PROFESSIONAL SUMMARY:

• Over 8+ years’ experience in Enterprise server environment with multiple operating systems. (Unix, RHEL 4.x, 5.x, 6.x, CentOS 4.x, 5.x, 6.x, AIX 5.x, 6.x, Windows 2003, 2008 R2, 2012, VMWare 4.x, 5.x,).
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Solaris and Red HatLinux.
• Experienced on Red Hat Satellite Server with custom repositories to provide a stable management solution for theLinuxenvironment.
• Proficient in providing support on the deployed Red Hat Enterprise Linux, AIX servers from both Operating system level and Application level.
• Experience in monitoring the availability & performance ofLINUXservers.
• Implement kernel changes/ITIL in production and test environment forLinux.
• Experience in configuration ofNIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, postfix, send mail, FTP, remote access, security management and Security trouble shooting skills.
• Extensive experience in Installation, Configuration and Troubleshooting web server issues ApacheWeb Server, Tomcat.
• Built, configured and upgraded VIO servers to implement virtual HBA (NPIV) shared SCSI, shared
• Ethernet adapters, VLANS, allocating disks via VIO servers to client LPARs
• Experienced in supporting database system, exadata & oracle RAC on Red Hat Linux.
• Well exposure to performance/kernel tuning, patch/packages management on UNIX servers.
• Deep understanding of key protocols and systems such as: NFS, DHCP, DNS, SMTP, TCP/IP, RAID.
• Performing troubleshooting production issues, root cause analysis and preventive actions.
• Strong scripting noledge (Perl, ksh, bash) to perform administration and automation tasks in Splunk, Puppet, Chef and Ansible.
• Installation and up gradation of Packages and Patches configuration mgmt, version control, service pack. & reviewing connectivity issue regarding security problem.
• Experienced in implementing and maintaining an Apache Tomcat /MySQL/PHP, LDAP, LAMP web service environment.
• Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, TCP, UDP, SMTP, FTP, and TFTP).
• Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linuxsystems.
• 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.Good noledge and experience.
• Hands on experience on hypervisors Vmware 5.x, 4.x,KVM.
• Hands on Experience in Installing, Configuring, Troubleshooting,Administration, Support
• fVMware ESX 3.5/4.0,VMwareESXi 4.1/5.0/5.1/5.5, Windows Servers
• 2003/2008/2008R2/2012VMwareESXi5.5/5.0/4.1/4.0/3.5, vSphere5.5/5.0/4.0,
• Strong noledge onVMwareHA,VMwareDRS, Resource pooling, Cloning and templates.
• Extensively worked on vMotion, Storage vMotion and Microsoft Active Directory.
• Extensive experience in migration of servers P2P, P2V and V2V by usingVMwareConverter, Plate spin and Double take.
• Experience on Vsphere Clientand Vcenter.
• Independent problem solving and a good team player with strong interpersonal and communication skills.

TECHNICAL SKILLS:

Operating Systems: RHEL 3/4/5,6, CentOS 4/56, Solaris 10/9/8,, IBM AIX (4.3/5.x), HPUX11i V1, V2 V3, VMware4., 5.x, Windows 2003, 2008 R2, 2012, SLES 8,9,10&11

Hardware: Cisco UCS, HP Proliant, Blade servers, DELL, Sun Servers, Netapp, EMC Desktops (SPARC 10, 5), DMX3 and DMX4 Storage Arrays, F5

Software: Veritas Volume Manager 3.5/4/5, Open Source ESB, Veritas File System,Veritas Cluster Server 3.5Veritas Netbackup 6.0, MS - Office/MS-Project

Web/ Application Server: Tomcat, APACHE 2.x, 3.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0, DB2, Oracle

Network Protocols: DHCP, DIG, DNS, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, nslookup, RIP, OSPF, BGP, TCP/IP, and Samba, Apache, OSPF, EGIRP, IGRP, FTP, IGRP, SNMP, SMTP, TELNET, TFTP.

Cluster Environment: Sun Cluster Servers 2.2, 3.1, 3.2 and VERITAS Cluster Servers 4.1

Programming Languages: C, C++, SQL, HTML, PHP, XML, Bash, Python, Perl and Shell Programming, JSP, java,J 2ee Pythonand Ruby

Third Party Software: VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL, Bitbucket, Artifacory, Splunk,Chef,Puppet, GitHub, flask django, Jenkins, Bamboo and Nagios, DevOps, TomcatOther tools: VMwareVSphere, XEN, ESX/ESXi, OpenStack, VCenter Server, Ansible, salt and DatacenterKVM, AWS, AWS, AWS elastic beanstalk

PROFESSIONAL EXPEREINCE:

Confidential, Phoenix, AZ

Sr.Linuxand VMware Administrator

Responsibilities:

• Installation, Configuration and up gradation of Red HatLinux5.x, 6.x, and using Blade Logic.
• Create, extend, reduce and administration of Logical Volume Manager (LVM) in RHEL environment.
• Creation of SAN File System on Red HatLinuxusing multipath configuration.
• Rebuilding of kernel in RHEL using mkinitrd.
• Performed combines multi-node software deployment, ad hoc task execution, and configurationmanagement using Ansible.
• Performance tuning of Virtual Memory, CPU, system usage inLinuxand Solaris servers.
• Performed Disaster Recovery in RHEL servers which consists of LVM based FS and Red Hat Clustering.
• Installation, configuration and administration of Jboss, Apache, Weblogic, Tomcat and Websphere.
• Creation, initialization, addition of Oracle ASM and FSR devices in multipath environment
• Building and supporting environments consisting Testing, Contingency, Production and DisasterRecovery servers.
• Implemented puppet, Nagios, Splunk, Chef and DevOps tools.
• Performed OS provisioning, patching of RHEL using yum, up2date using kickstart through BMC Blade Logic.
• Supporting infrastructure environment comprising of RHEL and Solaris.
• Resolving different Users request.
• Installation of HBA cards (Emulex and Qlogic).
• Troubleshooting Network, memory, CPU, swap and File system issues, TCP/IP, NFS, DNS, SMTP
• Deployed and maintainedVMwareESXi 5.1 and 5.5 host servers. Configured HBAs, iSCSI SAN storage.
• Familiar with backup and restore ofVMwarehost server configuration, Virtual Machine backup, snapshot, P2V-V2V conversation withVMwareconverter 4/5 and with other third party converters,
• Patch updating, monitoring/reporting, SSH and SNMP and notification of alerts.
• Installed ESX and ESXi servers on HP and Dell hardware.
• Configured HA, DRS clusters and capacity planning for new clusters, configuring FT for important VM's.
• Worked on ESX and VM storage issues and also coordinated with the storage admin team.
• Performed P2V Hot conversions using vCenter Converter Standalone 5 and also the P2V coldconversion usingVMwareConverter Boot CD.
• Worked on Disaster Recovery Exercises for DR Plan for Production Servers.
• Involved in creating VSS and VDS vSwitches and created different ports groups for different purposes.

Environment: Red HatLinux5.X, HP & Dell Servers, Oracle/DB2, VMware 4.x, 5.x, KVM

Confidential, Portland, OR

System Admin (Unix/Linux/VMware).

Responsibilities:

• Installed and upgraded packages and patches on RHEL 5.x, 6.2 and 6.5 servers using RPM, YUM andthird party software applications.
• Worked on daily work orders which included configuration of file systems using LVM andMultipathing.
• Installation of Database servers and user’s management such as Oracle, MYSQL, SQL Server.
• Implementation and maintenance of DHCP, NFS, NIS, DNS Mailing List, Sendmail, FTP and ApacheSMTP.
• Implemented Bash, Perl, Python scripting, to automate day to day job tasks.
• Updating patches to keep servers updated against bugs present in the operating system using Red HatSatellite Server, yum, etc.
• Worked on variety ofLinuxplatforms Red HatLinux, Solaris, Salt which includes installation,Configuring and maintenance of applications on dis environment.
• Involved in installation and configuration of various Third party software onto servers.
• Installed, configured and provided support for Tivoli Monitoring software across various OS platformslike RHEL, AIX and Solaris.
• Installed packages using YUM and Red Hat Package Manager (RPM) on various servers.
• Worked with Red Hat Satellite Server which is used to push changes across various serverssimultaneously.Migrated to Red hat satellite server 6 version.
• Performed combines multi-node software deployment, ad hoc task execution, and configurationmanagement using Ansible.
• Troubleshooting network administration, IIS configuration, DNS setup and modifications, firewall rule.
• sets, local and distributed director, connectivity, and supporting applications.
• Involved in ILMT Agent Deployments and Oracle/SQL Upgrade project which includes various UNIX.
• Responsible for independent support of Tier 2 issues: reboots, start/stop services, reset Terminal
• Experience with supporting and maintainingF5BIGF IP load balancers.
• Performed application installation and management on IBM AIX andLinux servers for applications like.
• Worked exclusively onVMwarevirtual environment.
• Experience in usingVMwarevMotion to move VM’s from One Datacenter to another datacenter.
• Upgraded vSphere 4.x to vSphere 5.x including vCenter Server, hosts, Update Manager
• Installed & configured Windows 2008 R2 with Active Directory service
• Installing, configuring, administering and troubleshooting VMs on vSphere 4.x and 5.x platform
• Installed and managed Symantec Endpoint protection software on servers and clients.

Environment: Red Hat EnterpriseLinux4.x/5.x/6.1, Ansible, Solaris 8/ 9/10, Tivoli StorageManager,VMware5.x, 4.x, Tivoli Net backup, AWS, AWS elastic beanstalk Web sphere. Windows

Confidential, Lakeland, FL

Linux and VMware SystemsAdministrator

Responsibilities:

• Worked Primarily on RHEL 4/5, HPUX, and Solaris Operating Systems.
• Text processing, also in network programming with Perl Scripting.
• Involved in migration activities using Red Hat LVM, Solaris LVM, Veritas and EMC Open Migrator.
• Writing Shell and Perl Scripting for automation of job.
• Tuning the kernel parameters based on the application/database requirement
• Installation of OAS (Oracle Application Server) on Linux and its configuration with oracle database.
• Used Veritas File system (VxFS) and Veritas Volume Manager (VxVM) to configure RAID 1 and
• File system tuning, growing, and shrinking with Veritas File system 3.5/4.x.
• Manage user accounts for the team access for Red Hat Satellite Server.
• Build channels and pull the packages from master Red Hat Satellite Server.
• Troubleshooting hardware, software and configuration problems for various protocols and topologies.
• Installed and configured GFS cluster for holding databases.
• Configured open LDAP Red HatLinuxsystems.
• Setup optimal RAID levels (fault tolerance) for protected data storage in NAS environments.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP IMAP and POP3) and file servers.
• Expertise in troubleshooting the systems and managing LDAP, DNS, DHCP and NIS.
• Worked with different Active directory databases like Microsoft AD, Tivoli Directory server with LDAP.
• Worked on making DNS entries to establish connection from server to DB2 database.
• Performed patching, backups on multiple environments of Solaris,Linuxand VMware.
• Created new slices, mounted new file systems and uncounted file systems.
• Involved in preparation of functional and system specifications. Estimated storage requirements for applications.
• Installed Management Server (VMwarevCenter Server) instance to enable centralized managementof multiple hosts
• Create resource pools and segregated VMs into those pools. InstalledVMware Tools.
• Deploy VMs from templates and take snapshots according to user’s requirement.
• Configure HA and DRS clusters and Fault tolerance for virtual environment.
• Converting physical servers to virtual servers usingVMwarevCenter Converter.
• Built servers and installed applications as per the company standards and requirement. Upgraded
• firmware on the servers. Participated in mounting, racking and cabling of the servers
• Monitored the servers and trouble shot the server issues.
• Resolved the user issues related to Active Directory Users and Groups.

Environment: Red HatLinux(RHEL 3/4/5), VMware 4/5, Solaris, Logical Volume Manager, Global File System, Ansible, Red Hat Cluster Servers, VMware 4/5

Confidential, Irvine, CA

Linux/VMwareSystem Admin.

Responsibilities:

• Maintaining and Troubleshooting of FTP Server, Samba Server of the client
• Handling the day-to-day Operations, install software, apply patches, manage file systems, monitoring
• performance and troubleshoot alerts.
• Maintain 99.98% uptime ofLINUXproduction servers and follow proper escalation.
• Responsible to solve technical Problems related System administration (Linuxof Our Clients
• Managing Red Hat Cluster, HPC environment etc.
• Building & configuring Red HatLinuxsystems over the network, implementing automated tasks through 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.
• Handling the day-to-day Operations, Troubleshooting & Solve Server Problems inLINUX.
• Maintaining Server and Systems, provide IT support to User.
• User Administration (setup and maintaining accounts
• Monitoring system performance, Server load and bandwidth issues.
• Work with DBAs on installation of DB, restoration and performance tuning.
• Updating Systems, Servers and client software's.
• Experience withVMware, creating VM Sessions for installing multiple OS and applications.
• Strong noledge onVMwareHA,VMwareDRS, Resource pooling, Cloning and templates.
• Experience and Familiar with Virtualization technologies like installing, configuring,administeringVMwareESX/ESXi and Citrix Xen Server. Created, managed and maintained VMs.
• Working on Ticket process in receiving Incident tickets in Remedy Tool in 24x7 environments.
• Implement the policies for the users of the computer system and network.
• Regularly manage backup process for Server and Client data.
• Installing open source application, search, analyze and develop new application for users.

Environment: Centos 5.7/6, Red HatLinux5.7/6, Ubuntu 10.04/10.10/11.10, Fedora 17

Confidential, Deerfield, IL

System Admin

Responsibilities:

• Installation of patches and packages using RPM and YUM in Red hatLinux.
• Created and modified application related objects, created Profiles, users, roles and maintained system
• security.
• Responsible for setting up cron jobs scripts on production servers.
• Installed and configured SAMBA server for Windows andLinuxconnectivity.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Responsible for writing/modifying scripts using sh, ksh, and bash for day-to-day administration.
• Modified Kernel parameters to improve the server performance inLinux.
• Creation of Logical volumes (LVM) forLinuxoperating systems.
• Installed and configured Apache / Tomcat web server.
• Involved in design, configuration, installation, implementation, management, maintain and support for
• the CorporateLinuxservers RHEL 4x, 5.x, SLES 9, CENTOS 5.x. Coordinating with 24 x 7 on-call support personnel in debugging.
• Maintained proper documentation of all the activities carried out during the project
• Worked with DBA team for database performance issues, network related issues onLinuxServers.
• Maintained proper documentation of all the activities carried out during the project.
• Created and modified users and groups with SUDO permission.
• Installed and configured VNC server/client.

Environment: Red HatLinux(RHEL 4/5), Logical Volume Manager, Global File System, Red Hat