SUMMARY:

• Having 8+ years of IT Industry experience with Configuration Management, DevOps, Build, Release Management and Quality Assurance using CVS, Subversion, Clear Case and GIT on UNIX, LINUX and Windows environment.
• Excellent understanding of SDLC Methodologies like Agile, Waterfall, RAD and other processes.
• Extensive experience with Continuous Integration Tools (Jenkins, Hudson, Bamboo)
• Experience in using GIT and Rational Clear Case on UNIX and Windows environment.
• Created Process, policies, procedures and Release Notes for migration of SCM and CI Environment from Ubuntu to SUSE.
• Scripting in multiple languages on LINUX, Python etc.
• Extensively experienced in using Build Automation tools like ANT and Maven and working knowledge other build tools like MS Build and CMake.
• Hands - on experience with automation technologies like Puppet, Chef or similar, understanding of container technologies like Docker.
• Implemented Continuous Integration concepts using Hudson, Cruise Control, Jenkins and Anthill Pro.
• Extensible experience in setting up Baselines, Branching, Merging and Automation Processes using Shell, Perl, Python and Batch Scripts.
• Experience with Docker container management.
• Experience working with RHEL7, RHEL6.
• Back end development and maintenance of websites using Python, PHP and MySQL.
• Wrote deployment Automation scripts for multiple JAVA/J2EE Applications.
• Used Ant/Maven for building Java/J2EE Applications.
• Working experience in using configuration management and automation tools like Puppet/Chef/CFengine and cobbler for automating configurations and maintaining stability across several hundred machines.
• Installation and Deployment of multi-node, high availability hadoop clusters.
• Experienced in Hive, Nagios monitoring, Zookeeper.
• Provided performance tuning and analysis of hadoop ecosystem
• Hands on Experience in setting up tenants in Public Clouds (Amazon AWS, Windows Azure etc.)
• Having good Experience in Chef, Ansible and Puppet for Deployment on Multiple platforms.
• Build server deployment on Cloud (EC2) servers with help of devops tools like Puppet.
• Strong knowledge on Hadoop HDFS architecture
• Expertise in using build tools like MAVEN and ANT for the building of deployable Artifacts such as War & Ear from Source Code.
• Knowledge in scripting languages like Shell, Python, PowerShell, Ruby, Perl.
• Managed Clusters with various Servers in Azure Cloud Resource Groups.
• Having good hands on experience on different flavours of Linux like Suse and.
• Experience in migrating key systems from on premise hosting to AWS Web Services.
• Automated the cloud deployments using chef, Python and AWS Cloud Formation Templates.
• Experience in working with the Columnar NoSQL Database like HBase, Cassandra to manage extremely large data sets.
• Experience in implementing and deploying workloads on Azure VM.
• Good understanding of Azure Web App hosting plans and experience of Implementing, deploying and configuring Azure Websites.
• Good understanding of Azure SQL, networking concepts. Azure Virtual Network.
• Installation and configuration of MySQL database server and client on Linux Red Hat and Windows Server.
• Experience in Server infrastructure development on AWS Cloud, extensive usage of VirtualPrivate Cloud (VPC), Cloud Formation, Cloud Front, EC2, RDS, S3, Route53, SNS, SQS, Cloud Trail.
• Deploying, managing, and operating scalable, highly available, and fault tolerant systems on AWS.
• Installation, Configuration and up gradation of Clusters and Azure.
• Written Chef cookbooks and recipes to Provision Several pre­production environments consisting of Cassandra DB installations and several middleware installations.
• Integrated Eclipse IDE with different versioning tools like Clear Case, Subversion and CVS.
• Strong technical knowledge in Jboss Application server implementation, support, workload management and performance tuning including Web server setup configuration with Jboss App Server.
• Experienced in trouble shooting, Configuring and Deploying Enterprise Applications in WebSphere, BEA WebLogic, and JBOSS/Tomcat as well.
• Designed and implemented Cloud CI/CD Pipelines and Highly Available and Scalable Micro services platforms adapting VM Services to Docker.
• Created CM Plans and Build Documentation while maintaining source code.
• Experience in Installing, configuring and maintaining DNS, NIS, NIS+, NFS, DHCP, TCP/IP.
• Developed Web Services with Python programming language.
• Coordinated different teams across the projects to Deploy different builds to different environments on parallel development for multiple projects.
• Worked with different Bug Tracking Tools like Remedy, Jira and Clear Quest.
• Created CM Plans and Test Plans for Applications.
• Configuration of Nagiosmonitoring tool.
• HP Service Management System Ticketing Tool was used for Production Releases.

TECHNICAL SKILLS:

Operating System: UNIX, Linux, iOS, Windows NT/2000/2003/XP/Vista/2007, RHEL.

Application Servers: WebLogic, WebSphere, JBoss, Tomcat, IIS.

Build Tools/ DevOps: Jenkins, Puppet, Chef, Ansible, Ant, Maven, Perl, HUDSON, ANTHILL, PROBAMBOO, JIRA, AWS, VM Ware, Terraform, Nagios, TFS, Docker, Vagrant.

Database: Oracle 10g and 9i, PL/SQL, SQL 2005 AND Enterprise.

Programming Languages: C, C#, Java, .Net, HTML, XML, Shell, Python, PowerShell, Ruby, PHP and Perl.

Database Management: MySQL, MS Access, Oracle9i/10g, SQL Server 2005, 2008.

SCM Tools: CVS, SVN, Clear Case, PVCS.

PROFESSIONAL EXPERIENCE:

Confidential, Georgetown, KY

DevOps/Red Hat Linux Engineer

Responsibilities:

• Worked and administered different Linux (Red Hat Linux)hosts.
• Developed different Puppet modules for configuration of different services over the environment.
• Maintained and administered Gerrit code review tool.
• Created Branches, Labels and performed Merges in Gerrit and GIT
• Developed Jenkinsmodule for performing various builds and create RPMs.
• Integrated Gerrit, GIT and Jenkins for code review, code merge.
• Worked in an agile development team to deliver an end to end CI/CD product in an open source environment using tools like Puppet&Jenkins.
• Written manifests and Ruby scripts to customize the Puppet as per our environment.
• Developed Splunk module to perform log monitoring of different service logs.
• Used Puppet to install different RPMs on various Red Hat Linux machines.
• Worked on developing couple of environments for QA testing and Devops testing which consists various Virtual Machines (VM) with RHEL.
• Used HIERA for value lookup over node and environment level.
• Troubleshooting different RHEL Linux VM with different services on it.
• Experience on working with Linux (RHEL 7).
• Configured and maintained various Red Hat Linux VMs.
• Experience troubleshooting various Linux servers on daily basis which has different applications running on them.
• Working with different teams for supporting their applications and services.
• Managed and administered Jenkins.
• Worked partly on Oracle12g puppet module and used Oracle DB for insertions, dumping and backing up of data for Gerrit service.
• Developed shell scripts for different uses over different services.
• Managed build results in Jenkins and deployed using workflows.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Experience with build tools Ant, Maven and Gradle for writing build.xmls, pom.xmls and build.gradles respectively.
• Helped to migrate to Nexus repository with Jetstream repository.
• Production experience in large environments using configuration management tool Puppet supporting with 100+ Red Hat Linuxservers and involved in developing manifests.
• Worked on creating Docker images, containers and registry.
• Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub.
• Created and modified existing Dockerfile.
• Experience working with Docker Swarm and Docker Compose.
• Modified DS Authentication RPM using GO language resolving IP Header issues.
• Experience on ruby scripting language.
• Good experience in writing UNIX scripts, Perl script, Maven and Ant.
• Experience in collecting metrics for Hadoop clusters using Ambari & Cloudera Manager.
• Installed and configured various components of Hadoop ecosystem and maintained their integrity
• Used ruby to create various templates in different puppet modules.
• Develop and implement an automated Linux infrastructure using Puppet.
• Wrote Puppet modules for installing and managing java versions.
• Developed Ansible playbooks to test connectivity, install rpm’s and for various other purposes across various Red Hat Linux machines.
• Integrated GIT into Jenkins to automate the code check-out process.
• Experience working in Agile Sprint management.
• Experienced in implementing Splunk, Puppet, and DevOps.
• Worked on load balancing for configurations and setup VIP for various services which face internet.
• Handled authentication of users to various applications through DS Authentication.
• Developed various JSON files for passing values for creating environments and describing about the puppetmodules developed.
• Worked on Jenkins, GitHub, Puppet, Artifactory and all internal build systems
• Used Ant/Maven for building Java/J2EE Applications.
• Managed the Maven Repository using Nexus tool and used the same to share the snapshots and releases of internal projects.
• Involved in installing Puppet client on Red Hat servers for Automation purpose.
• Used scripting languages Ruby, Shell to develop various scripts.
• Developed Ruby and Shell scripts to automate build processes.
• Created various RPM for usage with various puppet modules while creating various Red HatLinuxVM’s.
• Developed build and Deployment Scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Configuration of RHEL and HP-UX LVM.
• Installed Ambari on existing Hadoop cluster.
• Managed SSL,TLS handshakes between different RHEL servers by generating certificates using openssl.
• Custom software migration support from HP-UX to RHEL.
• Regular patching schedule for HP-UX and Solaris operating systems
• Worked on load balancers for both Linux environments
• Configured Jenkins master slave configuration such that slave performs build jobs while master take care of the request handling.
• Configured Gerrit master slave configuration so that Gerrit can have backup of slave when master goes down.
• Modified various HTML and CSS scripts.

Environment: Linux (RHEL), Unix, Puppet, Jenkins, Maven, GIT, Gerrit, Splunk, Docker, Apache, Ruby, Shell, Json, Yml, Ansible, HTML, CSS

Confidential, Sunnyvale, CA

DevOps/Linux Engineer

Responsibilities:

• Experience working with various Linux machines with Red Hat and CentOS flavor.
• Administered user management for various users across environment.
• Handled various storage requests for creating various LVMs across environment in Red Hat Linux machines.
• Created and maintained various shell scripts on different Linux servers.
• Having good hands on experience in building RPM's and compiling the Linux kernel for different builds.
• Developed processes, tools, automation for Jenkins based software for build system and delivering SW Builds.
• Managed build results in Udeploy and deployed using workflows in Udeploy.
• Maintain and track inventory using Udeploy and set alerts when the servers are full and need attention.
• Installation and Configuration and Testing of Team Foundation Server (TFS) .
• Developed processes, tools, automation for TFS (Team Foundation System) based software for build system and delivering SW Builds.
• Installed new TFS / Visual Studio updates whenever updates are available.
• Proposed and implemented branching strategy suitable for agile development in Subversion.
• Installed and configured Jenkins for Automating Deployments and providing an automation solution.
• Wrote Maven Scripts to automate the build process.
• Written manifests/Recipes and Ruby scripts to customize the Puppet/Chef as per our environment.
• Setting up client server model of Chef in development environment of OCI.
• Create Roles for deployment of Infrastructure using Opscode Chef.
• Have worked with the Yum for RHEL for upgrading the Linux machines.
• Involved in design, development and implementation of Hadoop POC to transition one of the complicated and vast on-premises data warehouse project to AWS Web Services.
• Installed Ambari on existing Hadoop cluster.
• Maintained, structured, and surveyed documents within the NoSQL MongoDB database; ensuring data integrity, correcting anomalies, and increasing the overall maintainability of the database.
• Install, configure, upgrade, monitor, maintain and manage multiple MySQL databases.
• Install, Configure, maintain and monitor MySQL replication.
• Optimized MySQL queries and troubleshoot performance issues to ensure efficient server performance.
• Composed and executed MongoDB scripts to insert and update NoSQL database; automating data changes and reporting.
• Completed daily zookeeper reports, work orders and maintenance requests
• Proficiency in developing client/server and web applications in the .Net Framework utilizing C#.Net and ASP.NET.
• Create an Azure Web Site and publish an existing ASP.NET web application to the site. Create an Azure SQL server and database.
• Create a Virtual Machine using the existing SQL template and connect this Virtual Machine to the existing application.
• Played the Scrum roles of Product Owner and Dev Team within the Azure release process consisting of monthly sprints.
• Created automated PowerShell scripts for web app deployment in azure.
• Using ANT, Puppet/ Chef Scripts to build the application and deploy.
• Manage deployment automation using Puppet, Hiera, Custom Puppet modules, in Ruby.
• Deployed a centralized log management system and integrated into Chef to be used by developers.
• Experience in Puppet Master and Client installation and configuration
• Build and Configure new TFS Dev and Test environment.
• Migrated HP-UX 11i physical servers to HPVM virtual machines
• Remote support for HP-UX 11i v3 Integrity servers
• Write CFEngine policies to implement operational and security configuration management policies Develop AWS Cloud Formation templates (in JSON) to automate infrastructure deployments on the go.
• Utilized Red Hat Satellite Server for kickstarting VMware virtual servers with the Red hat RHEL 5/6 OS Versions.
• Implemented systems automation using CFEngine.
• Used AWS to create S3 buckets to store data.
• Worked on AWS EC2, IAM, S3, EBS, Elastic Load balancer (ELB), auto scaling group services.
• Responsible for distributed applications across hybrid AWS and physical data centers.
• Estimating AWS usage costs and identifying operational cost control mechanisms.
• Build customized AWS Infrastructure for various applications from scratch (EC2, RDS, Security Groups, VPCs, public/private subnets, ELB, Auto scaling, roles, policies etc.) and establish connectivity between various AWS resources.
• Creating the LinuxAMI's for dev, test, staging and production.
• Responsible for operations of monitoring servers (CentOS, RHEL), managed by Puppet.
• Deployed Puppet, Puppet dashboard for configuration management to existing infrastructure.
• Developed Puppet Modules for installation & Auto healing of various tools.
• Developed automation scripting in Python (core) and used Puppet to deploy and manage Java applications across RHEL Linux servers.
• Architected server firewall rules (checkpoint) necessary for DMZ EXTRANET server communication with Red Hat Satellite Server, Data Protector software packages inside corporate firewall.
• Developed build and Deployment Scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Worked with systems engineering team to plan and deploy new hadoop environments and expand existing hadoop clusters.
• Using and configuring Red Hat Satellite server, Yum repositories and Troubleshooting activities.
• Used ruby to manage different templates in puppet modules.
• Experience in developingPython, PowerShell, Perl and shell scripts for deployment process.
• Experience in developing puppet modules (blue prints) for installation, configuration and continuous integration (CI) using combination of puppet master, git, Vagrant and Jenkins.
• Created different Docker container images for full stack implementation.
• Experience deploying and maintaining multi-container applications through Docker.
• Developed Ansible playbooks to provision a fully scaled out cloud at Amazon as well as deploy Rails and Python applications.
• Installed, Deployed and maintenance of Enterprise Applications on Tomcat.
• Administered and configured WebLogic 6.1/8.1 server, Tomcat 6.x on Solaris 10, Linux.
• Experience with RHEL Linux systems, virtualization in a large­scale environment, experience with Linux Containers (LXC) and Docker.
• Responsible for build and deployment automation using VM Ware ESX, Docker containers, Vagrant and Chef.
• Automated the build and deployment process using Hudson/ Maven and Ant and maintaining the Maven central repository.
• Wrote Ansible Playbooks with PythonSSH as the Wrapper to Manage Configurations of open stack Nodes and Test Playbooks on AWS instances using Python.
• Experience in scripting languages Ruby, Shell and Python.
• Developed and maintained continuous integration and deployment systems using Jenkins, Ansible.
• Configured and maintained the Shell/ruby deployment scripts for Web logic and UNIX servers
• Experience in applying patches and plug-ins for Jboss Application Server.
• Writing chef recipes for various applications and deploying them in AWSusing Terraform .
• Support and detailed troubleshooting of Linux in a 24 x 7 Environment.
• Created virtual servers using vagrant and bootstrapped it to chef.
• Used Jenkins for automating Builds and Automating Deployments
• Configuration Management using Subversion (SVN) and maintaining admin related files.
• Migrated Projects from SVN to GIT.
• Very strong Project Management experience performing ITIL RM /SCM activities.

Environment: Solaris, Linux, Eclipse, C#, Java, SVN, Perl, Ruby, PHP, Jenkins, Maven, Chef, Ansible, GIT, AWS, Terraform, TFS, Docker, Nagios, Apache,HP-UX, CFEngine, Ant, JIRA, .NET, IIS, Clear Case 6.0, Clear Quest 2003, Bash, PowerShell, NT Command Shell

Confidential, Woodcliff Lake, NJ

Devops/ Build & Release Engineer

Responsibilities:

• Installation, Configuration and Upgrade of RHEL 5.x,6.x OS.
• Installed and configured Udeploy for Automating Deployments and providing a complete automation solution.
• Integrated Subversion into Udeploy to automate the code check-out process
• Maintained and administered GIT source code tool.
• Architected and implemented automated cloud infrastructure using Chef.
• Worked on Cloud solution architecture on AWS.
• Datacenter migration to Amazon Web Services (AWS) infrastructure and provided initial support to Applications and Database teams.
• Configured kickstart server and updating/applying patches to the servers using Red Hat Satellite server.
• Subscribing the Linux servers with REDHAT Satellite Network.
• Experience in Package Management using RPM/YUM/apt-get and Red Hat Satellite server.
• Maintained and developed infrastructure using Chef, Jenkins, and multiple AWS tools.
• Performed the automation using Chef Configuration management and managing the infrastructure environment with Puppet.
• Lead automation efforts that supported CI/CD for IAAS across multiple teams.
• Maintain and track inventory using Udeployand set alerts when the servers are full and need attention.
• Provided UNIX support for Itanium-based Integrity HP-UX servers (rx4640)
• Responsible for writing Perl Scripts for Build & Release as and when necessary.
• Responsible for setting up local development environments using Vagrant/Chef.
• Developed chef cookbooks using ruby for configuration management.
• Written multiple cookbooks in Chef. Implemented environments, roles, data bags in Chef for better environment management.
• Responsible for large-scale Puppet implementation and maintenance. Puppet manifests creation, testing and implementation.
• Setup puppet master, client and wrote scripts to deploy applications on Dev, QA, production environment.
• Installation, Configuration and Maintenance of Tomcat 5.x on Linux, Solaris platform.
• Automated provisioning and scaling of Couch base cluster using AWS Ops Works stacks.
• Implementation of AWS lambda while code supplied in python.
• Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS Cloud Watch.
• Experience in JIRA to capture, organize and prioritize issues. Experience in partially administering JIRA for issue management
• Developed Shell/Python/Perl/Ruby Scripts for automation purpose.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Developed and maintained continuous integration and deployment systems using Jenkins, Ansible.
• Hands on experience in data processing automation using python.
• Used Hudson/Jenkins for automating Builds and Automating Deployments
• Used various plug-ins to extend the functionality of Hudson/Jenkins to deploy, integrate tests and display reports
• Managed the Release Communication and Co-ordination Process.
• Involved in installing Puppet client on Red Hat & Solaris servers for Automation purpose.
• Maintained the Shell and Perl scripts for the automation purposes.

Environment: Windows Servers, Solaris, UNIX, C#, Java, .Net, Eclipse 3.20, Ant, Jenkins, Ansible, Puppet, Chef, Ruby, Azure, GIT, JBoss Application Server, WebLogic, AWS, CVS, Subversion, Jira and Cygwin.

Confidential, Tampa, FL

DevOps/Build Release Engineer

Responsibilities:

• Involved in defining documenting and maintaining code deployment pilot automation project documents
• Performed testing and validation for code deployment automation in UAT test environment
• Integrated Service now to RLM tool to automate the approval process
• Installed and configured Anthill Pro for Automating Deployments and providing a complete automation solution.
• Created continuous integration system using Ant, Jenkins, Puppet full automation, ContinuousIntegration, faster and flawless deployments.
• Managing Linux infrastructure using single, integrated tools for efficiency, speed such as Puppet/CFengine
• Used Puppet server and workstation to manage and configure nodes.
• Worked on Version Control Systems like Rational Clear Case, Unified Configuration Management
• Worked with Atlassian tools like Bamboo &Jira.
• Utilized Red Hat Satellite Server for kickstarting VMware virtual servers with the Red hat RHEL 5/6 OS Versions.
• Automated system configuration and management of 70+ RHEL, CentOS, and Debian servers using CFEngine.
• Optimization / cost reduction of Amazon AWS services (EC2, S3, EBS, ROUTE53, SES, and VPC).
• Automate provisioning of Amazon AWS instances
• Wrote Lambda functions in python for AWS's Lambda which invokes python scripts to perform various transformations and analytics on large data sets in EMR clusters.
• Utilized knowledge of Red Hat Satellite Server to kickstart server builds in an ESX VMware environment.
• Configured kick-start server and updating/applying patches to the servers using Red Hat Satellite server.
• Deployed Red Hat Satellite Server with custom repositories to provide a stable management solution for Linux environment.
• Created TFS 2013 Development and TFS 2013 QA Environments for internal testing
• Setup various Team Projects into different Team Project Collections in TFS2010.
• Developed Ansible playbooks for Splunk in cloud environments with auto scaling for task force initiatives requiring big data analysis.
• Perform maintenance, monitoring, deployments, and upgrades across infrastructure that supports all our Hadoop clusters.
• Managed Hadoop clusters: setup, install, monitor, maintain.
• Maintained consistency, scalability using Puppet & CFengine across several hundreds of servers.
• Developed and maintained Ruby scripts.
• Designed, built, and used PowerShell scripts for Active Directory (AD).
• Adapted to enterprise environment security in order to provide ongoing support for PowerShell.
• Installation, Configuration and Upgrade of RHEL 5.x to 6.x.
• Developed json templates for cloud formation and ruby scripts for chef automation and contributing to our repository on github (sub version control).
• Experience in working with the Columnar NoSQL Database like Cassandra.
• DevOps for loadbalanced environments & Multi-regional server environments (AWS Regional nodes managed via Chef Roles and Ohai Attributes).
• Used AGILE MVN method to develop a build and also ANT as a build tool.
• Used Build Forge and Jenkins for enterprise scale infrastructure configuration and application deployments.
• Developed Ruby and Shell scripts to automate build processes
• Configured high availability solution such as MySQL replication and clustering.
• Performed migration of chef 10 to chef 11.
• Experience with orchestration template technologies such as, AWS Cloud Formation, OpsWorks.
• Configure High availability of AWS Infrastructure and tested this in QA environment and upon signoff from QA team implemented in higher environments.
• Technical Approach (Architecture and Design) and Azure solution implementation
• Azure infrastructure management & PaaS Solution Architect.
• Deployed Dynamic content to Web Sphere Application server.
• Used .NET for building various applications.
• Experience in debugging the code deployment errors with the help of development team
• Script writing by using Shell (Korn& Bourne) and knowledge skills in ANT and Perl.
• Written Chef Recipes to automate our build/deployment process and do an overall process improvement to any manual processes.
• Experience in building SILVERLIGHT 3.0 applications using .NET.
• Create and modified MySQLPython Scripts.
• Created Continuous Build Process using Hudson/Jenkins as Continuous integration tool.
• Drove releases, automated release process
• Work with Docker for convenient environment setup the test environments.
• Used configuration management tools Chef, Puppet, and CF Engine
• Proposed branching strategy suitable for current application in Subversion.
• Managed the Release Communication and Co-ordination Process.

Environment: Windows Server, Linux, Eclipse, C#, .NET, Perl, Chef, Ansible, Puppet, Jenkins, PHP, Ruby, JIRA, GIT, AWS, Azure, Docker, Vagrant, CFEngine, SVN, TFS, Ant, Clear Case 6.0, Clear Quest 2003, Bash, PowerShell, NT Command Shell