SUMMARY

• 7 years of experience in LINUX (Redhat, SuSE, CentOS, Ubuntu), UNIX (Solaris, AIX ) and VMware Systems Administration.
• Experienced in installing, configuring and upgrading Linux, AIX using manual and automated installation.
• Experienced Red Hat Enterprise Linux, VMware vSphere System Administrator with Telephony based Technical Support to assist and provide clients with the best possible uptime and to reliable and accurate communication to get tasks completed.
• Expertise in deploying various Red Hat Enterprise Linux builds both Physical and Virtual on Confidential UCS, Confidential /IBM, Dell Hardware running ESX/ESXi.
• Expertise in designing build/configure documentation related to Red Hat Enterprise Linux via Kickstart/PXE and using the documentation to assist other members in the team.
• Expertise in Security hardening (iptables/selinux) major Production Servers and compiling, building and installing web server based Linux tools.
• Proficient in providing support on the deployed Red Hat Enterprise Linux Servers from both Operating System level and Application Level.
• Experience in deploying several sets of Linux guest builds from VMware Templates,using PowerCLI as well as Red Hat Satellite Server.
• Experience in configuring and maintaining WebSphere application server clustering, failovers and load balancing.
• Experience supporting applications like Apache, Tomcat, Weblogic running on RHEL.
• Experience in supporting and implementing security on RHEL.
• Experience in USER MANAGEMENT by giving sudo acess to the users.
• Resolution of technical issues on system integration and support.
• Worked on Incident Management, Problem Management & Change Management.
• Disk space and File system management using Veritas Volume Manager 4.x, 5, Logical Volume Manager, Solaris Volume Manager and LVM
• Experience in upgrading and degrading KERNEL Versions and SAN MULTIPATHING in LINUX.
• Experience in Server migration from AIX and Confidential - UX to Redhat Linux.
• Experience in migrating servers between Datacenters.
• Experience of working in Data centers with 24X7 Production and On-Call Environment.
• Installing of Oracle (10g & 11g), Weblogic (9.3 & 10), MQSeries on Linux.
• Experience in using various network protocols like HTTP, UDP, POP, FTP, TCP/IP, and SMTP.
• VMware Infrastructure Installation & Configuration. ESX3.x/ ESXi 4.x/ ESXi 5.x VMware Virtual Center and VMware VSphere).
• Migrate Physical Servers to Virtual Server using VMware Converter (P2V Converter).
• Experience in supporting Red Hat Satellite Server, RHN.
• Troubleshooting issues on Application Servers on Linux, Aix Servers.
• Hands-on experience in configuring SSH and FTP server/client systems to transfer files.
• Expertise in Installing and Managing LDAP, NIS, NFS, DHCP and DNS.
• Experience in UNIX with Korn, Bourne shell scripts, Ability to work in team oriented and problem solving environment.
• Good Communication skills, ability to working in Team Environment.
• Solution implementation and troubleshooting all network related issues.

TECHNICAL SKILLS

Operating Systems: RHEL 3.0, 4.x/ 5.x/6.x, SuSE Linux Enterprise Server 9, 10 and 10 Windows 2003, 2008, AIX 5L

Hardware: Confidential Proliant DL385 G6, DL 585 G6/G7, Confidential C 7000, BL 460 05/6/7 Dell Power Edge Servers R 900.

Programming Languages: C, Perl, Shell, SQL, xml, html.

Unix Services & Tools: DNS, DHCP, NTP, HTTP, LDAP, SSH, SSL, SFTP, GREP, SCP, AWK.

Storage Technologies: NetApp NAS, EMC Clariion, VNX, HDS, EMC Powerpath, Snap Mirror, Veritas NetBackup, Volume Manager, oracle zfs 7400.

Virtualization Technologies: Solaris Zones, LDoM’s, VMWare ESX Server and Vsphere, VMotion.

PROFESSIONAL EXPERIENCE

Confidential, Washington

Linux/VMware System Administrator

Responsibilities:

• Installation, Configuration and Upgrade RHEL 5.x, 6.x, OEL 6.x and Solaris 10, 11 operating systems.
• Installed and Configured RedHat Linux Kick start and booting from SAN and managing multipathing at boot level and OS level using EMC Powerpath.
• Experience in writing scripts to automate jobs and debugging scripts.
• Experience in using protocols like NIS, NFS, SSH, SFTP & DNS.
• Conduct incident management trend analysis within the supported production environment.
• Administered Volume groups and volumes using Logicalvolume manager.
• Installed/Configured Websphere 5.x/6.x and other Application Servers and Administration of Websphere Application Server 6.x with Network Deployment, and Extension Deployment on RedHatLinux.
• Configured File Systems, users and group for Oracle and Websphere.
• Decommissioning servers per Redhat standards.
• LVM experience with LINUX.
• Involved in the DR excercise twice.
• Performance monitoring and tuning of Linux servers.
• Familiar with the Vmware esxi operating system and the guest operating systems.
• NFS mount points creation using Hitachi systems.
• Vm builds and configuration through Chef tool.
• Solved the inode issues in the hitachi- linux-oracle database.
• VSphere environment for over 1500 VMs including Windows 2003, 2008, 2012R2.
• Patch management and upgrades usingVMwareupdate manager.
• Strong knowledge on Server, Desktop and Application virtualization.
• Maintaining theVMwareESX Servers throughVMwareInfrastructure Client.
• P2V and V2V conversions usingVMwareconverter enterprise.
• Extensively worked on vMotion and Storage vMotion.
• Strong experience with DNS and DHCP.
• Worked on IBM server, Dell Power Edge, Confidential ProLiant BL/DL Servers.
• Understanding of networking concepts, (IE. Configuration of networks, router, TCP/IP, VLANs & Ethernets
• Experienced in installation, configuration, design and ongoing maintenance of Confidential router and switches.
• Experience in Windows 2000/2003/2008 &R2/2012&R2 server.
• Experience in Microsoft active directory.
• Microsoft Windows 2000/2003/2008 Implementation, Administration and Support.

Confidential, Germantown, Maryland

Linux/VMware Administrator

Responsibilities:

• Unix Analyst for the Unix to Linux migration effort, which involves a great deal of coordination work between the different Applications team, Firewall team, SAN team, Testing and user groups for the successful migration of the servers.
• Installation, Configuration and Upgrade RHEL 5.x, 6.x, OEL 6.x and Solaris 10, 11 operating systems.
• Worked with UNIX flavors LINUX administering systems. Patching software/Hardware.
• Installing hardware on X86. 24hr on call support experience. Worked on backup solutions from Netbackup to recover or save data other than the OS.
• Installation and Configuration of Veritas Volume Manager, Logical Volume Manager and Redhat Cluster.
• Implementation of RAID techniques and the creation of Disk groups and volumes, plex using Veritas Volume manager.
• Backups and recovery of AIX operating systems.
• Decommissioning servers per IBM standards.
• LVM experience with LINUX.
• Troubleshooting problems with hardware and operating systems on multiple platforms working with multiple vendors to repair.
• Account and filesystem administration.
• Installation of software on multiple platforms.
• Worked on true DR on IBM servers. Brought back 4 servers with 30 LPARS. And recovered all server data and servers (OS, SAP)
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in Linux, Confidential -UX and AIX.
• Day to day trouble shooting for end users on UNIX/LINUX
• Configured NFS and OpenLDAP services in Red Hat Linux and Solaris systems.
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process.
• Helped the Application owners, Server Type Owners to understand what the different services that are currently used by their Application in Unix environment.
• Installation, Configuration & Upgrade of the newly built Redhat Linux 5.x 6.x, and the existing HPUX, AIX operating systems.
• Worked with outside vendors to find the best hardware and software solution.
• Handled the tasks of preparing agendas and organize meetings. Worked with medical officer for solving critical issues.
• Preventative and proactive system monitoring functions and real-time responses encompassing: Systems Administration, OS Level SAN Administration, Backup and Restore and Security Remediation.
• Configured and maintained servers using VMware ESXi. Experience in working with adding new Disks to the VM from the Hostgroup and
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in Confidential -UX, AIX and Linux.
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process & performed Kickstart to install OS on Several workstations.
• Created users, manage user permissions, maintain User & File System quota on Redhat Linux
• Installation, Upgradation and Management of packages through RPM and also take care of dependencies.
• Performance monitoring and tuning of Linux servers.
• Creating virtual PCs, installing OS and software using VM ware.
• Good understanding of Lab build and Network topology.
• Also familiar with Sap-Unix environment using the hitachi storage platform.
• Updating the Documents to the current level for the Unix team.

Confidential, Boston, Massachusetts

Systems Administrator

Responsibilities:

• Performed setting up Configuration Server and Boot Server for Jumpstart process
• Installed and configured Redhat Linux using Satellite Server.
• Implemented and organized a rollout project which involves upgrade of servers using Redhat Satellite Server.
• Involved in OS upgrade and Server migration from solaris and Confidential -UX to Redhat Linux.
• Was managing user accounts for the team access for Redhat Satellite Server. Also created RPM packages using RPMBUILD, verifying the new build packages and distributing the package.
• Worked on SAN/EMC storages with HBA card configuration and different level of RAID configuration.
• Helped to establish standards, policies and procedures for all aspects of Unix server environment like administration, documentation and configuration.
• Installation and configuration of XEN AND VMWARE VIRTUALIZATION and deploying the OS Linux and Applications (Oracle, JAVA) on the Guest Domains.
• Configured Resource Pool, Motion, Alerts, Alarms, NT
• Server, KVM, Network Appliance installation, configuration, and troubleshooting
• UCS and VMware installation/configuration/troubleshoot
• Troubleshooting and resolving failures in the network and Maintaining the security posture of the network
• Good understanding of Lab build and Network topology
• Team player with excellent communication and inter-personal skills User administration, management & archiving.
• Performed automated installations of Operating System using Jumpstart, Kickstart for Linux.
• Installation of patches and packages.
• Installation and configuration of Apache, Websphere.
• Disk and File system management through LVM ( Confidential -UX, AIX, Linux)
• Experience with configuring and managing Virtual disks, Disk Mirrors and RAID 0, 1 and 5 levels.
• Provided functional and technical support, troubleshooting and diagnosing hardware and software problems, includingdesktop, laptop, WAN, LAN, and remote systems.
• Assisted in the installation and updating of software, as well as the setup and troubleshooting of all equipment.
• Provided functional and technical support, troubleshooting and diagnosing hardware and software problems, includingdesktop, laptop, WAN, LAN, and remote systems. Assisted in the installation and updating of software, as well as the setup and troubleshooting of all equipment.
• Maintaining the CPU & Memory utilization of Unix/Linux Servers reports on the WEB.
• Extensively worked in data and database migration from older machine to latest configurations.
• Installation, setup, configuration, security administration and maintenance for flavors of servers.
• Implemented Security Hardening per company policy using Solaris 10 features.
• Supported 24/7 high availability production servers
• Complete periodic checks of production and development systems; CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc.
• Provided top level technical support for Confidential ProLiant Server hardware and software issues and coordinated all Server related change activity within the Data Center.
• Responsible for server decommission/reassignment and Network cabling.
• Responsible for maintaining current software and hardware patch updates for all servers.
• Responsible for documenting and maintaining complete and accurate information for all active and decommissioned servers.
• Demonstrated ability to gather relevant information and diagnose issues effectively and efficiently
• Assisted in troubleshooting user problems relating to Network Connectivity, and TCP/IP configuration.

Confidential, San Jose, CA.

System Administrator

Responsibilities:

• Installed and configured Linux and Windows operating systems.
• Installed, configured and maintained Redhat Satellite Servers for different applications.
• Confidential Ignite net recovery image backups for maintenance & Disaster Recovery purpose
• Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Backup management through regular ufsdump, ufsrestore, fbackup, frecovery, DLT tape drives
• Configured Domain Name System (DNS) for hostname to IP resolution.
• Experience in configuring and trouble shooting of Custom Jumpstart services multiple servers
• Experience in configuration of NFS and Naming services like NIS and DNS.
• Applying Support Packages and Patches
• Resolving day to day end user issues using ticketing tool Remedy
• Configuration/troubleshooting of multi-pathing Solaris and bonding on Linux Servers.
• Responsible for migration of the servers as well as upgrading the system software as per the requirements.
• Setting up VSFTPD, NFS and Samba servers for file sharing.
• Involved in the yearly maintenance patching for both SAN and NAS connected Linux servers.
• Performed scheduling jobs using Cron and ‘at’ jobs
• Monitoring System Performance Parameters using iostat, vmstat, TOP and Glance.
• Troubleshooting System, Network, and Operating System issues.
• Creating Backup account for new users and Deleting account for the retired or deleted users
• Administration and trouble shooting skills on Disks and File Systems, Users and Groups.
• Maintenance of NFS server with auto mount.
• Monitoring backup daily and weekly dumps.
• Responsible for Constant Monitoring of a sophisticated Wide Area Network system.
• Proactively notified customers of network failures, which impacted them.
• Managed trouble tickets efficiently and effectively, including proper opening, updating, escalating, and closing of tickets.
• Performed systematic troubleshooting steps to isolate network problems.
• Dealt with telecommunication carriers, with emphasis on trouble resolution.
• Configured and troubleshoot Confidential Routers
• Provided ongoing support after installation for remote and on-site
• Performed 24/7 Data Center network support for 150 plus Confidential Servers in Production Environment as well as configured Firewall Devices
• Documented all the installation process and shared it with team through internal Share point Wiki