SUMMARY

• Over 5 years of experience specialized in System Administration working on Redhat Linux, Solaris, Suse Linux, AIX, Cent OS, OEL and Windows environments.
• Experience in administering Solaris & Linux. Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support of Sun Solaris & Linux.
• Experience in Disaster Recovery and Planning.
• Strong experience in Problem determination, Security, Shell Scripting.
• Strong experience in user administration; startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation.
• Experience in provision, deploy and manage large numbers of systems in a commercial OpenStack Cloud infrastructure environment.
• Experience in Deployed Puppet, puppet Dashboard and Puppet DB for configuration Management to existing infrastructure.
• Proficient in Installation, configuration, maintenance of open LDAP server and applications integrated wif Apache Web server and Postfix mail server for user authentication.
• Experience in Webservers such as Tomcat 5.x/4.x/3.x, Apache Web Server 2.x/1.x, JBoss Application Server 4.0.x/4.2.x.
• Experience in Hardware configuration, installation and management on Sun, HP servers and Workstations.
• Experience in installation of monitoring tool, proficient in Splunk search and building teh reports and alerts and configure dashboards using XML.
• Strong experience in configuration and installation of Nagios monitoring tool and creating custom libraries using Perl and shell scripting.
• Handling and generating tickets via teh Service Now ticketing tool.
• Strong technical background in Storage, Disk Management, Logical Volume Management (LVM) and logical partitioning.
• Expertise in Installation, Configuration of Package and Patch Management.
• Experienced wif installation, configuration of RAID volume management using Veritas Volume Manager and Solstice disk suit on Solaris Disk accros & Quotas
• Good experience and understanding of SAN (SAN arrays; HITACHI, EMC) technology including zoning, disk creation on various systems, maintaining and configuring various fiber switches and storages.
• Providing 24x7 technical support to Production environments.
• Experience in configuration of NIS, NIS+, LDAP, DNS, DHCP, NFS, Automount, FTP, remote access, Security management and Security trouble shooting skills.
• Good experience in configuration of NFS - NIS, Automounting, DHCP, Proxy Server.
• Worked on implementation of Veritas Volume Manager and NetBackup, Logical Volume Manager - LVM, RAID Configuration, Kickstart Installation
• Thorough understanding of NAS and SAN - NetApp filers.
• Installation of third-party software's like JAVA/J2EE, Middleware software, Application Servers, reporting tools software, Backup Software, etc.
• Experience in installing servers over teh network via NIM and Kickstart for AIX and Redhat Linux.
• Experienced in teh documenting hardware specifications, backup and recovery procedures and policies.
• Excellent communication skills; enthusiastic wif teh drive and determination to do watever it takes to get teh job done.

PROFESSIONAL EXPERIENCE

Confidential, Columbia, MO

Unix Administrator

Responsibilities:

• Installing and configuration of operating systems like Red hat Enterprise Linux 5/6.
• Experience in Build servers, configured, installed tools, installed patches and transitioned servers to production support.
• Experience in Installation, configuration, patching, support to application and web server.
• Bash scripting supporting Linux servers and end-user workstations.
• Involved in support and maintenance of HP ProLiant servers, HP blade systems and Dell PowerEdge Servers.
• Experienced in working wif Apache web servers, Tomcat, JBoss application servers.
• Diagnosis and maintenance of hardware issues involving single and multiple point failures.
• Proficient working experience wif vendors like HP, Oracle, Dell, Veritas and RedHat for troubleshooting issues.
• Support GUI and autofs mounts, installing packages using yum and AD authentication on Linux.
• Worked on Updating teh workstations through spacewalk. Using spacewalk to patch, monitor and provision workstations and servers.
• Expertise in managing Virtual Linux servers running on VMWare ESX 4/5.
• Actively involved in Change board meetings and responsible for creating changes and implementing them mainly in Production environment.
• Currently working on build activities which involves building RedHat Enterprise Linux 6 and 7 servers in both Physical and Virtual platforms and procedure documentation.
• Experience installing, configuring, tuning, and supporting Linux servers.
• Installed and configured DNS Server for training and Configured DHCP.
• Involved extensively in virtualizing and managing them using VMware and VCenter VSphere.
• Experienced in recovering OS from VM snapshots and working on Maintenance mode through VM console.
• Perform Backup and restore. Restored files for end-users when necessary.
• Work on implementation of security controls and monitors compliance wif security policies and procedures.
• Experienced in tasks like managing User Accounts and Groups, managing Disks and File Systems.
• Experienced in creation and maintenance of user accounts and active directory.
• Perform tasks related to technical support & management.
• Worked on Analyze system performance, client to server traffic and server to server traffic.
• Experience wif various ticketing tools and currently using Service Now for everyday support.

Confidential, Riverwood, IL

Linux Administrator

Responsibilities:

• Installing and configuration of operating systems like Red hat Enterprise Linux 5/6.
• Experience in Build servers, configured, installed tools, installed patches and transitioned servers to production support.
• Experience in Installation, configuration, patching, support to application and web server.
• Bash scripting supporting Linux servers and end-user workstations.
• Involved in support and maintenance of HP ProLiant servers, HP blade systems and Dell PowerEdge Servers.
• Experienced in working wif Apache web servers, Tomcat, JBoss application servers.
• Diagnosis and maintenance of hardware issues involving single and multiple point failures.
• Proficient working experience wif vendors like HP, Oracle, Dell, Veritas and RedHat for troubleshooting issues.
• Creating and managing Virtual Machines and Templates.
• Worked wif clones and snapshots of Virtual Machines.
• Support GUI and autofs mounts, installing packages using yum and AD authentication on Linux.
• Worked on Updating teh workstations through spacewalk. Using spacewalk to patch, monitor and provision workstations and servers.
• Expertise in managing Virtual Linux servers running on VMWare ESX 4/5.
• Actively involved in Change board meetings and responsible for creating changes and implementing them mainly in Production environment.
• Currently working on build activities which involves building RedHat Enterprise Linux 6 and 7 servers in both Physical and Virtual platforms and procedure documentation.
• Experience installing, configuring, tuning, and supporting Linux servers.
• Installed and configured DNS Server for training and Configured DHCP.
• Involved extensively in virtualizing and managing them using VMware and VCenter VSphere.
• Experienced in recovering OS from VM snapshots and working on Maintenance mode through VM console.
• Perform Backup and restore. Restored files for end-users when necessary.
• Work on implementation of security controls and monitors compliance wif security policies and procedures.
• Experienced in tasks like managing User Accounts and Groups, managing Disks and File Systems.
• Experienced in creation and maintenance of user accounts and active directory.
• Perform tasks related to technical support & management.
• Worked on Analyze system performance, client to server traffic and server to server traffic.
• Experience wif various ticketing tools and currently using Service Now for everyday support.

Confidential, Phoenix, AZ

Linux Administrator

Responsibilities:

• Installation of RHEL (RedHat Enterprise Linux) 5.X, 6.X, administrator and maintaining server Spacewalk 2.X.
• Using and configuring RedHat Satellite server, yum repositories and Troubleshooting activities.
• Experience in support instances running Fedora, Debian, Ubuntu, Centos and RedHat Linux.
• Experience in supporting RedHat Cluster and Oracle RAC environment running Oracle databases in High Availability.
• Experienced in automation of Linux using kick start on Physical and VMWare ESX VM's.
• Experience creating and managing HP ProLiant DL G4, G5, G6, G7, and C7000 Enclosures and Blade servers.
• Experience in Manage file systems using Software RAID and recover an array, manage file systems using Logical Volume Management, resize file systems and protect them wif LVM Snapshots.
• Experience in automation using scripts in Perl and also shell (bash and korn).
• Expertise in managing Virtual RedHat Linux servers running on VMWare ESX 4/5.
• Experience performing SAN provisioning to Linux and ESX servers from EMC SAN arrays VNX and Clarions.
• Experience in SAN migrations at Host level on RHEL, HPUX and Solaris servers using Open Migrator, Open replicator and RHEL LVM and Veritas commands.
• Work on implementation of security controls and monitors compliance wif security policies and procedures.
• Experience supporting single sign on authentication using LDAP on Linux environment.
• Work for creation and maintenance of user accounts and active directory.
• Configured Kick start servers to install Red Hat Linux and VMWare ESX on multiple machines.
• Experienced in Installed patches to latest patch level, applied patch cluster and installed software packages as needed.
• Experienced in Creating user accounts, user administration, local and global groups on ESX and Red Hat Linux platform.
• Experience in Disk mirroring and RAID implementation using VERITAS Volume Manager and Linux Volume Manager.
• Experience in working wif configuration management tools like puppet.
• Experienced in Installing VERITAS Volume Manager and Power path on Red hat Linux servers.
• Experience in Installing, configuring, and administering DNS, NFS, NIS, Mail servers, FTP servers RPM servers on Red Hat Linux platforms.
• Resolving regular tickets on Hawk, Syswatch and ping probe Monitoring tools using site scope.
• Controlling teh System Logging services and examining system Log Files of all system events.

Confidential

System Administrator

Responsibilities:

• Experience in Installation of RedHat Enterprise Linux 4/5/6, Debian, SUSE, Ubuntu, AIX, on hardware like HP and Dell & Solaris 9, 10 operating systems on SPARC platforms.
• Proficient in patching RHEL, AIX and Solaris servers to recommended security levels. Maintaining and upgrading operating systems like RHEL and AIX platforms.
• Performed volume management tasks like mirroring using SVM, VERITAS Volume Manager 4.x/5.x and LVM.
• Proficient experience in Server builds, post builds and installations wif co-ordination wif application and database teams.
• Provided day to day support to RHEL and AIX servers through various ticketing tools and monitoring tools like Service Now.
• Supported Oracle DB and Oracle RAC on RedHat Linux environments.
• Worked wif VERITAS Foundation Suite 5 and performed tasks like creating disk groups, volumes, initializing disks, replacing failed disks etc.
• Experience in Installation, configurations and providing daily troubleshooting and support to Confidential Tivoli storage manager
• Worked wif EMC Power path, Hitachi HDLM in SAN related environments.
• Experienced in Installed and configured VERITAS, Net Backup and TSM on RedHat Enterprise Linux.
• Configured kick-start server and updating/applying patches to teh servers using RedHat Satellite server.
• Deployed RedHat Satellite Server wif custom repositories to provide a stable management solution for Linux environment.
• Configured Kick start servers to install RedHat Linux and VMWare ESX on multiple machines.
• Experienced in Manage file systems using Software RAID and recover an array, manage file systems using Logical Volume Management, Resize file systems and protect them wif LVM Snapshots.
• Experience in Disk mirroring and RAID implementation using VERITAS Volume Manager and Linux Volume Manager.
• Worked on Upgrading of VMware ESX 3.0.0 to ESX 3.5.
• Creating virtual machines using KVM hypervisor on Xen servers, installing RedHat using kick-start and Cobbler
• Assisted in resolving hardware issues and network connectivity issues related to TCP/IP.
• Experienced in Installed and configured DHCP, DNS, and NFS.
• Worked on Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Troubleshooting on Sun Java System Web Server 6.0 and Apache 1.3.x web server on Solaris wif experience in installing SSL certificates.
• Experienced in creation and maintenance of user accounts and active directory.
• Worked on Configured NFS and Open LDAP services in RedHat Linux and Solaris systems.
• Experience in Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk and RAID, multipath, file systems, network using teh tools NAGIOS and BMC Tools.
• Work on implementation of security controls and monitors compliance wif security policies and procedures.
• Experienced in Utilization and Implementation of VMware at teh full implementation range using teh complex features of VMware connectivity wif SAN, HA and DRS configuration.
• Modifying/ Writing scripts in Bash and Korn shell for optimizing day to day tasks.
• Worked in Mission Critical Production environment dat deals wif OS level issues through teh Enterprise.
• Experience managing user administration wif Open LDAP and proficient using command ldapsearch, ldapadd and ldapdelete.
• Regular Admin Tasks include building Linux servers for Production, Development and Test Environments and supported teh ones under production.
• Involved in building Linux VM's using VM templates and kick start servers to build multiple servers over teh network.
• Experience in managing EMC arrays and provisioned SAN disks to Linux and Solaris arrays.
• Performed OS upgrades for critical servers under production.
• Experience in creating file systems on LVM on RedHat Linux and HPUX.
• Performed various file system changes to accommodate upgrades in applications, services and databases.
• Experience configuring Open LDAP and setting up clients for Open LDAP.
• Worked on decommission of teh servers which reached end of life and performed SAN migrations using LVM and EMC tools.
• Performed and Maintained OS/APP backups for Linux and Solaris servers.
• Experience in Installation, configuration, patching, support to Application and web server.
• Managed critical bundles and patches on teh production servers after successfully navigating through teh testing phase in teh test environments.
• Experience in Implemented scripting new by writing shell scripts and Perl scripts and scheduled those by using cron.
• Worked on teh virtual environments through teh virtual ware clients like VMIC/ VSphere.
• Responsible for evaluating Storage Foundation Cluster File System for possible production use.
• Monitoring teh hosts and networks using NAGIOS, IOstat, VMstat, MPstat and Other Tools
• Manage software on system using YUM, and RPM.
• Worked on teh Java based applications and supported JVM's and worked on issues related to Java and patching regularly wif WebLogic and JBoss applications.
• Worked wif HP Integrated Lights Out (ILO) software in TEMPeffectively managing teh server under cluster environment.
• Experienced in Implementing file sharing on teh network by configuring NFS/SAMBA on teh system to share essential resources.
• Worked on Managed Disks and File systems using LVM on Linux.
• Performed day to day health check and maintained teh servers by taking teh down time from teh users.
• Responsible for creation and maintenance of user accounts and active directory.
• Performed configuration and troubleshooting of services like NFS, NIS, DHCP, FTP, LDAP, Web servers (Apache), Samba servers
• Experienced in Installation of CentOS 4.x manually and upgrading through YUM installation.
• Work afterhours and weekend support to facilitate teh issues in teh production environment.