Duration: Jul 2015 – Dec 2015

Role: Sr.DevOps Engineer

Responsibilities:

·               Created batch files for .net applications to automate the deployments.

·               Experience in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB), auto scaling groups. 

·               Responsible for managing infrastructure provisioning (S3, ELB, EC2, RDS, Route 53, IAM, security groups - CIDR's, VCP, NAT) and deployment via SCALR and EC2 Installs with Centos, Ubuntu RHEL6 and Scientific Linux.

·               Using AWS Lambda, running scripts/code snippets in response to events occurring in 
AWS Cloud and maintaining it.

·               Automate Deployment using configuration Management tool like puppet to provision amazon AWS Instances to enable continuous Deployments.

·               Responsible for Design and architecture of different Release Environments for new projects. 

·               Worked at optimizing volumes and EC2 instances and created multiple VPC instances. 

·               Writing Maven and Ant scripts for application layer modules. 

·               Implementing new projects builds framework using Jenkins & maven as build framework tools. 

·               Worked on Autoscaling, Cloudwatch (monitoring), AWS Elastic Beanstalk (app deployments), Amazon S3 (storage) and Amazon EBS (persistent disk storage).

·               Utilize Amazon Glacier for archiving data. 

·               System monitoring with Nagios & Graphite.

·               Installed, configured and maintained web servers like HTTP Web Server, Apache Web Server and WebSphere Application Server on Red Hat Linux. 

·               Worked with multiple development teams to troubleshot and resolve issues. 

·               Integrated Selenium automation regression test suite in Jenkins build pipeline.

·               Used Puppet server and workstation to manage and configure nodes

·               Experience in writing Puppet manifests to automate configuration of a broad range of services.  

·               Good experience writing Manifests, Modules using Industry Best Practices for both Deployment Automation and Infra Configuration Management.

·               Peer Reviewing puppet Code and providing advice and Testing modules withrspec- puppet and docker containers before uploading to puppet server. 

·               Practical/hands-on knowledge on using Mcollective, Hiera in conjunction with puppet  modules

·               Automate provisioning of Amazon AWS instances

·               Maintained Chef and Puppet servers and management application that can use Service Now (CI) data to bring computers into a desired state by managing files, services, or packages installed on physical or virtual machines

·               Understanding & usage of Atlassian tools (i.e. Bamboo, JIRA, Confluence)

·               Responsible for proper functioning DEV/TEST/STG/PROD environments for these applications.

·               Participated in after hour's on-call rotation to support Ops performs deployments on PROD environment

Environment: SaaS applications, SVN, Maven, Jenkins, Nexus, Bash Scripting, Ruby Scripting Puppet, JIRA, Tomcat, Java, JUnit, Docker, XML, XPATH

Client: Blue Cross Blue Shield of TN, Chattanooga, TN

Duration: Aug 2014 to Jun 2015

Role: Sr.Infrastructure /DevOps Engineer

Responsibilities:

·               Migration of Projects into the AWS Platform

·               System Administration of Linux servers- Redhat, Centos and Suse

·               Puppet Installs for Deployment to QA, Pre Prod and Prod Servers

·               Define, Simulate, Enforce and Report through Puppet Enterprise

·               Jazz Migration of Data from Subversion and ClearCase using Connectors

·               Developed the Jenkins Architecture, with Master and Slave Systems and Maintained Artifacts in Repositories such as Nexus and Clear Case, Subversion and GIT

·               Used Jenkins and Nexus to build code from Subversion to Testing and Developing Environments

·               Configured Jenkins Projects with Subversion and Clear Case

·               Shell Scripting, Perl Scripting, Ant and Maven Build Automation Utility

·               Managed the Subversion Repository, by creating repositories, adding users, adding tags to testing and production code, managing the property file.

·               Web logic Deployment Process Consultant, Python scripts and command line deployment

·               Experience with Unix Administration, Scripting and Release Build and Deployment

·               Experience in shell scripting, Perl scripting, Cronjob and AutoSys scheduling

·               Built Deploy Systems using Clear Case, Subversion with Jenkins Integration.

·               Manage, load, write and force start Autosys Jobs

·               Continuous Integration Tools from Subversion such as Jenkins and Cruise Control

·               Upgrade of Multisite Clear Case and Clear Quest to version 8, ClearQuest Designer

·               Managed the IT Division Expenditure and Trimmed license usage upto 2.4 M

·               Experience with Linux and Windows Platforms

Environment: Linux, Java, ClearCase, Hadoop, Windows, AWS, Puppet, Jenkins, Python, shell

Client: Kitara Media Corp, Jersey City, NJ

Duration: Jan2012- Jul 2014

Role:Build and Release Engineer

Responsibilities:

·               Analyzed the ANT build projects for conversion.

·               Converting the ANT build projects to Maven build projects.

·               Developed the Maven build pom.xml scripts.

·               Managed Maven project dependencies by creating parent-child relationships between projects.

·               Integrated the Code Quality Analysis tools like Find Bugs, JUnit and Checkstyle into the projects.

·               Build and Administered the Bamboo Continuous Integration servers.

·               Build and Configured Bamboo Elastic for Parallel Job execution.

·               Creating new build jobs, integration testing jobs and deploy jobs in Bamboo to automate the process.

·               Tracking tasks and controlling changes in the cross-disciplinary field of configuration management using SCM.

·               Installed and configured the WebLogic application servers for Dev and Integration Test Environments.

·               Built and deployed Java/J2EE artifacts onto the WebLogic Application Servers in an Agile continuous integration process.

·               Experience in installation and configuration of Puppet.

·               Using BuildForge version control tools for developing multiple applications on Source codes repository.

·               Involved in periodic archiving and storage of the source code for disaster recovery.

·               Developed, maintained, and distributed release notes for each scheduled release.

·               Worked on Oracle10g database.

·               Patched different software using RedHat Package Manager and YUM.

·               Installed certain RPM packages, which were not installed default for Oracle.

·               Installed and configured Apache ANT for automated build processing using RPM.

·               Downloaded latest kernel from YUM server, created repo to make it available for the installation of target servers.

·               Worked with HP Quality Center for Issue Tracking and monitoring.

·               Worked with the Architects on SDLC process being the owner of post development environments.

·               Coordinated the resources by working closely with Project Managers for the release and carried deployments and builds on various environments using Bamboo continuous integration tool.

Environment: Buildforge, ANT, MAVEN, Bamboo, SCM, HP Quality Center WebLogic Application Servers, ORACLE, MS.Net, Java, J2EE.

Client: ITC Ltd, India

Duration: Oct 2010- Dec 2011

Role: Release Engineer

Responsibilities:

·               Performed software configuration/release management activities for three different Java applications.

·               Designed and implemented Continuous Integration process using tools like Hudson with approval from development and other affected teams. Defined processes to build and deliver software baselines for internal as well as external customers.

·               Converted old builds using MAKE to ANT and XML for doing Java build

·               Used JBoss server as building the server distribution.

·               Created and maintained built wrapper scripts using PERL.

·               Work with different configuration management tools like Chef, Puppet.

·               Maintained and executed build scripts by coordinating with development and QA teams.

·               Responsible in doing build and deploying on different environments simultaneously.

·               Deployed the EAR and WAR archives into Weblogic and Apache Servers.

·               Configured and Maintained Apache web servers for Release Management Team’s internal use.

·               Provided assistance to developers in resolving problems.

·               Created and Maintained Subversion repositories, branches and tags.

·               Acted as an Integrator for performing merge, rebase and baseline operations. 

·               Enforced development policies using Subversion hooks and other metadata.

·               Attend forum for management of release weekly meetings.

·               Monitor progression of releases and keep them on track for delivery on planned release date.

·               Submit request for implementation to various groups who participate in release.

·               Assemble Release Kit and complete all paperwork, including implementation/back out plans.

·               Turnover documentation monitors status of actual production turnover.

·               Serve as production implementation coordinator.

·               Communicate status of release to all stakeholders.

Environment: Java, Ant, Hudson, Weblogic, Subversion, Shell & Perl scripting.

Client: Neyvel Lignite Corporation, India.

Duration: Jan 2009 - Oct 2010

Role:  Linux Administrator

Responsibilities:

·               Establishes system by planning and executing the selection, installation, configuration, and testing of web application server hardware, software, LANs and WANs.

·               Maintains optimal system performance with system monitoring, analysis, and performance tuning.

·               Involved in Hardware and software evaluation, recommendation and vendor management.

·               Automation of various administrative tasks on multiple servers using Puppet.

·               Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.

·               Troubleshoots system hardware, software, networks and operating system.

·               Designs and runs system load/stress testing.

·               Secures system by developing system access, monitoring, and controls.

·               Establishes, tests and documents disaster recovery policies and procedures.

·               Developed build and deployment processes.

·               Developed and maintained integration and release processes.

·               Developed and maintained UNIX/Perl/Ant scripts for build and release tasks.

·               Responsible for building and releasing packages in different Environments.

·               Performing clean builds according to the schedule published for a given release.

·               Responsible for deleting the old deployed code and deploying the newly built code using Web Sphere IDE (Integrated Development Environment).

·               Releasing code to testing regions or staging areas according to the schedule published.

Environment: Red Hat Linux 3/4, Solaris 9, Veritas volume manager, Puppet, SSH, LVM, SVM, WebSphere Servers