SUMMARY

• Close to 7 years of experience specialized in System Administration working on Sun Solaris, Redhat Linux, SuSE Linux, AIX and Windows environments.
• Experience in administering Solaris & Linux. Experience in Installation, Configuration, Backup, Recovery, Maintenance, and Support of Solaris & Linux servers.
• Experience in Installing, upgrading and configuring Red Hat Linux 3.x, 4.x, 5.x, 6.x using Kick start Servers and Interactive Installation.
• Excellent working knowledge with designing installing and implementing VMware ESX Server, VMware Virtual Center, VMware vSphere, VMware Infrastructure client and other products for Virtualization.
• Worked on OS migrations, upgrade and BIOS and NIC firmware upgrades.
• Worked with Database administrators to tune kernel for Oracle installations.
• Involved in installing Puppet client on Red hat & Solaris servers for Automation purpose
• Experience with Veritas Volume Manager (VxVM), Veritas File System (VxFS), Veritas Net Backup, Veritas Clustering, Red Hat Cluster, MC Service Guard with SAN, NAS environment.
• Experience in installing, configuring and implementing the RAID technologies using various tools like VxVM
• Configuration and administration of Fiber card Adapter’s and handling of SAN (EMC, Hitachi, and Netapp).
• Expertise in system and network monitoring tools Nagios
• Managed Git repository, code merging, and production deployments
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Solaris and Redhat Linux.
• Installation and up gradation of Packages and Patches configuration mgmt, version control, service pack. & reviewing connectivity issue regarding security problem.
• Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, send mail, ftp, remote access, security management and Security trouble shooting skills.
• Involved in developing custom scripts using Python, Perl & Shell (bash ksh) to automate jobs.
• Experienced in Configuring Sun SMC, ALOM, ELOM and ILOM’s.
• Used tools such as GIT and SVN to maintain version control Netscape Enterprise Server 4.0, Tomcat 3.x, 4.x, 5.x & Apache Server 1.x, 2.x.
• Experience in Installation and Configuration of JBoss on Sun Solaris and Red Hat Servers.
• Experience in Installation of Oracle and MYSQL.
• Experience on Multipathing Software (EMC Power path)
• Experience in implementing the workload Management (WLM) using cloning and clustering.
• Experience in writing shell scripts to automate the administrative tasks and management using cron and at.
• Expertise in scripting for automation, and monitoring using Shell, Python & Perl scripts.
• Team player with good management, analytical, communication and interpersonal skills.

TECHNICAL SKILLS

Operating System: Sun Solaris 10/9/8, Red Hat Linux 6.x/5.x/4.x/3.x, AIX 5.3/5.1/6 and Windows NT/2000/2003.

Application servers: Apache tomcat, JBoss application server 7.x/6.x, WebSphere and Weblogic.

Virtualization: Oracle virtual box and VMware ESX Server 3.x/4.x/5.5.

Cloud services: Amazon Web Services (Ec2/S3/EBS/IAM/SNS/SQS/ELB)

Build Tools (CI): Jenkins, Hudson, bamboo, Maven, ant and build Forge

Config. Management tools: Puppet and chef

Programming Languages: Korn Shell (ksh), Bash, Python, PHP and Perl.

Revision control: SVN, Git

Other tools: Remedy, Jira, Nagios.

PROFESSIONAL EXPERIENCE

Confidential, Washington

Operations Engineer

Responsibilities:

• Responsible for building out and improving the reliability and performance of infrastructure deployed on Amazon Web Services.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management usingpuppet.
• Involved in maintaining user accounts (IAM), SQS, SNS Services on AWS cloud.
• Designed puppet modules to manage configurations and automate install process.
• Wrote Puppet manifests for deployment and configurations. Deployed PuppetDB.
• Extensive experience in implementing Continuous integration systems for Java based projects using Ant, Maven, Jenkins and Hudson.
• Work with development/testing, deployment, systems/infrastructure and project teams to ensure continuous operation of build and test systems.
• Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
• Experience with version control tools like GIT and SVN and integrated build process with Jenkins.
• Hands on experience in automating builds and deployment process using Shell scripting.
• Experience working with VMWare tools like vCenter&vSphere to manage VM's running on ESX cluster nodes and also experience working vMotion.
• Utilize Cloud formation and Puppet by creating DevOps processes for consistent and reliable deployment methodology.
• Setting up cron schedules for backups and monitoring processes.
• Diagnosing and resolving systems related tasks in accordance with priorities setup in dealing with trouble tickets.
• Responsible for maintaining standard operation procedures for storage environment.
• Updating YUM Repository and Redhat Package Manager (RPM).
• On - call support for 24/7 for troubleshooting production issues.

Environment: AWS, Jenkins, Hudson, Maven, Ant, VMware, Puppet, Git, SVN and Oracle.

Confidential, Fortworth, Texas

Linux/Unix administrator

Responsibilities:

• Installation, configuration and Administration of Redhat Linux Servers, HP-UX and Solaris Servers.
• Worked on Server migration/Data Center move projects in various stages for all Linux Servers.
• Provided on-call support by rotation to provide 24x7x365 support.
• Acquired comprehensive requirements from Project Managers, Team Leads pertaining to the servers to be migrated.
• Coordinated with the Storage, Network and Hardware teams on server provisions
• Worked on deploying Puppet and Puppet dashboard
• Configured AWS cloud servers using AMI
• (HP Proliant DL385/585 G5, G6 servers, and HP BL465C G5 blade centers).
• Utilized Remedy for data center service requests (Network requests for IP’s, ILO’s, and DNS changes).
• Build and configured migrations of Linux (V2V, P2P and Lift and Shift on RHEL 3, 4, 5).
• Automated server building using System Imager, PXE, Kick start and Jumpstart.
• Setup and configure failover load balancing using IP bonding for network cards.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• 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).
• Applied appropriate support packages/patches to maintain system integrity.
• Setting up cron schedules for backups and monitoring processes.
• Troubleshooting and administering High Availability using Redhat Cluster, VERITAS Cluster Server on various business critical database & application production servers.
• Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring.
• Setup NFS file systems and shared them to clients.
• Troubleshooting and configuring NAS and NFS mount points.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems.
• Installation and configuration on System imager server on RHEL 5.
• 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 GFS (Global File Systems) servers across the Data Center, which includes Configuring of new IP, VIP and Private IP.
• Changing the EMC Pseudo names to make sure all nodes in cluster have same pseudo names.
• Adding Oracle ASM disk to the server. Creating and managing LVM.
• Installation and configuration of Multipathing software.
• Deport/Import Volume Groups.

Environment: Red Hat Enterprise Server (RHEL 3, 4 and RHEL 5), HPUX-11i, 11.x, 10.x,EMC Power path, Oracle RAC, Perl scripting, VMware ESX Server, Qlogic, Emulex, DELL Power Edge 2850, 2950, 6850, 6950, HP DL 585, 380, 385, SE 1210, HP Blade servers, EMC Clariion Storage.

Confidential

Unix/Linux Systems Administrator

Responsibilities:

• UNIX/LINUX System and Network administration in Sun Solaris (9/10), HP-UX (10.x, 11.x Linux (RedHat 3/4/5 & SUSE 9/10/11) including design, engineering and building servers as per requirement.
• Storage Provisioning, Volume and File system Management using LVM, Veritas Volume Manager and Veritas File system (Veritas Storage Foundation), Configuring ZFS file systems.
• Experience supporting Java applications like Weblogic and JBoss running on Redhat Linux and Solaris.
• Clustering solutions for High Availability using tools such as Veritas Cluster Server (VCS), MSCS, RHCS
• Configuring and maintaining virtual server environment using VMWARE ESX, VCenter, VSphere, and Solaris 10 Zones.
• Installation and Configuration of Sun Enterprise Servers, HP and IBM Blade Servers, HP 9000, RS 6000, IBM pSeries
• Configured Enterprise UNIX/LINUX systems in heterogeneous environment (Linux (Redhat &SUSE), Solaris, HP-UX) with SAN/NAS infrastructure across multiple sites on mission business critical systems
• Setup, Implementation, Configuration, documentation of Backup/Restore solutions for Disaster/Business Recovery of clients using OMNIBACK on UNIX and SUSE & Redhat Linux platform.
• Involved in supporting different HW ranging from Rack to Blade and also supported Vblock HW to run ESX environment.
• Worked on Amazon Web services (AWS) platforms using the confirmation management tool in Puppet
• Working Experience with IPTables and Satellite for networking purposes and control number of Disks in clusters.
• Performed quarterly patching of Linux, AIX, Solaris and HPUX servers on regular schedule. Involved in up Network/SAN based ignite images for HPUX PA RISC and integrity servers
• Good knowledge of RAID groups and setting up NFS, CIFS and iSCSI protocols in SAN/NAS environment on HP-UX 11.23/11.31 and Redhat LINUX.
• Experience installing and managing different automation and monitoring tools on Redhat Linux like Nagios, Splunk, Chef and Puppet.
• Implementation of oracle RAC 10g on HPUX blades and Itanium servers with Redhat linux RHEL 4.0/5.0 along with SAN storage on EVAs. Also implemented and support HPUX Service guard on Linux servers
• Involved and set up migration for UNIX/Linux server and SAN storage between data centers and also application migration and testing. This included SAN/Application migration and testing various functionalities of key applications
• Installing, setup of ProLiant blade BL,DL series with fiber channel connectivity, Cisco GESM interconnect switch, configuring the connectivity, setting up JBOSS cluster, setting up oracle 10g cluster, configuring load-balancing on apache, on Redhat Linux 4.0/5.0 Setting up NIS/NFS on RedHat servers.
• Setting up JBoss cluster and configuring apache with JBoss on RedHat Linux. Proxy serving with Apache. Troubleshooting Apache with JBoss and Mod jk troubleshooting for the clients
• Setting up the lab environment with Tomcat/Apache, configuring the setup with F5 virtual load balancer for customer application.

Environment: Rhel 3/4/5, Solaris 9/10, Hp-UX 10/11, Suse 9/10/11, Oracle, Veritas VM, JBoss, Weblogic, SAN, Nagios, Splunk, Puppet, AWS.

Confidential

Linux System Administrator

Responsibilities:

• Installation, Upgrading and configuration of RedHat Linux and Windows 2000 servers.
• Installed and Configured Weblogic 6.0/7.1 Application Server.
• Deployed latest patches for, Linux and Application servers, performed RedHat Linux Kernel Tuning.
• Upgraded BEA Weblogic 7.0/6.1 server with latest service pack patches to 8.1.
• Implementation of Samba to help printing and file sharing in the mixed Environment
• Installing and setting up Oracle8i on Linux for the development team
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software and directories & files.
• Developed Korn and Bash shell-scripts to automate routine activities
• Migrated database applications from Windows 2000 Server to Linux server
• Configuring Windows Machines in Work Group Environment
• Create system images with Norton ghost.
• Performance Monitoring & System tuning.
• Managed Virtual Memory and swap space on RedHat Linux Servers.
• Configuration of DNS, APACHE, MAIL, DHCP & FTP Servers in RedHat Linux 3.x/4.x.
• Written Shell scripts to run Batch Jobs using cron and at.
• Implementing Raid levels and changing Boot PROM values according to the requirement.
• Configuring modems & printers.
• Documenting the configurations, changes made on any part of System and Network.
• Involved in Backup of data on DAT tape drive, security, performance and availability of system and network.
• Provided support by 24x7 shift rotation basis and pager support

Environment: RedHat Linux 3.x/4.x/5.x., Windows 2000/NT 4.0, Apache 1.3.x, 1.2, 2.x, IIS 4.0 and Oracle 8i, bash/ksh shell, Samba, DNS, APACHE, MAIL, DHCP & FTP.