PROFESSIONAL SUMMARY:

• Over 7+ Years of IT Industry experience comprising of 4 years of Linux System Administration, and 3+ of DevOpsBuild/Releasemanagement, Cloudmanagement and SoftwareConfigurationManagement.
• Managed Amazon Web Services like EC2, S3 bucket, RDS, EBS, Auto - Scaling, AMI, IAM and Elastic Load Balancer (ELB) through AWS Console.
• Worked with Chef Enterprise Hosted as well as On-Premise, Installed Workstation, BootstrappedNodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server, Managed On-site OS/Applications/ Services/Packages using Chef as well as AWS for EC2/S3/Route53 and ELB with Chef Cookbooks.
• Deployed Docker Engines in Virtualized Platforms for containerization of multiple apps.
• Worked in infrastructure team on installation, configuration and administration of CentOS 5.x/6.x/7, RHEL 5.x/6.x/7, Red Hat Satellite 6, Windows Server and SUSE Linux 10.x/11.
• Experience in Package Management using Red Hat RPM/YUM and Red Hat Satellite server.
• Experience working with Puppet Enterprise and Puppet Open Source. Installed, configured, upgraded and managed Puppet Master, Agents & Databases. Integration of Puppet with Apache and Passenger.
• Experience in working on source control tools like TortoiseSVN, CVS, and GIT.
• Strong knowledge on source controller concepts like Branches, Merges and Tags.
• Extensively worked on Jenkins by installing, configuring and maintaining for the purpose of continuous integration (CI) and for End to End automation for all build and deployments.
• Extensive experience using MAVEN and ANT as build tools for the building of deployable artifacts (jar, war & ear) from source code.
• Day to day job included handling Tickets, Monitoring, Troubleshooting, maintenance and 24x7on-call support.
• Experience writing bashshellscripts to automate day to day tasks such as backup, synchronization, monitoring etc.
• Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX Red Hat Linux Systems.
• Managed all the bugs and changes into a production environment using the JIRA tracking tool.
• Involved in setting up JIRA as defect tracking system and configured various workflows, customizations and plugins for the JIRA bug/issue tracker.
• Expertise in implementation, managing and maintenance of Apache httpd, SMTP, DHCP, NFS, NIS, NIS+, LDAP, DNS, SAMBA, Postfix, Send mail, FTP, Remote Access, Security Management and Security trouble shooting skills.
• Experienced with the installation, configuration of volume management using VERITAS Volume Manager 5.1/6.0 and Solstice Disk Suite on Solaris and experienced in RAID configurations.
• Experience in Backup Tools like NetBackup and Replication Suite.
• Installed, Configured, Managed Monitoring Tools such as Splunk, Nagios for Resource Monitoring / Network Monitoring/Log Trace Monitoring.
• Experience in writing scripts using BASH & PERL, Python.
• Day to day administration of the Development, Production and Test environment systems.

TECHNICAL SKILLS:

Operating Systems: Linux (Ubuntu, Centos, Redhat, Suse), Solaris /10/9/8, Windows Server.

Web and Middleware Technologies: Tomcat, APACHE 2.x, 3.x, F5 Load Balancers, Web Logic (8/9/10) & Web Sphere 4.0/5.0, Sun Cluster 2.x & 3.x, Nagios, JBoss.

Programming and scripting Languages: Java/J2EE, C, UNIX Shell Scripting, Perl Scripting, HTML, Perl, Ruby, Python.

Databases: Oracle 10x, MySQL 5.0.2, SQL Server 2005, IBM DB2, PostgreSQL.

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, LAN, FTP/TFTP, Samba, Apache.

Tools: Chef, Puppet, Jenkins, Ant, Maven, Docker, JIRA, Tortoise SVN, CVS, GIT.

Cloud Environment: AWS (EC2, S3 bucket, RDS, EBS, Auto-Scaling, AMI, IAM, ELB), VMware.

WORK EXPERIENCE:

Confidential - San Francisco, CA

DevOps Engineer

Responsibilities:

• Migrated VMware VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, EBS with Opscode Chef Cookbooks/Recipes.
• Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife.
• Designed and implemented Chef, including the internal best practices, cookbooks, automated cookbook CI and CD system.
• Wrote Python Scripts to Monitor Variety of Services &Perl Scripts with Hash/Arrays to Insert/Delete/Modify content in multiple servers.
• Leveraged Docker Engine to run Multiple Tomcat Instances as Containerized AppServers.
• Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain as a CI/CD process, SVN/GIT with Dev/Test/Prod Branching Model for weekly releases.
• Automated Weekly releases with ANT/Maven scripting for Compiling Java Code, Debugging and Placing Builds into Maven Repository.
• Installed, Deployed Red Hat Enterprise Linux 6.x/7.x, CentOS and installation of packages and patches for Red Hat Linux Servers.
• Applied patches every quarter regularly to meet audit requirements using Oracle Ops Center, YUM, RPM tools and Red HatSatellite server.
• Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.
• Creating the file systems using Red Hat volume manager and performing the health check on regular basis for all Linux servers.
• Worked with JIRA for creating Projects, assigning permissions to users and groups for the projects & Created Mail handlers and notification Schemes for JIRA.
• Scanning the newly assigned LUNs to the serves and assigning them to volume group and increasing the file system using RedHatvolumemanager.
• Mounting & un-mounting the NetAppstorageLUNs to the RedHatLinuxservers and troubleshooting the issues encountered.
• Planned and performed the upgrades on Linux operating systems and hardware maintenance on HP and POWERservers like increasing memory, disk, replacing failed hardware.
• Work with development teams and business areas to plan future capacity requirements and hold regular meetings to review usage as well as create, revise, and report any new measurements required to manage mainframe or distributed environments.
• Provide drill down reporting for application teams to use in monitoring their application resource usage/ performance.
• Performed DisasterRecovery in RHEL servers which consists of LVM based FS and Red Hat Clustering.
• Doing capacity Assessment for new requests of servers i.e. calculating CPU and Memory for new servers according to the current/future Applications running on the system.

Environment: Chef, AWS, Jenkins, ANT,RHEL 6.x/7.x, CentOS, VLAN tunneling, Logical Volume Manager, Perl Scripting.

Confidential - St. Petersburg, FL

DevOps & Cloud Engineer

Responsibilities:

• Creating the automatedbuild and deploymentprocess for application, re-engineering setup for better user experience, and leading up to building a continuousintegrationsystem for all our products.
• Implementing a Continuous Delivery framework using Jenkins, Puppet, &Maven in Linux environment.
• Manage deployment automation using Puppet, Custom Puppet modules, Ruby.
• Responsible for Design of different Release Environments for new projects.
• Created puppetmanifests and modules to automate system operations.
• Integration of Maven/Nexus, Jenkins, with Patterns/Release, Git, Confluence, Jira and Cloud Foundry.
• Using JenkinsAWSCodeDeploy plugin to deploy to AWS.
• Implemented and configured AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
• Migrated applications to the AWScloud.
• Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier.
• Created monitors, alarms and notifications for EC2 hosts using CloudWatch.
• Responsible for Database build, release and configuration.
• Responsible for nightly and weekly builds for different modules.
• Perform Deployment of Release to various QA & UA tests in Linux environments.
• Configured Elastic Load Balancers with EC2 Auto scaling groups.
• Configured servers to host Team Foundation Server (TFS) instance, build controllers and build agents.
• Writing Scripts like shell, bash etc. on UNIX, LINUX and Windows.
• Work with different teams for automation of Release components.
• Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.
• Troubleshoot the build issue during the Jenkins build process.

Environment: Jenkins, AWS, Maven, Puppet, GIT, Linux, Ruby, Jira, Shell scripting, Bash scripting.

Confidential - St Petersburg, FL

Build and Release Engineer

Responsibilities:

• Managing AmazonWebServices(AWS) infrastructure with automation and configurationmanagementtools such as Puppet, or custom-built designing cloud-hosted solutions, specific AWS product suite experience.
• Installed/Configured/Managed Puppet Master/Agent. Wrote custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Upgradation or Migration of Puppet Community and Enterprise.
• Developed and supported the RedHatEnterpriseLinux based infrastructure in the cloud environment.
• Experience in AWS, which included managingapplication in the cloud and creatinginstances.
• Experience in migration of consumer data from one production server to another production server over the network with the help of Bash and Perlscripting.
• Installed and configured monitoring tool Nagios for monitoring the network bandwidth and the hard drives status.
• Installed and configured DCHPserver to give IP leases to production servers.
• Management of Red HatLinux user accounts, groups, directories and file permissions.
• Applied the Clustering Topology that meets High Availability and Failover requirement for performance and functionality.
• Installed packages with YUM and RPM.
• Performed Disk management with the help of LVM (Logical Volume Manager).
• Configuration and Administration of Tomcat/Apache Web Server and SSL.
• Created and maintained network users, user environment, directories, and security.
• Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
• Provided 24x7 on call Support on Linux Production Servers. Responsible for maintaining security on Red Hat Linux.

Environment: AWS, RHEL, Puppet, Nagios, PostgresSQL, Apache Web servers, Maven, VMware, Tomcat/ Apache Web Server, DNS.

Confidential

Systems Engineer

Responsibilities:

• Deploying the Red HatLinuxenterprise server as like existing versions 5.x, 6.x versions.
• Creating the VMshell and pushing the operating system using the kick start server.
• Creation of Kickstart images for the different version of Red HatLinuxOperatingsystem like 5.x & 6.x.
• HP blade center C7000 hardware management using ILO console.
• Creating the server profile and making the network and SAN virtual configuration using Virtual Connect in blade center C7000.
• Creating the filesystems using Red Hatvolumemanager and performing the health check on regular basis for all Linux serves.
• Scanning the newly assigned LUNs to the serves and assigning them to volume group and increasing the filesystem using Red Hatvolumemanager.
• Mounting & unmounting the Netapp storage LUNs to the Red HatLinuxservers and troubleshooting the issues encountered.
• Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.
• Creating the filesystem and RAW logical volumes for the Oracle RAC based on the requirement.
• Migration of Red HatLinuxservers from 4.x version and working with the application team to resolve the issues post migration.
• Storage mapping on Redhat Linux and create the Volume group, Filesystems using LogicalVolumemanager.
• Installed/Configured Red HatLinuxcluster5x version & configuring the cluster resources.
• Adding storage to the cluster disks and increasing/ decreasing the filesystem in RHEL.
• Working on SAN storage on ESXI servers and assigning the LUNs to the Virtual Machines running on the ESXi server.
• Installed and Configured SAMBAServer in Linux for accessing the shared files from the windows environment.
• Configuring and Maintaining of NetworkFileSystems and Auto mount in networks.

Environment: RHEL, CentOS, VLAN tunneling, Logical Volume Manager, ESXi Servers, Perl ScriptingSAMBA Server, VMware.

Confidential

Linux Administrator

Responsibilities:

• Installed and configured several hundred Red Hat, VMware ESXi 4.1, 5& 5.5 Virtual Environment.
• Configured RedHatClusterNodes for any legacy applications and verified the daily health check on the Cluster Nodes.
• Installing and configuring Red Hat /CentOS 6.X using kick start servers in physical and virtual server environment
• Installing and updating packages using YUM (custom YUM servers/repositories) and Red Hat Satellite Server.
• Configured and Administered Apache, VSFTPD services, MYSQL and Tomcat.
• Participating in 24x7 production on-call support of Linux and provided technical support to users.
• Implemented Jenkins CI/CD tools
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite servers.
• Implemented rapid provisioning and life cycle management for Red Hat LINUX using kickstart
• Implemented in VMX, IBM
• Implemented Puppet for IT automation tasks across server farm.
• Expertise in security hardening (iptables/selinux) major Production Servers, and compiling, building and installing web server based Linux tools.
• Familiarity with Java-based server applications & logging framework
• Expertise DevOpsSupport/Monitoring
• Expertise in configuring Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the ClusterNodes utilizing clusters.
• Expertise in creating VMTemplates, cloning and managingSnapshots.
• Expertise in working with MySQLdatabases, ApacheWebserver, TomcatApplication Servers
• Troubleshooting any performance or configuration issues with MySQL and Oracle.
• Monitoring and troubleshoot backups and schedule Cron jobs.
• Experience in scripting using BASH&PERL, MailServer, SambaServer, ApacheServer.
• Resolving assigned remedy tickets and remedy tools in Development/QA/Staging/Production.

Environment: RHEL 4.x/5.x/6.x, Centos, Solaris, VERITAS Volume Manager 3.x/ 4.x, VERITAS Storage Foundation 5, VMWare ESXi 5.1, NFS, DNS, SAN/NAS.

Confidential

Linux Administrator

Responsibilities:

• Managing UNIX Infrastructure and EMC storage involving maintenance of the servers and troubleshooting problems in the environment.
• Installing operating systems Solaris, Linux and HP according to business requirements.
• Trouble shooting the issues ranging from Solaris, Linux and SAN environments.
• Created and Maintained Solaris 10 zones/containers.
• Experience in creation and maintenance of ZFS file systems.
• Regularly applying patches both for SUN and Linux systems.
• Installed and Configured Jumpstart and KickstartServer.
• Working with VERITASVolumeManager for creating volumes and file systems for various applications and databases.
• Experience with JavaEnterpriseApplicationServers such as IBMWebSphere, OracleApplicationServer (OC4J), JBOSS, and Tomcat.
• Configured, Installed LDAPSolaris and Linuxserver.
• Installed and configured Send mail on SolarisLinux and AIXservers.
• Experience in working with HitachiStoragenavigator.
• Manages Site minder administrator accounts and users when using the Site minder LDAPrepository.
• Migrated central send mail server to Postfix and Installed and Migrated SAP from Linux to Sunservers.
• Involved in SANmigration project to migrate the data across the storage arrays.
• Implemented security policy and managed firewalls/IDS. Managed DNS, Sendmail, IPspace, and co-location facility transition.
• Providing 24x7 on-call support on rotation basis.
• Assembled, Replaced and Handled Sun, Linux and AIXHardware problems in Data Center.
• Developed Korn and Bashshell-scripts to automate routine activities
• Installation and Configuration of Windows Active directory server2000 and citrixservers. Administration of applications via CitrixMetaFrame.

Environment: SUN E10K, E35000, Hitachi 9980v. Solaris 8/9/10, RHEL 3, Jboss, Veritas Volume Manager (VxVM), VMware.