SUMMARY:

• System Administrator with 7.5 Years of Experience in UNIX/ Linux, VMware and Windows.
• Installation and upgradation of Packages and Patches configuration management, version control, service pack& reviewing connectivity issue regarding security problem.
• Experience in implementing and troubleshooting VMware ESXI 5.5/5.0/4.1 Hosts, VMware vSphere&vCenter.
• Deploying Virtual Machines through Templates, Converting Physical to Virtual (P2V) and Virtual to Virtual (V2V) Machines using VMware vCenter Converter Standalone and plate spin.
• Experience on Web servers such as Tomcat 3.x, 4.x, 5.x, 6.x, and 7.x & Apache Server 1.x, 2.x and integrating them with Web logic 10.x servers.
• Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, postfix, send mail, FTP, remote access, security management and Security trouble shooting skills.
• Experienced in working with the LAMP servers.
• Installing and configuring the LAMP servers in cloud environment.
• Monitoring and ensuring the behavior of the four open source web servers in LAMP.
• Experienced in implementing Splunk, Puppet, and Chef.
• Experienced in implementing and maintaining an Apache Tomcat /MySQL/PHP, LDAP, LAMP web service environment.
• Working experience in building and support using Git and Integration tools like Jenkins.
• Experience with Veritas Volume Manager (VxVM), Veritas File System (VxFS), Veritas Net Backup, Veritas Clustering with SAN, NAS environment.
• Experience in installing, configuring and implementing the RAID technologies using various tools like VxVM and Solaris Volume Manager.
• Experience in Server monitoring, capacity planning, application monitoring with the help of Nagios, Cacti, Zabbix, Puppet, Splunk.
• Experienced on Red Hat Satellite Server with custom repositories to provide a stable management solution for the Linux environment.
• Worked extensively on Red Hat Linux DNS servers from installing BIND package, updating the BIND database and troubleshooting the problems.
• Having complete UNIX power user toolkit, expertise in using vi, sed, awk, perl and basic SQL.
• Experience writing shell and Perl scripts for System administration and updating them in the Scheduler / Cron.
• Expertise in installing, configuring and supporting web servers like APACHE, TOMCAT, IIS.
• Good knowledge in Operating system level configuration of SAN using Netapp, EMC 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 RHEL Performance Monitoring tools using vmstat, iostat, prstat, mpstat, sar& top.
• Experience with Data Centre Migration and Infrastructure.
• Extensive experience in working with the VMotion and Storage VMotion technology.
• Experience in Adding servers to vCenter servers and managed hosts using vSphere client.
• Experience managing hosts individually and using vCenter server.
• Strong experience with the VMware HA (High Availablility), Fault Tolerance, Distributed Resource
• Scheduler (DRS) and VMware Distributed Power Management (DPM).
• Configured, deployed and involved in troubleshooting of VMs, ESX/ESXi servers, vCenter server, and vSphere. Configured Fault Tolerance (FT) for business critical servers.

TECHNICAL SKILLS:

Operating System: RHEL 4.x, 5.x, 6.x; CentOS 5.x,6.x, Windows NT/ 2000/2003/2008 R2Servers/XP/Vista/7/8. Expertise on Dev, Staging and Production environment under various OS, Application and Storage platforms.

Shell Scripting: Bash, Perl, Python, PowerShell.

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, Cisco UCS.

Virtualization: VMware ESX Server and vSphere, vMotion. Virtualization Technologies VI3,VMwarevSphere 4.0/4.1/5.0/6.0, VMware ESX 2.5/3.0/3.5, VMware ESXi 4.0/4.1/5.0/6.0, VMware vCenter, vSphere Client, VMware VDI, VMware ThinApp, View 4.6/5.0/6.0, 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/JbossServer Installation & Configuration; Compiling with Modules; Virtual Hosting; SSL, Loadbalancing& Clusters, VMware ESX and ESXi, Oracle Virtual Box 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, Shell Scripting, OS Administration basics.

PROFESSIONAL EXPERIENCE:

Confidential, Cupertino, CA

Systems Administrator(Linux/VMware)

Responsibilities:

• Installed, configured and Administrated of all UNIX/LINUX servers, includes the design and selection of relevant hardware to Support the installation/upgrades of Redhat 5.8/6.3, CentOS 5/6,operating systems.
• Writing NSH/BLCI as well as Shell scripts for the Infrastructure management or monitoring. Involved in VDI environments.
• Worked along with the team to migrate Linux Redhat.
• Involved in monitoring and managing Microsoft Azure cloud and VMwareenvironments.
• Involved working on source control tool like GITHUB.
• Installation and configuration of Web /Application Server Apache-Tomcat.
• Deployment and Configuration of Red Hat Satellite Server 5.4, including creating maintaining anycustomized kickstart configuration channels to deploy RHEL.
• Configured Red Hat Cluster Nodes for my legacy applications and verified the daily health check on the Cluster Nodes.
• 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.
• Experience in creating Clusters in Virtual Center and adding ESXHosts to Virtual Center Cluster. Experience in setting up VMKernel Network and Enable VMotion.
• Monitoring system performance and kernel tuning to enhance the system performance.
• Performing troubleshooting production issues, root cause analysis and preventive actions.
• Creating RAW and ASM disks for oracle.
• Along with the team Involved to work on Open Stack.
• Managed and reviewed Hadoop log files and Installed and reviewed Hadoop components. Monitoring application servers’ OS (Linux) performance and initial troubleshooting
• Troubleshoot ALL aspects of the BMC BladeLogic issues - Simple Agent communication to MultipleApplication server issues.
• Escalate the critical issues and product bugs to BMC Software.
• Handful of experience in on-call and direct interaction with the stakeholder's and end user's at Global level to solve their BMC Bladelogic related issues.
• Creating Service Request Matrices and Incident ticket matrices on a Weekly/monthly basis andupdating the same to the senior leadership team.
• Supporting infrastructure environment comprising of RHEL and Solaris.
• Experience with VMware Virtualization using ESX hypervisor of VSphere.
• Resolving different Users request.
• Installation and Configuration of VM's in VMware ESXi 5.0, 5.1 and troubleshooting of VMware, andESXi Servers.
• Experience in Physical to Virtual (P2V) and Virtual to Virtual (V2V) conversions byusing VMware Converter and Plate spin Power convert.
• Strong experience with the VMware HA (High Availablility), Fault Tolerance, Distributed Resource
• Scheduler (DRS) and VMware Distributed Power Management (DPM)
• Configured, deployed and involved in troubleshooting of VMs, ESX/ESXi servers, vCenter server,and vSphere. Configured Fault Tolerance (FT) for business critical servers.
• Experience in installing and configuring vCenter servers.
• Strong Experience in creating & configuring standard vSwitch and dvSwitch.
• Monitoring and managing performance of vSphereESXi servers and Virtual Machines.
• Experience in adding NFS storage and iSCSI storage to vSphere hosts.
• Experience in Virtual Machine cold clone and hot clone procedure.
• Experience in Virtual Machine cold migration and hot migration procedure.
• Experience configuring Resource pools and Shares in VMware Environment.

Environment: RHEL4.x, 5.x, 6.x, VMware 4.x, 5.x, VMware, Active Directory, Netapp, EMC Powerpath, Bash, Shell, HP Proliant, Cisco UCS.

Confidential, Richmond, VA

Linux/VMware Systems Administrator

Responsibilities:

• Worked on variety of Linux platforms Redhat Linux, Solaris which includes installation, configuringand maintenance of applications on this environment.
• 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, 4.1.2 Virtual Environment.
• Performed OS provisioning using kickstart through BMC Blade Logic.
• Performed patching of RHEL using yum, up2date and BladeLogic.
• Updating patches to keep servers updated against bugs present in the operating system using Redhat Satellite Server, yum, etc.
• Create, extend, reduce and administration of Logical Volume Manager (LVM) in RHEL environment. Creation, Installation and administration of Red Hat Virtual machines in VMware Environment.
• Creation of SAN File System on Red Hat Linux using multipath configuration.
• Installed, Configured and Administered Red Hat Enterprise, CentOS on VMs and physical servers. Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring, Fix the
• Problem with the partially mirrored Logical volumes.
• Installing and updating packages using YUM (custom YUM Servers/repositories), Red Hat SatelliteServer.
• Worked on Migrating Virtual Machines with VMotion.
• Experience in configuring VMware DRS Rules and VMware HA on Clusters in Virtual Center.
• Experience in creating and monitoring ResourcePool for Virtual Machines Resource Reservationand Limits.
• Servers support included NFS, NTP, FTP, user’s setup/troubleshooting.
• Implementing appropriate permissions for files and folders and Managing Users and Groups
• Creation and Maintenance of User Accounts file systems and successfully created logins IDs on large number of servers.
• Install/configure/maintain the Linux servers, NIS, DNS, NFS, Mailing List, Sendmail, apache, ftp,sshd.
• Configure reporting using various supported tools/scripts. Provide utilization, available capacityreports and growth estimates for all storage devices on weekly/monthly basis
• Installation, configuration, administration and troubleshooting of VERITAS Volume managementand VERITAS Cluster server products.
• Administration and support of VERITAS Cluster Services including VCS One on UNIX platforms, Installing and upgrading patches and packages on RHEL 5.x, 6.2 and 6.5 servers using RPM, YUMand third party software applications.
• Worked on daily task on Red Hat Linux that included upgrading rpms, kernel, HBA driver,configuring SAN Disks, multipathing and LVM file system.
• Installation, Configuration and Administration of VM's in VMware ESXi 5.0,5.1 and also patch management and troubleshooting of VMware, and ESXi Servers and migration of VMs and datastorage, snapshot and templates and clones.
• Managed separate VMware clusters like QA, Development and Production.
• Perform capacity analysis of existing physical production environment using VMware Capacity planner.
• VMware tools upgrading and Windows patch updates.
• Migrated datacenters and converted physical servers to virtual servers (P2V)using VMware Convertor.
• Created and Managed resource pools for Virtual Machines.
• Monitoring and managing performance of ESXi servers and Virtual Machines using Virtual centerserver for HA, DRS.
• Involved in live migration of Virtual Machines and Virtual machines files using the VMotion andStorage VMotion.
• Creation & Troubleshooting of both the switches, vswitch and distributed vswitch. Creation of templates from VMs and deploying VMs from templates.

Environment: Red Hat Enterprise Linux 4.x, 5.x, 6.x, VERITAS Volume Manager, Samba, OracleRAC/ASM (11g), VMware, Active Directory, Netapp, EMC Power path, DELL PowerEdge 6650, HP Proliant, Cisco UCS.

Confidential, Houston, TX

Linux/VMware Systems Administrator

Responsibilities:

• Managing and troubleshooting of FTP Server, Samba Server of the client.
• Maintain uptime of Linux production servers and follow proper escalation.
• Maintaining day to day operations, Install software, apply patches, manage file systems andtroubleshoot.
• Managing Red Hat Cluster, HPC environment etc.
• Building & configuring Red Hat Linux systems over the network, implementing automated tasksthrough crontab, resolving tickets according to the priority basis.
• Handling LVM related tasks, Creating, resizing LVM, Veritas Volume manager and also managing Cluster environment using Veritas Cluster suite.
• Monitoring system performance, Server load and bandwidth issues. Work with DBAs on installationof DB, restoration and performance tuning.
• Experience installing and Configuring RHEL 5.x,6.x, CentOS 5.x, 6.x .
• Managed several hundred UNIX servers running RHEL on HP and Dell hardware including blade Servers.
• Supported Redhat servers in Production and Development environments.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and fileservers in Linux environment.
• Worked on Virtualizing Redhat servers using vSphere 4.1/5.0 and managed ESX servers usingvCenter and also worked with ESX Cluster and vMotion.
• Installed and Configured Redhat Linux using Kickstart and booting from SAN.
• Configuration and administration of Fiber card Adapter’s and handling of SAN (SAN arrays, Netapp,
• EMC).
• Performed SAN Migration on RHEL servers.
• 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.
• Administration of WebSphere Application Server 6.x with Network Deployment, and Extension
• Deployment, on Redhat Linux.
• Implemented day-to-day tasks in Red Hat Linux that 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.
• Experience configuring Emulex Converged Network Adaptors by Installing One Command on RHELservers.
• 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 Machineand assigning the VLAN no’s. Configured NIC Teaming for load balance & failover.
• Experience with VMware update manager to install patches and updates on ESX/ESXi 4.0,5.0 hostsand virtual machines.
• Familiar with backup and restore of Virtual Machine backup, snapshot, P2V-V2V conversation with VMware converter and Patch updating, monitoring/reporting, SSH and SNMP and notification f 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.

Environment: RHEL 4.x, 5.x,BL460c HP, Cisco UCS, Oracle 10g, VMware ESX4.0,ESXi5.0, VMware update manager, vMotion, Storage vMotion.

Confidential

System Admin (Windows/VMware)

Responsibilities:

• Coordinating with teams, creating users account, assigning rights, sharing permission and managingprofiles.
• Installed, Configured and maintained Red Hat Linux, CentOS and Windows Servers.
• Storage setups, RAID, Logical Volume Manager, system backup design and disaster recovery Systems performance monitoring.
• Experience with VMware Virtualization.
• Performances, CPU and Memory monitoring of Red Hat Enterprise Linux.
• Create, deploy and manage Linux and windows VM using Red Hat Enterprise Virtualization Manager, which includes moving and migrating VM from one cluster to another cluster or within the samecluster.
• Responsible for troubleshooting end user and application problems.
• Installing and configuring Red Hat Linux locally or over the network-kick start- (nfs, ftp, http
• Experience in building binaries using Maven.
• Maintaining Server and Systems, provide IT support to User.
• Update and manage backup servers and client software's. Creation/Configuration of Additionalswap/ 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.
• 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.

Environment: Red Hat Linux 3.x/4.x/5.x, CentOS 4.6/4.7/5, Windows 2003/2008 R2, VMware ESX 4.0,VMware Update Manager, VERITAS Clusters, VERITAS Volume Manager, VMware,, Apache 2.0, NFS, Software RAID, DNS Servers.