PROFESSIONAL SUMMARY:

• 8 years of IT experience in Unix System Administration with extensive experience in Solaris, Confidential - UX, Redhat Linux, CentOS, SUSE, Ubuntu, AIX and Windows (XP, 2003/08/12) Administration.
• Installing, upgrading and configuring SUN Solaris 8, 9 and 10 on Sun Servers Using Jumpstart Servers.
• 6+ years of Dev Ops experience and worked with automation tools Puppet, vRealize Automation, Chef, Ansible. Extensive experience with AWS and Open Stack and Managing over Puppet and Chef.
• Extensive experience in installing, configuring, troubleshooting, maintaining, implementation and support on Redhat Linux, CentOs, SUSE and Ubuntu.
• Experience in supporting and maintaining environments with different middleware applications like JBoss, iPlanet, weblogic, Tomcat & Sun one server.
• Experience on working with VMware ESX server 3.5, 4.0, vSphere, VMware Workstation, Virtual Box, Oracle Virtual Machine (OVM) and Redhat KVM.
• Experience working with Vblock Infrastructure to perform Virtualization using VMWare ESX, vSphere on RHEL servers.
• Experience in performing P2V, V2V migrations using VMware Converter.
• Experience in Migrations at host level using different software likes EMC Open Migrator, Redhat LVM and VERITAS Volume Manager.
• Expertise in disk, file system management, Volume Management using VERITAS volume manager, Solaris Volume Manager, VERITAS File System, General Parallel File System (GPFS).
• Supported high availability, data replication, and failover using Veritas Cluster Server 3.x/4.x in SAN environment.
• Experience in configuring Raid-0, Raid-1, Raid-5, ISCSI, IDE, SATA, and creating Logical Volumes, Logical Volume Groups and supported them.
• Installation, patching, upgrading, tuning, configuring and troubleshooting Solaris zones and have working knowledge of ZFS and LDOM’s.
• Experience with BMC Remedy, ITSM, Workflow, Confidential Quality Center and JIRA systems.
• Experience with Configuration and Maintenance of Automation tools like Puppet, Blade Logic, Ansible and Chef.
• Experience with Jenkins, Maven, Ant, SVN and GIT.
• Experience in Deployment and supporting the systems hosted OpenStack and Confidential Helion
• Experience working with AWS Cloud computing and involved in creating AWS instances and deployed Linux and Ubuntu on AWS environment.
• Experience in Bash, Perl, Python and Ruby Scripting.
• Experience in TCP/IP network setup and troubleshooting.

TECHNICAL SUMMARY:

Operating Systems: Sun Solaris8, 9/10/11,, SUSE 9/10/11, Ubuntu 6/10/12/14, Redhat Linux 4.x/5.x/6.x, ES3/4, Confidential -UX 11.0/11.11, 11.23, SUSE 8,9,10 &11,VMWARE ESX 3.5, 4.0,Windows XP/NT/ 2000/2003/2008/2012

Software: VERITAS Volume Manager 4.x, 5.x, VERITAS File System 3.x/4.1, VERITAS Cluster Server 4.x, Solaris Volume Manager, General Parallel File System (GPFS)

Server Management: SUN Solstice Disk & Admin Suites, VxVM, SMC, Confidential Open View, Network Node Manager, Compaq Insight Server Manager & Intel LAN Desk Manager, Puppet, Chef, Nagios, Zabbix, vRealize Automation, BMC Patrol and Predict.

DevOps Tools: Maven, Jenkins, SVN, ANT, GIT

Cloud: GCE, AWS, Client Server Automation HPSA and Openstack

Languages: C, C++, XML, PHP, PL/SQL, Shell Scripting - ksh, Bash and csh, Perl, Ruby and Python

Database servers: Oracle 8i, 9.2.x, 10, MySQL, Cassandra and Sybase on Solaris and RedHat Linux and Win NT/2000, MySQL 7, 2000, 2012

Networking Protocols: SNMP,SMTP,TCP/IP,IPX/SPX,NetBEUI,SSH,SSL,BGP,EIGRP,LAN,WAN,ARP/RARP,LDAP,FTP/TFTP, RIP, DHCP, DNS, NIS

Application Servers: Web Sphere Apache, JBoss, Tomcat, Web Logic, Weblogic, PL/SQL

File System: UFS, VxFS, ext2, ext3, NFS,ZFS, JFS,GPFS

Storage: EMC Symmetric, Clarion, Sun Storage D1000, A5000/5200, NetApp

Virtualization: VM Ware, Zones, Containers, LDOM’s, LPAR’s

Hardware: Sun Fire (v880/V480/V240/V210/V440/280R/ 6800/4800/3800/ E10K, 15K, 25K Ultra-5/10, Enterprise 6500/5000/450/420 R, T5440, T2000, T5120, M4000, M5000, M6000, IBM RS 6000, pseries, Power edge 2850/1850, Confidential /9000K,IBM RS/6000, rp3440, rp5470, rx3660, rx6600, Confidential C7000 and C 6000 Blade Enclosures

PROFESSIONAL EXPERIENCE:

Confidential, AUSTIN, TX

Sr System Administrator/ Sr Linux Administrator

• Extensively worked on Installation and configuration of Redhat Linux 3/4/5/6.x, CentOS 4/5/6.x, Solaris 9/10, SUSE and Windows 03/08/12 Servers on large distributed environment.
• Worked on Vblock Infrastructure to perform Virtualization using VMWare ESX, vSphere on RHEL/SUSE servers.
• Worked on vRealize Automation which accelerates the deployment and management of applications and compute services.
• Worked on Installation of VMware ESX and creating Virtual Machines from scratch and from templates and Assisted in troubleshooting applications for Load balancing.
• Deployed and Configured Automation tools like Puppet, Blade logic, Ansible and Chef.
• Worked on configuring Puppet master servers and installing Puppet client software on Linux servers.
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Worked on Installation and Configuration of Chef Server and Chef-client
• Deployed and maintained infrastructure using Chef cookbooks and recipes
• Configured yum repository server using Chef on RHEL 5/6.x in VMware environment.
• Experience working with Client Server Automation HPSA.
• Troubleshooting and performance tuning issues with applications like Oracle 10g, MySQL 4.x, WebLogic 10, MQSeries 6.x, Condor apps & Java Applications on operating systems which included Solaris and RHEL.
• Worked on Shell & Python scripting.
• Supported the systems hosted on Openstack, Helion.
• Deployed and maintained the cloud based application environments running on OpenStack
• Worked on Helion Nova compute and controller services.
• Worked on Keystone identity service, Swift object storage service, Glance image service, Cinder block storage service and Networking service
• Troubleshooting and log analysis for Openstack, Helion deployments.
• Worked on tools like TCPDUMP, NMAP, analyzing TCP, SSL Handshakes
• Configured Various Network services such as LDAP, NFS, NIS, DNS, NIS, NIS+ and Send mail in RedHat Linux, SUSE and Solaris servers.
• Experience managing NFS shares and file systems from NetApp filers and EMC NAS devices.

Confidential, SAN JOSE, CA

DevOps/ Linux Admin

• Administration of RHEL 4, 5 and Solaris 9, 10 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Launching and configuring of Amazon EC2 Cloud Servers using AMI's (Linux/Ubuntu) and configuring the servers for specified applications
• Installed and Configured Oracle ASR on total Solaris 10 Environment.
• Actively involved in architecting the puppet infrastructure to manage more than 4000 servers.
• Written multiple manifests and also customized facts for efficient management of the puppet clients
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers across ESX hosts.
• Jumpstart Solaris servers, custom configure, install packages, patches, harden. Creating LDOMs, installing Solaris, creating volumes & installing packages.
• Created Zetabyte file system (ZFS) in Solaris 10. Creating Zones, zpools and adding resources like network & file systems.
• Creating LDOMs, installing Solaris, creating volumes, installing packages.
• Solaris Live Upgrade from Solaris 8, 9 and old update from Solaris 10 newer update version across the whole environment.
• Established continuous integration (CI) practices and standards.
• Set up Jenkins server and build jobs to provide continuous automated builds based on polling the Git source control system during the day and periodic scheduled builds overnight to support development needs using Jenkins, Git and JUnit.
• Automation of configuration and management through Puppet.
• Lockdown the local accounts to secure the environment using NIS.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Troubleshooting tickets, which includes storage, network, system related issues and logging in JIRA and BMC Remedy.

Confidential, ORLANDO, FL

DevOps/ Linux Admin

• Installing and upgrading Redhat 5.x, CentOs 5.x, SUSE and Solaris 9/10 on Various Confidential and Dell Hardwares.
• Creating sparse root and whole root zones and administered the zones for Web, Application and Database servers and worked on SMF on Solaris 10.
• Implemented and administered VMware ESX 3.5, 4.x for running the Windows, Redhat Linux and Ubuntu Servers on development and test servers.
• Involved in managing SAN disks like EMC Clariions and VMAX using EMC Powerpath and Volume Management softwares.
• Worked on configuring Puppet master servers and installing Puppet client on Linux servers.
• Involved in automation by using Puppet and Chef master running on RHEL with around 100 clients
• Wrote Shell and Python scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.

Confidential

Linux Administrator

• Responsible for Remote Linux Support with more than 600 servers.
• Provided 24x7 supports on shift rotation basis.
• Configured Redhat Linux servers for production, staging and test environments running Database and Middleware applications.
• Installation and configuration of VM’s with Redhat LINUX servers running on Confidential & Dell HW.
• Installed and configured SSH server on Redhat/CentOS Linux environments.
• Installation and upgrade of Open SSH 4.3p1 on Redhat Linux, Open SSH 4.1p1 on Confidential &Dellservers.
• Used Python programming in Linux platform to design the front-end portion of the plug-in.
• Worked on redhat 4.x and performed daily tasks using CRON scheduler and automated it.
• Configured Raid with the help of lead and created a LUN and Logical volumes from that.
• Used Debian distribution of Linux called Ubuntu in my personal computer and used python 2.3.
• Responsible for maintaining and configuring NFS, DNS, DHCP and iSCSI servers.
• Creating application and database file systems using volume managers like LVM and VERITAS.