SUMMARY

• Around 6+ years of IT experience in cluster and System administration working on VMware/ Red hat Linux, Ubuntu, CentOS, Debian, Solaris, AIX, HP - UX, Oracle Enterprise Linux (OEL) and Windows environment.
• Strong experience in System Administration, Installation, Upgrading, Patches, Migration, Configuration, Troubleshooting, Security, Disaster Recovery, Performance Monitoring and Fine tuning on UNIX ( Sun Solaris, Red Hat Linux) Systems.
• Experience on working in customization the Kickstart and Jumpstart scripts to automate the installation of the various servers used for various projects.
• Hands on experience with Veritas Volume Manager (VxVM), Veritas Net Backup, Veritas Clustering, Veritas Volume Replicator with SAN environment and also have experience in implementing RAID technologies using VVM and SVM (Solaris Volume Manager).
• Extensive knowledge with operating systems, network protocols, system programming and configuration, and/or hubs, switches and routers.
• Extensive working experience in process scheduling, disk and file system I/O, kernel internals, TCP/IP networking, Microsoft IIs 5.0/6.0 and Web Services, Network and Firewall.
• Experienced with build technologies like Chef, Puppet, Jenkins which are basically an automation tools and hand on familiarity with Open stack concept for user facing availability zones and administrator facing host aggregates.
• Experience in installing, configuration and maintenance of IBM blade servers, and also have a fair bit of experience on AIX versions 4.3/.5.X, Suse Linus 10/11, Supported IM Blade Center, JS20, JS21, JS22, and P-series.
• Using RabbitMQ and Spring AMQP to facilitate clustering.
• Installation and Upgrading of Software and Patches, configuration management, version control, service pack and reviewing connectivity issue regarding security issues.
• Expert in installing, configuring and maintaining Apache/ Tomcat, Samba, BEA WebLogic’s 8.X through 10.2, Sun One Web Server, Sun One Directory Server, JBoss.
• Strong Understanding of Networking concepts like Configuration of networks, router configuration and wireless security, TCP/IP, VPN, Content Filtering, VLANs, and routing in LAN/WAN, Ethernet Port, Patch Panel and wireless networks.
• Expertise in installation, configuration and implementation the RAID technologies using various tools like VERITAS Volume Manager.
• Expertise in writing and troubleshooting Bourne, Bash, Korn and Perl Scripts.
• Experience in Microsoft Office Suite, Open Office, Visio, Outlook, Printing, etc.
• Excellent Team Player with Strong Interpersonal and communication skills.
• Excellent Client relation skills and the drive to complete task effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all the levels of management and the client community.

TECHNICAL SKILLS

Operating Systems: Linux (Red Hat 5/6), Ubuntu, Sun Solaris (10/9/8), Suse, IBM AIX.5.XWindows 2003/08 Server, VMWare ESX/ESXI, HP-UX (HP UNIX).

Software Products: IBM HMC V7R7.2.0, IBM PowerHA 6.1, HACMP 5.x Series, IBM Tivoli Storage Manager and Client 6.2/5.4, Veritas Cluster Service VCS 5.0, Veritas Volume Manager VxVM 5.0, VERITAS File System

Scripts & Language: Bash, C-shell, Korn Scripting, Perl Programming, SQL, PL/SQL

Web Applications: HTML, PHP

Database: Oracle 10g, 11g, 12c RAC, My Sql 3.x, NoSQL, Couch DB

Automation Tools: Puppet, Chef, Jenkins, Maven.

Networking: TCP/IP, DNS, NFS, NIS, SSH, DHCO, Cisco Routers, Switches & LANs

PROFESSIONAL EXPERIENCE

Confidential, Fort Worth, TX

Linux/UNIX Administrator

Responsibilities:

• Working on FTP server consists of two node cluster AIX server, configured as highly available and cluster environment design environment.
• Working on maintaining AIX 5. Cluster node to transfer file inside and outside of the network by using FTP and SFTP process.
• Installing and administrating the Red Hat (RHEL) 4.x, 5.x, 6.x on HP Servers, Solaris 8, 9 and 10 on SPARC servers and Windows 2008 R2 on HP servers in the level 2 application deployment team.
• Installing, configuring and maintenance of Red Hat Linux 5.5,5.6 and 6 series by using kick start and creating file system in RHEL using Logical Volume Manager (LVM) and Veritas Volume Manager (VVM).
• Experience in writing, modifying and updating the shell scripting on Server.
• Experience in Encrypting key and Decrypting the files to transfer source to destination server,
• Installation, configuration and maintenance of IBM AIX 5.1 using HMC (Hardware Management Console) login to create LPAR profile.
• Working and creating the profile with Virtual fiber adapter to get the WWPN’s and Mac Address to Install AIX 5.1.
• Creating the file system in the Red Hat Linux using LVM and Veritas Volume Manager.
• Regular disk Management like adding of new disk to disk group, giving the space to existing groups deleting volume and increasing the file system in Veritas Volume Manager.

Environment: Red Hat Linux 4.x, 5.x, 6.x on HP Servers, Solaris 8,9,10, Windows 2008, Logical Volume Manager, Veritas Volume Manager, IBM AIX 5.x

Confidential, Princeton, NJ

Linux/UNIX Administrator

Responsibilities:

• Installing and administrating the Red Hat Linux 4.x, 5.x, 6.x on HP Servers, Solaris 8, 9 on the SPARC servers.
• Working on different volume managements including Veritas Storage Foundation 5.1, SVM and LVM and the creating of ZFS (Zettabyte File System), VxFS and ext3 file system after provisioning LUNs from SAN.
• Installing, Configuring and Troubleshooting of Veritas Cluster Server 5.1 SPI for MQM and installing various software application and packages like MQM, WebSphere, Apache, WebLogic 7.x, Oracle 11g using Humming Bird Exceed.
• Installing of Red Hat Environment Linux 5.x and 6.x and Solaris 10 for different application team and creating virtual machines for Red Hat EL on VMware ESXi 4.0, Migrating Physical Servers into Virtual using P2V on Solaris.
• Configured Network file sharing, enables remote monitoring file systems and knowledge on network.
• Installing, configure Oracle RAC under VCS control for different internal projects.
• Post build setup on Linux and Windows server including installing and configuring COPS, TLM, NTP, Send mail, VMware Tools.
• Decommission of server group which include: take dull ad-hoc backup of file systems, removal from backups and removal of Tivoli Monitoring etc.

Environment: Red Hat Environment Linux, (4, 5, 6), Solaris (8, 9), Logical Volume Manager (LVM), Oracle 11g, VMware ESXi, WebSphere.

Confidential, San Diego, CA

Linux/UNIX Administrator

Responsibilities:

• Installation, administration, configuration of RHEL 5/6 including package management, patch management, regular system administration tasks.
• Installed RHEL on bare metal servers and virtual machines using kick start and hardening the servers.
• Participated in migrating environment from old version to the latest updated version.
• Creating and cloning virtual machines in VMware environment using Virtual infrastructure client 3.5 and VSphere 4.0.
• Worked with design and features of the system architecture.
• Creating logical volume, extending the file systems using both LVM (Logical Volume Manager) and VxVM 4.x.
• Perform daily maintenance routine on Linux servers, monitoring system access, manage file space and tuning the system for optimum performance.
• Respond to the entire UNIX system issues 24 x&7 as a part of on call rotation and resolving them on a timely basis.
• Set up user and group login ID, printing parameters, network configuration, password, resolving permission issues, user and group quota.
• Administration, package installation, configuration of OEL 5.4 and preparing the servers for Oracle RAC installation and adding nodes to the cluster.
• Updated DNS configuration based on the new servers that are rolled out.
• Worked and performed data- center operation including rack monitoring, cabling.
• Configuring multipath, adding SAN and creating Physical Volume, Volume groups, Logical Volumes.
• Responsible for installing and managing HP-UX Virtual Partitions (vPar) and Node Partition (nPar).
• Worked on various applications and improving their performance by performance tuning and analysis.
• Responsible for change management, troubleshooting and resolution of server issues for end users support.
• Installing and configuring Apache and supporting them on Linux production servers.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Adding servers to the domain and monitoring them using nimsoft, cacti, sitescope.
• Writing shell script for Automated Backups and Kron Shell.

Environment: Red Hat Linux (5, 6), LVM (Logical Virtual Manager), VxVM 4.x, Oracle 10g, OEL 5.x.

Confidential

Linux/UNIX Administrator

Responsibilities:

• Managed server on VMware, provided test environment on the virtual Machines.
• Validated servers to check they meet the customer requirements.
• Provided the application support the application hosted and developed internally.
• Provided cross platform data access from Linux to Windows users by deploying codes on the Web Logic servers.
• Gathered information from the Engineering team and build application installation documents and validated the requirements with process improvement teams.
• As a Linux administrator primary responsibility include building of new servers which includes rack mounting installation of OS, configuring of various OS native and third party tools, securing of OS.
• Involved in server sizing and identifying, recommending optimal server hardware based on User Requirement.
• Updating and running the various source codes for migration and updating follow ups the release management.
• Engaging and working with different vendors to determine problem resolution and root cause of the hardware problems.
• Perform troubleshoot on all tools and maintain multiple servers and provide backup for all files and scripts management servers.

Environment: Windows 2008 server, SQL Manager Studio, Red Hat Linux, Microsoft SQL Server 2000/05/08, Open SSH Telnet, Unix Shell Scripting.

Confidential

LINUX System Administrator

Responsibilities:

• Performed Day to day administration tasks like User management, Space Monitoring, Performance monitoring and tuning, alert log monitoring and backup monitoring.
• Monitoring and maintaining the disk space, backup systems and tape libraries and implement change controls, capacity planning and growth projection on the systems.
• Planning and coordinating activities related to upgradation and maintenance on the systems.
• Create Status reports, project plans and attend team meetings to coordinate activities.
• Built new Solaris and Linux servers. Upgrade and patch existing, compile build and upgrade Linux kernel.
• Fix all the system problems based on system email information and users complaints.
• Recommend system configurations for client based on estimated requirements.
• Worked as System Administrator in UNIX supporting infrastructure environment.
• Maintained Linux server running high availability application and database for clients.

Environment: Windows 2000/03, Windows 2008, Linux, Microsoft SQL Server, WebLogic 8.1, XML, UNIX.