AIX OS Installations on new hardware through native and TPM tools.
• Involved in major power frame migrations from P5, P6 to P7 for both LPARs and VIOS.
• Creating and administering users File System and user accounts on RedHat Linux servers.
• Systems monitoring and administration of RHEL 5.x and 6.x and AIX 5.6 and 6.1 Servers for day-to-day problems in production environment and solved tickets on shift basis.
• Installation, Maintenance and Configuration of Computational Servers wif corresponding and associated software on RedHat Linux and AIX Servers.
• Perform advanced system administration such as capacity planning using BMC patrol, reviewing the server logs and core dump analysis, following audit standards for SOX and PCI compliance and performance tuning.
• Planning, managing and Installation VMware ESX 3.5 /4.0 server, Installation and configuration of virtual center database and installation of VMware infrastructure virtual machine.
• Performing Snapshots, Cloning, Migration VM ware convertor, Virtual Infrastructure client.
• Performed LUN management, metaluns, RAID groups, storage groups.
• Use of unisphere for SAN administration for EMC VNX enterprise storage systems.
• Installed patches, software up gradation, monitored log files, and performed backup for Linux servers as well as IBM AIX servers.
• On-site support and issue resolution of administrators and developers for Linux, Iaas (open stack/cloud computing platforms) and configuration management tools (puppet).
• Actively participated in the automation effort. Utilized Puppet to automate single-command provisioning across various environments for homogenous environment across an application.
• Involved in SAN migration from legacy storage systems to new environment using native volume groups as well as veritas volume manager in IBM AIX and Sun Solaris servers respectively.
• Collecting and analyzing EMCgrab across various platforms and prepare documents like host worksheet, migration task list and host procedure documentation required for Data Migration/Fabric Migration.
• Performed Host Based Migration using VERITAS Plex Level Mirroring on Solaris and Linux.
• Planning, installing and configuration of operating system on new AIX as well as RHEL Servers.
• Configured and managed VIO clients.
• Involved in IBM AIX OS upgrade from AIX 5.6 to 6.1 LPARs and VIO clients on a large scale.
• Actively supported oracle ASM clusters on IBM AIX LPARS.
• Involved in OS migration from Sun Solaris to RHEL and IBM AIX.
• Installation & Configuration of Logical Volume Manager - LVM and Veritas Volume Manager on RedHat Linux Hardware.
• Installed/Configured Websphere and provide on-site support and issue resolution of administrators and developers for Linux, websphere and Iaas (open stack/cloud computing platforms) and configuration management tools (puppet).
• Coordinated wif SAN team for major datacenter migrations.
• LVM and filesystem management in IBM AIX environment.
• Involved in creation and maintenance of raw disks and volumes for databases.
• Patching of IBM AIX servers using NIM.
• Used the NIM OS image or mksysb image to get the maintenance done and bring the server back up.
• Adding/expanding new storage to existing/new systems using VERITAS Volume Manager and Solaris Volume manager.
• Involved in SAN rezone and tech refresh over various storage frames.
• Involved in SAN migration from legacy storage systems to new environment using native volume groups as well as veritas volume manager in IBM AIX and Sun Solaris servers respectively.
• Collecting and analyzing EMCgrab across various platforms and prepare documents like host worksheet, migration task list and host procedure documentation required for Data Migration/Fabric Migration.
• Performed Host Based Migration using VERITAS Plex Level Mirroring on Solaris and Linux.
• Applying new patches and packages for AIX, Solaris and RedHat Linux.
• Installation and Configuration of Oracle10i and MySQL on RedHat Linux 5.x and IBM AIX.
• Installation of system imager on system image server and client server.
• Configure HACMP for a clustering environment on AIX servers.
• Design, configuration, implementation of Web Operations environment wif Apache 1.2.x Web Servers. Installation and configuration of Weblogic application server.
• Installation of OracleRAC 10g on Linux and AIX servers
• Providing day-to-day user administration like adding or deleting users, password aging.
• Troubleshooting Sun Solaris problems, logging call wif Sun, Involvement in Racking servers.
• Kernel upgrades for Linux, AIX and Solaris.
• Configured virtual IPs in Linux and Solaris.
• Interacting wif various teams such as Oracle database, Net-backup and SAN teams.
• Installed i planet web server on Linux Servers.
• Configured VMware and installed several Linux and Windows Operating Systems according to the client needs. Also involved in maintenance and Troubleshooting of VMware.
• Implementation and Management of Disk Quota on Linux and Solaris Servers.
• Installed VMware ESX server on Dell Servers and configured Solaris 9/10, RedHat Linux 5.x, HP-UX, (v. 11),Windows 2000 virtual machines for various applications.
• Installation configuration and Administration of sendmail on Linux and AIX servers.
• Monitoring system activities, and Performance on SUN Solaris, HP-UX and Linux Servers using Tivoli Monitoring Tool.
• Installed oracle 10g, allocating necessary space requirements for oracle database, maintained Oracle database servers for backup operations.

Environment: Redhat Linux 4.x,5.x,6.x, IBM AIX 5.6, 6.1, 7.0, Sun Solaris 8,9,10, VMWARE, E3500, E4500, E6500, Sunfire V880, V440, HP Sure Store Array, Sun Storage Array D1000, A5000, HP DL series (320, 360, 560, 580, 760,T3,Xen,Storagetek Sun 6140, L700,HBA,Connextrix manager, EMC VNX, EMC Unisphere, VERITAS Volume manager, System imager, Veritas Net backup, Veritas Cluster server, ssl, Tivoli, Iplanet webserver, Jboss, Apache, Tomcat, JVM, Oracle 10g, Oracle RAC/ASM.

Confidential, Dallas TX

UNIX System Administrator

Responsibilities:

• Installed, upgraded and configured RHEL 5.x/4.x and IBM AIX 5.x/4.x on HP servers and IBM P550, P570 and P590.
• Provided 24/7 on call support on UNIX Production Servers. Responsible for maintaining UNIX security on Redhat Linux and IBM AIX.
• Worked wif Oracle Database Administrators and reviewed the required maintenance tasks.
• Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail in RedHat Linux, IBM AIX and Solaris.
• Installation, Configuration and support for Redhat Satellite Server.
• Perform capacity planning and performance tuning depending on application/database requirements.
• UNIX Administration- maintaining around 1000 Production environment including IBM AIX & RHEL servers. Managing their memory / CPU load, Disk Space, swap space, processes etc running on them.
• Manage Servers using HMC/WebSM and create LPARS.
• Installation and configuration of LVM & HACMP on various AIX Servers.
• Installing and configuring HP c-Class Blade Environment wif Flex-10 Virtual Connect.
• Installed RPM packages on Linux Servers, patching Linux servers using YUM repository/RHN server.
• Configuration and Maintenance of AutoFs in AIX and Linux.
• Day to day Linux and AIX hardware support, problem and change ticket implementations, composing scripts, OS builds & upgrades along wif day-to-day Storage & UNIX Administration.
• Taking Backup and restoring the data using mksysb.
• Modified existing Linux file systems to a Standard EXT3 as well as migrating all Solaris Database files to ZFS to increase system performance.
• Following audit standards for SOX and PCI compliance and creating audit reports whenever required.
• Performance Monitoring and Tuning using iostat, vmstat and netstat.
• Installation, configuration & administration of Redhat Linux 8/ 9/ RHEL 3.0/ RHEL 4.0 & AIX 5.1/5.2 servers.
• Building Servers using NIM from mksysb or spot.
• Responsible for Monitoring and fine tuning system and network performance for Linux systems.
• Configure servers to use HTTP, DNS, NFS, NetBackup, Storage Disk configuration.
• Creating & administer user accounts, SUDO access, etc.
• Managing file systems; grow them on fly using LVM on AIX and Linux.
• Implementing software RAID at install-time on Linux.
• Add, remove, and resize logical volumes on Linux and AIX.
• Written shell scripts to automate the administrative tasks using cron and at in AIX and Linux.
• Diagnose and correct boot failures arising from boot loader, module, and file system errors on Linux.
• Mirror the root volume group in AIX and use it for redundancy.
• Day to day Linux and AIX hardware support, problem and change ticket implementations, composing scripts, OS builds & upgrades along wif day-to-day Storage & UNIX Administration.
• Installed and configured the iPlanet (Sun One) Web servers & setup firewall filtering wif Squid Proxy server for web caching on Sun Solaris.
• Creating and managing VM’s through Virtual Centre and VSpehere client.
• Performing O/S upgrades and Maintenance level upgrades.
• Use ILO/HMC for remote access of servers on Linux/AIX respectively.
• Troubleshoot hardware, software and Operating system related errors on Linux and AIX.
• Troubleshooting AIX/Linux network problems.
• Install multipathing software such as EMC powerpath, HDLM.
• Configuring bonding in Linux and etherchannel in AIX.
• Maintain & troubleshoot SAN and Fibre card related errors on AIX.
• Maintain & troubleshoot Storage Disks from IBM, HITACHI, and EMC Disk arrays.
• Manage and troubleshoot any printer issues.
• Shell Scripting to automate tasks on AIX and Linux.
• Co-ordinate wif IBM and HP for faulty part replacement.

Environment: AIX 5.1, 5.2, 5.3 RedHat Linux 4,5 AS3.0/ AS4.0, LVM for Linux, EMC Disk Array, Apache 2.0, HACMP, Websphere, NIM.

Confidential, Little rock, AR

Linux/Solaris System Administrator

Responsibilities:

• Installation, configuration and Operating System upgrade on Red Hat Linux on HP-Dl585 servers.
• Installation of Oracle-8i Server, Oracle Client Software on the application server and configuring the connectivity using JDBC drivers for the DB. Troubleshooting the connectivity from the Application to DB, maintenance of the DB’s in server.
• Implemented the Clustering Topology that meets High Availability and Failover requirement for performance and functionality.
• Doing Pre-migration checks on Servers running Solaris 8/10 and Red Hat Enterprise Linux 4/5.
• Collecting Pre-Migration Data using Shell Scripts for Solaris and Linux to handle Server Migration each weekend.
• Administered the UNIX System for clustered HP Servers wif fiber attached SAN.
• Migrated ORACLE RAC servers using system Imager and effectively worked wif the database team to bring up/down the databases.
• Build channels and pull the packages from master Redhat Satellite Server.
• Written shell scripts to automate the administrative tasks using cron and at in AIX and Linux.
• Creation of Logical volumes (LVM) for Red Hat Linux and IBM AIX operating systems.
• Installed & configured Sun Fire 210, V240, V440, V490, V880, 1280 & HP Proliant. DL- 320/360/380/560/580/585 L Servers. Mirrored root disks on all the servers by using Solaris volume manager. Installed and configured HBA card in SAN storage.
• Used softwares like EMC powerpath and Veritas Dynamic Multipathing for connectivity wif SAN.
• Used Symantec Enterprise Security Manager for system integrity check on newly build servers
• SENDMAIL configuration and administration, testing the mail server.
• Tuning the kernel parameters based on the application/database requirement.
• Used package management tools like mrepo and YUM for supporting various distributions of linux.
• Experience in Servers consolidation and virtualization using VMware infrastructure Client, VMware ESX, VMware Vsphere Client.
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Involved in making the new builds Infrastructure Ready, Application Ready & Production Ready.
• Used internal tools like ESM, Opsware Server Automation, Tideway.
• Worked on Backup tools like Tivoli Storage Manager(TSM).
• Co-ordinating wif team members to push the newly builds into production on the said time-line
• Implemented Virtualization using VMWare in Linux on HP-DL585.
• Linux kernel, memory upgrades and swaps area. Redhat Linux Kickstart Installation - Sun Solaris Jump start Installation. Configuring DNS, DHCP, NIS, NFS in Sun Solaris 8/9 & other Network Services.
• Formatted raw disks & partitioned them using the format utility. Created file system using newfs and mounted it. Created devices and special files using mknod.
• Network troubleshooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc
• Installed of all the required Software, patches, documentation, licensing trouble shooting.
• Network Monitoring Using Nagios tool.
• Implemented high-availability applications based on the Unix/Java stack, mainly the JBoss Application server on top of RedHat Linux OS.
• Provided support for Red Hat JBoss 4.x and Apache 2.x, ATG applications for operations related to installation and configuration.
• Setup various user profiles, environment variables/security to ensure smooth operation.

Environment: Redhat Linux 4.0, Sun Solaris 8,9,10, Sun T2000, HP-DL585, Solaris Volume Manager, Solstice Disk Suite, Veritas Cluster Server, Enterprise Security Manager, Opsware, Weblogic 8.1, Oracle 9i/10g.

Confidential

Jr. System Administrator

Responsibilities:

• Configured IBM RS 6000 for production, staging and test environments.
• Installation and configuration of RedHat Linux, NT servers
• Installation of patches, security fixes, e-fixes, packages on AIX, Linux and Windows NT/2000 Servers.
• Update latest patches and upgrade all applications to the latest versions.
• Configuring Windows 95, 98 and NT workstations in NT domains
• Setup LAN consisting of ten RS-6000 Servers running AIX 4.3,5.0, 5.1, and five Solaris Name Servers (E450)
• Supporting the network on connectivity issues relating to TCP/IP, IPX, and AppleTalk.
• System Administration and engineering of Windows NT\2000, Active Directory Administration and engineering.
• Administering user accounts: Adding users, user-groups, removing users & groups and Changing user environments.
• Migrated database applications from Windows 2000 Server to Linux server.
• The primary responsibilities of the job include monitoring all the Windows NT servers verify everything in sync and at optimum performance and take proactive measures to reduce the Downtime.
• Troubleshooting of DNS and DHCP related problems.

Environment: RedHat Linux 3.0, IBM AIX 4.3.3, SUN Solaris 2.6, NT/2000, MS Operating System, DHCP, DNS, User Management, Network Management