SUMMARY:

• 9 years of experience in system administration of various operating systems such as Red hat Linux (4.x, 5.x, 6.x, 7.x), CentOS (4.x, 5.x, 6.x), VMware ESX/ESXi 4.x, 5.x, 6.x) and Windows (2003, 2008 R2, 2012) and Devops Automation.
• Installation of patches, Security fixes, packages on Linuxand AIX, and Windows 2003/2008 R2 Servers on both Physical and Virtual Environments.
• Hands on experience on Automation/Build tools like Chef, Ansible, Jenkins, Ant and Maven.
• Proficiency in VMWare. Installation and monitoring Virtual environments with ESX Servers and Virtual Center.
• Experience in Server build usingJumpstart, Ignite and KickstartProcess on multiple servers.
• Deployment and System build configuration using Puppet.
• Experience in configuring and recovery procedures for Master and Client Backup Servers UsingVeritas Net Backup.
• Expert in Red Hat Linux V 5, 6 & 7 of heavy experience in install / rebuild servers. Understanding the business requirements, capacity planning, Vendor management, team co - ordination, business migration. Patching and Packages rollouts.Experience in using Version Control Tools like GIT and SVN.
• Experience in Configuring & Administering SAN Devices and other storage solutions like Veritas DMP.
• Experience inLogical Volume Managerfor creation of Volume groups / Logical Volumes and File systems in UNIX environment.Experience in administering and configuring Nexus Repository Manager for Maven builds.
• Installation Configuration and Administration of Veritas Volume Manager, Red Hat Cluster Server, Veritas Cluster Server using EXT3, EXT4, GFS, ZFS, XFS.
• Performed numerous server migrations on both Unix/Linux servers. Migrations include moving all clients and their data, configuration settings, testing and verifying everything is correct with zero downtime.
• Knowledge about Microsoft Azure in creating cloud environment and managing the application servers across Microsoft managed global data centers.
• Experience in handling VERITAS Cluster Server (VCS) during Fault Tolerance.
• Experience in UNIX with Perl, Python, and Ruby and Bash shell scripts.
• Responsible for Installing of OS on Several hundred Servers using Ansible.
• Expertise in Installing, administering, troubleshooting NFS, DNS, DHCP, NIS, LDAP Mail Server, Send Mail and Samba Server.Experience in configuring LAMP stack.
• Experience in using various network protocols like SSH, SCP, SFTP, HTTP, UDP, POP, FTP, TCP/IP and SMTP.
• In-depth understanding of the principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.
• Worked on Group/User administration, Startup & Shutdown Scripts, Crontabs, File System Maintenance, Backup Scripts and Automation. Expertise in configuring servers from Kickstart and Jumpstart Installation Methods.
• Experience in using various transport, application and internet protocol layers, DHCP, DNS FTP, HTTP, IMAP, POP3, RPC, SMTP, SOAP, SSH, Telnet, TLS/SSL, TCP/IP, IP (IPv4).
• Installed, configured and supported WebSphere Application Server, IBM HTTP/ Apache Web Servers inLinuxenvironments. Working Knowledge of Samba Servers.
• Worked extensively on creating volumes using different RAID levels using LVM inLinux.
• Experience in configuring, monitoring and troubleshooting various file systems like Ext 4, 3, 2.
• Experience in creating, installing, updating packages in Red HatLinuxservers using RPM’s and YUM repositories.
• Used ILO/iDRAC/ Confidential UCS Manager for remote access of servers and managing the hardware's.
• Worked extensively on Red HatLinuxDNS servers from installing BIND package, updating the BIND database and troubleshooting the problems.
• Hands on experience in installing, configuring and supporting web servers like APACHE, TOMCAT, IIS, iPlanet over DMZ (Demilitarized Zone) in order to enhance the security of the server access.
• Good knowledge in Operating system level configuration of SAN using Netapp, EMC, 3PAR and Hitachi technologies and also worked with NAS and SAN.
• Installation, Configuration and Administration of VERITAS Volume Manager (VxFS/VxVM/VCS) and LVM.
• Knowledge of networking (TCP/IP, Ethernet), FTP, SFTP, SUDO, NFS, NIS, DNS, DHCP and RAID levels.
• Experience in periodic checking of the open ports / services on the servers using tools like nmap and ISS.
• Administered shell interfaces, groups/user accounts, login scripts, and kernel patches & updates.
• Hands on experience in RHELPerformance Monitoring tools using vmstat, iostat, prstat, mpstat, sar, top, Nagios, nmon and Zabbix.
• Designed, Installed and ConfiguredVMwareESX/ESXi within vSphere 4/5/6 andVMwareView 4.5, 4.6 environments, Consolidated Backup, load balancing, DRS, HA, FT, DPM, vMotion andVMwareData Recovery, VCloud directory &VMwareSite Recovery Manager (SRM) 4.0/4.5.
• Experience in maintainingVMwareESX / ESXi environment, VCloud Suite, Microsoft Windows Server, EMC Storage Arrays, Citrix Xen app, Xen Desktop, Data Center management and day-to-day operations with Skill and Efficiency.
• Built, Configured and Deployed VMs and Templates. Migrated Physical-to-Virtual (P2V) and Virtual-to-Virtual (V2V) Migratio.n
• Installed Patches and Host Profiles on ESXi hosts and virtual machines usingVMwareUpdate Manager.
• Experience with vBlock Overview, EMC, 3 Par and SAN storage administration.
• Good communication skills, working without supervision, working in team environment.

SKILL:

Operating System: RHEL 4.x, 5.x, 6.x, 7.x; CentOS 5.x, 6.x, Esx4.0/Esxi 4.1/5/5.1/5.5/6.0 , Windows /2003/2008R/2012 Servers

Shell Scripting: Bash, Korn, Python.

Backup and Recovery tools: Dump, Restore, Tar, CPIO, Rsync, Kernel re-compilation & Patches, updates.

Hardware: DELL (PowerEdge), HP (ProLiant G7 & G8), Dell Power Edge Servers, Confidential UCS, Nexus 2k/3k/5k, F5's, Confidential MDS.

Virtualization: VMware ESX Server and vSphere, vMotion. Virtualization Technologies VI3,VMware vSphere 4.0/4.1/5.0, VMware ESX 2.5/3.0/3.5, VMware ESXi 4.0/4.1/5.0,5.1,5.5 VMware vCenter, vSphere Client, VMware VDI, VMware ThinApp, View 4.6/5.0, Microsoft Hyper-V, VMware Update Manager, Platespin migrator, Quest vConvertor, HA, vMotion.

Web, Application and Mail Servers: WebLogic 10.x/9.x/8.x, WebSphere, Apache HTTP/Tomcat/Jboss Server Installation & Configuration; Compiling with Modules; Virtual Hosting; SSL, Load balancing & Clusters,VMwareESX and ESXi, Oracle VirtualBox and Microsoft Virtual PC.

Network Protocols: DHCP, DNS, SNMP, SMTP, Ethernet, NFS.

Databases: Oracle 8/9i/10, 11G, DB2 and MySQL.

Open Source Tools & Other Exposure: Nagios, Puppet, Ansible, Shell Scripting, OS Administration basics.

EXPERIENCE:

Confidential, Akron, Ohio

Sr. System Administrator

Responsibilities:

• Installation and configuration of Red Hat Enterprise Linux servers using kickstart unattended installation in addition to PXE Boot, configuring of new servers and workstations using kickstart and autostart.
• Developed shell scripts for collection and summarize server information for server monitoring and other housekeeping tasks such as file transfers.
• Involved in Installing and configuring GIT distributed version control tool, written pre-commit, post-commit, post-receive hooks in GIT and responsible for merging, tagging and conflict resolution in GIT.
• Expansion of existing file systems on remote servers using NFS Server & client configurations, performed disk configurations and crash recovery.
• Installed and configured Jenkins for Automating Deployments and providing a complete automation solution.
• Established network security using Linux Firewall and troubleshoot problems relating to boot loaders (GRUB, LILO
• Used Puppet as configuration management tools, to automate tasks, deploy critical applications, & manage change.
• Responsible for Administering Nexus server which includes install, upgrade, maintenance of repositories, performance tuning, troubleshooting issues and maintenance.
• Responsible for maintaining current software and hardware patch updates for all servers.
• Monitor Hardware console for any hardware issues using NAGIOS.
• Tuning of the Linux OS in order to increase performance as well as installation of new patches as needed, developed shell scripts to automate daily housekeeping tasks such as file transfers, Troubleshooting any and all problems with performance, upgrades and file transfers.Responsible for Applying paches on all servers using centralized Puppet master server.
• Responsible for documenting and maintaining complete and accurate information for all active and decommissioned servers.
• Administrated JIRA, and Maintained documentation using Confluence.
• Documented, performed and validated test cases based on client requirements.
• Created featured, develop, release branches in STASH (GIT) for different applications to support releases and CI builds.
• Allocate IP addresses to the users and configure their systems according to the lab requirements.
• Setup an SCM environment to execute a continuous integration builds environment and making the environment agile for the developers.
• 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.
• Configuring the Docker containers and creating Docker files for various applications.
• Automated the weekly deployments utilizing CI tool Jenkins.
• Updated Maven scripts to use Artifactory repo instead of local repositories.
• Document RIS/WDS, Linux Kickstart, and Unix Jumpstart procedures for team wiki.
• Environment: Red Hat Enterprise Linux 5.x/6.x,7.x, CentOS 6.x, NFS Server, BASH Shell Script, VMware, Disk suite, GRUB, LILO, GIT, Maven, Jenkins, CHEF, Puppet, Docker, NAGIOS, Jira, Confluence.
• Physical Blade and VMware ESXi Virtual Environment.
• Implemented a Continuous Delivery pipeline with Jenkins, GitHub.
• Installed hardware on X86. 24hr on call support experience. Worked on backup solutions from Netbackup to recover or save data other than the OS.
• End to End Client Server Installation & Customization of Jenkins for to atomize the build/deployment process for respective application/project.
• Installation and Configuration of Veritas Volume Manager, Logical Volume Manager and Red Hat Cluster.
• Managed and optimized Continuous Delivery tools like Jenkins.
• Implementation of RAID techniques and the creation of Disk groups and volumes, plex using Veritas Volume manager.
• Troubleshooting problems with hardware and operating systems on multiple platforms working with multiple vendors to repair.Installation of software on multiple platforms using Ansible.
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in Red Hat Linux, HP-UX and AIX.Day to day trouble shooting for end users on UNIX/LINUX.
• Configured NFS and Open LDAP services in Red Hat Linux and Solaris systems.
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process.
• Performed setting up Configuration Server and Boot Server for Jumpstart process.
• Installed and configured Red Hat Linux using Satellite Server.
• Implemented and organized a rollout project which involves upgrade of servers using Red Hat Satellite Server.
• Involved in OS upgrade and Server migration from Solaris to Red Hat Linux.
• Was managing user accounts for the team access for Red Hat Satellite Server. 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.
• Managing GIT version control system in creating branches, tags, merge, resolving conflicts.
• UCS and VMware installation/configuration/troubleshoot.
• Troubleshooting and resolving failures in the network and maintaining the security posture of the network.

Confidential, Conway, AR

Sr. System Administrator

Responsibilities:

• Installation, Administration and Maintenance of Red Hat Enterprise, CentOS on VMs and physical servers.
• Deploy and Configure Red Hat Satellite Server 5.4, including creating maintaining any customized kickstart configuration channels to deploy RHEL.
• Responsible for Administration, Installation, Upgrading, Migration, Configuration, Troubleshooting, Security, Backup, Disaster Recovery, Performance monitoring and Fine-tuning of UNIX systems on different OS levels using Nagios, Tivoli and Zabbix monitoring tools.
• Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring, Fix the Problem with the partially mirrored Logical volumes.
• Maintenance level upgrades and software administration RPM installation on Linux.
• Regular disk management, partitioning according to the requirements, creating new file systems or increasing existing ones, managing file systems and adding virtual swap space.
• Define/setup network protocols, Network File Services (NFS),and Network Information Services (NIS) inLinuxEnvironments.
• Installed and configured VxVM, VxFS and VCS onLinuxServers.
• Perform User Account management, data backups, and user’s logon support.
• Implemented, configured and deployed new patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite server and YUM server.
• Installed and configured several hundred Red Hat Enterprise Linux 6.x/5.x, Windows server 03/08 R2 in both physical Blade and VMware ESXi 5/6 Virtual Environment.
• Worked on MPIO to assign dual paths to the VIO servers for the storage connection to make sure that they have safe and available access to the data on the storage disks.
• Worked on creating the Shared Ethernet adapters, Mapping and tagging from the VIO servers to the logical partition.
• Responsible for updating the micro-codes of the adapters on the existing servers.
• Responsible for upgrading the TL level, Maintenance levels and Service Pack level on the AIX Servers.Configured Red Hat Cluster Nodes for my legacy applications and verified the daily health check on the Cluster Nodes.
• Created Bash Shell scripts to monitor system resources and system maintenance and Performed administrative tasks such as System start-up/shutdown, and Backup strategy and scheduled cron jobs for job automation.
• Performing O/S and kernel upgrades onLinuxservers.
• Experience with configuring firewalls usingLinux. Familiar with configuring advanced features such as NAT, Port Redirection, and Logging.
• Mounted/un-mounted new file systems, mounted file systems on remote servers using NFS Server & client configurations, performed disk configurations and crash recovery.
• Maintained user account management, configured servers to register with Red Hat Network (RHN) Satellite Server, monitored servers - workload assessment, service console monitoring.
• Installation, configuration and management of Apache 2.24 and Tomcat 6/7 servers.
• Supported several Servers in Dev, QA, Staging and Production environments plus primary support to all kind of issues for Red hat 5.x & 6.x Linux and VMware.
• Created users, manage user permissions, maintain User & File System quota on Red HatLinux, CentOS.
• Administered firewalls using iptables in RHEL.
• Creation and Maintenance of User Accounts file systems and successfully created logins IDs on large number of servers.
• Install/configure/maintain theLinuxservers, NIS, DNS, NFS, Mailing List, Sendmail, apache, ftp, sshd.
• Performed TCP/IP, DNS and DHCP administration.
• Monitor Disk space and space as needed in LVM.
• Installing and upgrading patches and packages on RHEL 5.x, 6.2 and 6.5 servers using RPM, YUM and third party software applications. Limiting user account privileges using SUDOERS.
• Installation of Web sphere application and mange users and service account with no password option in sudoers file to manage WebSphere application.Installation of Database servers and users management such as Oracle, MYSQL, SQL Server.
• Installation and configuration of Web /Application Server Apache-Tomcat.
• Monitoring and install or updates patch software’s, firmware, and security patches for all applications in installed infrastructure via Red hat network.
• Management of Puppet, Ansible automation do automate day to day tasks.
• Configure and setupLinuxserver samba protocol.
• Responsible for system configuration and installation of software applications, operating system upgrades.
• Installation and configuration of SAMBA x server for interface betweenLinuxservers and Windows servers to share files.
• Worked on daily task on Red HatLinuxthat included upgrading rpms, kernel, HBA driver, configuring SAN Disks(3Par, EMC VMAX), multipathing and LVM file system.
• Migrated datacenters and converted physical servers to virtual servers (P2V) usingVMwareConvertor.
• Created and managed resource pools for Virtual Machines.
• Monitoring and managing performance of ESXi servers and Virtual Machines using Virtual center server for HA, DRS.
• Involved in live migration of Virtual Machines and Virtual machines files using the VMotion and Storage VMotion.
• Handled theVMwaresolutions to support multiple storage connectivity options such as FC-SAN, iSCSI, NFS (NAS) and internal storage.
• Creation & Troubleshooting of both the switches, vswitch and distributed vswitch.
• Creation of templates from VMs and deploying VMs from templates.

Confidential, Fishers, IN

System Administrator (Linux/VMware)

Responsibilities:

• Experience installing and Configuring RHEL 5.x, 6.x, CentOS 5.x, 6.x. IBM AIX 5.3/6.1, VMware Esxi5.0/5.1
• Managed several hundred UNIX servers running RHEL on HP and Dell hardware including blade centers and IBM AIX on Power Series.
• Supported Redhat servers in Production and Development environments.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers in Linuxenvironment.
• Responsible for automating build and monitoring tasks across AWS and Rackspace using a variety of tools such as MongoDB, NginX, Jenkins, and JIRA.
• Deployment and implementation of Tivoli, SRM, BMC Patrol.
• Utilized Remedy for change management, incident tracking, and process documentation
• Installed and configured VxVM, VxFS and VCS onLinuxServers.
• Installation and configuration of Web Application servers like Apache, Tomcat and Weblogic.
• Worked on Virtualizing Redhat servers using vSphere 4.1/5.0 and managed ESX servers using vCenter and also worked with ESX Cluster and vMotion.
• Installed and Configured RedhatLinux usingKickstart and booting from SAN.
• Configuration and administration of Fiber card Adapter’s and handling of SAN (SAN arrays, Netapp, EMC VMAX, 3Par).
• Performed SAN Migration on RHEL servers.
• Extensive Experience in Installing and Building AIX Micro Partitioning Virtualization.
• LPAR System using AIX Ver5.3 and IBM p5 Hardware such as p550, p570, p590 and p595. Using the NIM Server.
• Experience in Building and Installing the VIOS Servers Storage and Network using VIOS AIX 5.3 and VIO Software ver2.1 with SSH capability.
• Worked with automation of daily tasks using ansible automation.
• Extensive Experience in Converting Existing Standard LPAR build in p5 systems with AIX Version 5.3 to VIOC (Virtualized Micro partitioning LPAR) with SAN Boot LUNS or Local Disk boot.
• Experience in writing scripts to automate jobs and debugging scripts.
• Experience in using protocols like NIS, NFS, SSH, SFTP & DNS.
• Installation and support of various applications like Weblogic server 10, Websphere 6.1, JBoss 4.x, Apache 2.x.
• Implemented day-to-day tasks in Red HatLinuxthat include upgrading rpms, kernel, HBA driver, configuring SAN Disks, multipathing and LVM file system.
• Used System Monitoring Tools such as Top, SAR, VMSTAT, IOSTAT, FREE, PS etc.
• Mirroring of root disks using Hardware Raid Controller on HP & Dell HW.
• Created volumes using storage such as Netapp, VMAX Array for Redhat servers.
• Data migration at Host level using Red Hat LVM, Veritas Volume Manager.
• Automated routine jobs by developing Korn, Perl and Bash shell-scripts.
• Troubleshooting and performance tuning of various systems problems such as application, network and hardware related issues.
• Cloning, deploying new VM’s from Templates different type of guest OS like Windows 2K3/2K8, Red hat Linux. Creating virtual NIC cards for the respective VMs and assigning the network connections.
• Creating vSwitch’s, different type of port group’s like Service Console, VMKernel, Virtual Machine and assigning the VLAN no’s. Configured NIC Teaming for load balance & failover.
• Experience withVMwareupdate manager to install patches and updates on ESX/ESXi 4.0, 5.0 hosts and virtual machines.
• Familiar with backup and restore of Virtual Machine backup, snapshot, P2V-V2V conversation withVMwareconverter and Patch updating, monitoring/reporting, SSH and SNMP and notification of alerts.
• Creation and management of Virtual Machines and Templates.
• Creation of clusters for (HA) High Availability, (DRS) Distributed Resource Scheduling and vMotion.
• Administering rights for Users and Groups for Virtual Center access.

Confidential, San Jose, CA

System Administrator

Responsibilities:

• Installation, configuration & administration of RHEL 3.x/4.x/5.1,5.2, CentOS 5.x/6.x.
• Responsible for determining hardware and compatibility requirements for installation of application software and different tools.
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects.
• Creating profiles, users, roles and maintaining security.
• Configured File Systems, users and group for Oracle and Websphere.
• Configuration of Kernel parameters for Oracle Database.
• Developed Shell scripts (Korn/Bourne) for automating the batch jobs.
• Extensively used LVM, created VGs, LVs, and disk mirroring.
• Monitored file system space using simple shell scripts; resize file systems as and when required.
• Configured clustering by using Veritas Clustering.
• Created users, manage user permissions, maintain User & File system quota onLinuxservers.
• Backup configuration using Veritas Netbackup.
• Setup and configured network TCP/IP on Red HatLINUX, CentOS including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on the Servers.
• Setup of full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Deploying HA & DRS Cluster, Managing resources.
• Creating new VM’s and Installing different guest OS like Windows server, Linux and Sun Solaris. Creating virtual NIC’s for the respective VM’s and assigning the network connections to a particular port group in the Vswitch’s. Involved in Managing, Installing, and Supporting Windows 2003/2008 Servers, and VMware ESX Servers 4.0/4.1.
• Building ESXi 4.0/5.0 Hosts and maintain those ESXi servers through vSphere Client.
• Taking care of capacity planning for new clusters, ESXi and VM storage issues.
• Configured HA, DRS clusters, FT for important VM’s.
• Analyzing and implementing OS patches and hot fixes as well as other OS configurations and updates using Blade Logic Patch Management tool.
• Creating VSwitch’s, different type of port group’s like Service Console, VMKernel, Virtual Machine and assigning the VLAN no’s to that. Configured NIC Teaming for load balancing and failover.
• Provisioned CiscoB200 M2 blade severs using UIMP 2.1 version. Monitoring the Confidential MDS 9506, Confidential Fabric Interconnects 6140, Nexus 5020 switches.
• Used Confidential UCS 1.3for managing Confidential B200 M2 and B440 M2 Blade servers.
• Managing VM’s and ESX servers by using VIC, Putty and Web Access and installing the VMware Tools on the VM. Install, upgrade, delete, and query packages in system.
• Migrating virtual machine configuration files and virtual disks from one Datastore to another Datastore Customizing VM’s (Memory, hard disk, Nic). Analyzing log files, Resources utilizing monitoring.
• Coordinating with teams, creating users account, assigning rights, sharing permission and managing profiles.

Confidential, Johns Creek, GA

AIX/Linux/VMware System Admin

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Configured IBM P6 and P5 for production, staging and test environments.
• Provided remote technical support for the AIX software team.
• Responsible for determining hardware and compatibility requirements for installation of application software and different tools.
• Analyzed problems on RPC, security & directory services of DCE/DFS. Fixed bugs using IPtrace tools, core dump analysis tools and memory leak tools.
• Logical Volume Management (LVM) administration of AIX.
• Performance Management & Tuning of AIX UNIX Kernel.
• Installed, Configured and maintained Red HatLinux, CentOS and Windows Servers.
• Storage setups, RAID, Logical Volume Manager, system backup design and disaster recovery
• Systems performance monitoring.
• Experience withVMwareVirtualization.
• Responsible for troubleshooting end user and application problems.
• Creating User accounts, Mail account, groups, printer etc.
• Monitoring system resources, logs, disk usage, scheduling backups and restore.
• Set up Quotas for the user accounts & limiting the disk space usage.
• Creation/Configuration of Additional swap/ tmp dynamically as and when required.
• NFS Management - Take care of user accounts/groups, setting up of NFS Environment.
• Solving the problems as & when created when NFS data being accessed.
• Installed packages using YUM repositories and configured Disk Management using LVM.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Configured auto mounts/maps for the user accounts.
• Administration/Configuration of Print Servers/Clients in the Network.
• Assigned local security policies on member servers and standalone servers using RDP.
• Manage and monitor Active Directory services and group policies.
• Worked elaborately on different windows environment which include Windows NT version 4.0, Work Station, Terminal, 2000 and 2003.
• Assigning folder permissions to the users by gathering approval from the group owners.
• Created objects like User Accounts, Computer Accounts, and Auto logon accounts.
• Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
• Assembling the systems and installing operating system and application software.
• Designing computer displays to accomplish goals using flowcharts and diagrams.
• Installing Operating Systems and Application Software.
• Training for users to use the program.

Confidential, Pleasanton, CA

System Admin

Responsibilities:

• Worked as Red Hat Enterprise Linux and AIX Systems Administrator and also performed support role for applications on mission critical Enterprise Networks and Multi-server environments.
• Racked and configured IBM RS 6000, P5 520, 550, 570, 575, 590, 595 and 610 for production, staging and test environments.
• Installed, configured and supported the NIM Server and NIM Clients.
• Planned and documented the process and the New Servers Builds in the environment.
• Upgraded HMC and Firmware of the AIX servers.
• Installation, configuration and administration of Red Hat Linux servers and support for Servers.
• Installation, maintenance and regular upgrades of Red Hat Linux Servers using kickstart based network installation.
• Disk Storage Management in AIX - Logical and Physical Volume management, configuring disks, working with volume groups, logical volumes, and physical volumes.
• Provided 24x7 System Administration support for Red Hat Linux 3.x, 4.xservers and resolved trouble tickets on shift rotation basis.
• Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
• Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain,
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Installation and configuration of Oracle 7.x/8.x.
• Implemented NFS, DNS and NIS under SUN.
• Wrote bash shell scripts for getting information about various Linux servers
• Installed and Configured Send mail Utility on Sun UNIX Servers.
• Administering NFS Mounts.
• Troubleshooting Backup and Restore Problems Creation of LVMs on SAN using Linux utilities