SUMMARY

• Around 8 years of experience as DevOps, Build and Release Engineer in solving complex problems with creative solutions, supporting development, deployment operations in different environments.
• Develop, enhance and maintain the build, deployment and configurations for continuous integration and automate regression and automate testing.
• Expertise in version control tools like Git.
• Expertise on virtualization technologies like Virtual Box, VMware.
• Good at scripting languages like Bash, Python, Ruby, Perl.
• Strong proficiency in supporting cloud environments (AWS)
• Experience with AWS like EC2, ELB, IAM, VPC, Cloud Formation, Cloud Front, Security Groups, Auto Scaling, and RDS.
• Design AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• 3 years in Design highly available, cost effective and fault tolerant systems using multiple EC2 instances, Auto Scaling, Elastic Load Balance and AMIs.
• Design roles and groups for users and resources using AWS Identity Access Management (IAM).
• Manage network security using Security Groups, and IAM.
• Hands on experience with configuration management tools like puppet.
• Installed and configured automated tool puppet that included the installation and configuration of the puppet master, agent nodes and an admin control workstation.
• Developed puppet manifests to manage system configuration.
• Good exposure of containers like Docker.
• Involved in development of test environment on Docker containers and configuring the Docker containers using kubernetes.
• Design CI/CD processes in the context of a Jenkins orchestration, including the usage of automated build, and deployment tools.
• Implemented Jenkins workflow and plugins for repeatable deployments of multi - tier applications, artifacts and services to Docker and AWS.
• Configure jobs and pipelines using Jenkins and troubleshoot problems arising from Build and Test failures.
• Experience in using Maven and Ant as build tools for building of deployable artifacts from source code.
• Proficient in deploying applications in WAR, JAR and EAR formats using build tools Ant and Maven.
• Worked on web servers like Apache Tomcat, Nginx to deploy code.
• Experience in using bug ticketing tools like JIRA.
• Expertise in log analysis usingELKstack.
• Experience in using version control systems like Subversion (SVN) and different flavors of GIT.
• Strong knowledge on source control concepts like Branches, Merges, and Tags.
• Experience with Active Directory, LDAP, OAuth, SAML, single sign on (SSO) authentication technologies.
• Experience in System Administration on various platforms which includes Redhat Linux, CentOS, Windows environments.
• Expertise in troubleshooting the problems generated while building, deploying and in production support.

TECHNICAL SKILLS

Operating Systems: UNIX, Red Hat Linux, Oracle Enterprise Linux, Windows

Tools: Ansible, ELK, Docker, Jenkins, Jira, GIT, GitHub, BitBucket, Maven, Ant, Check MK, Docker

Database: My SQL, Postgres Sql, MongoDB

Application Server: Tomcat, WebLogic

Languages: Shell Scripting, Python, Perl, Batch

Could Technologies: AWS

Virtualization Technologies: Oracle Virtual Box, Vagrant and VMware

PROFESSIONAL EXPERIENCE

Confidential - Santa Ana, CA

DevOps Engineer

Responsibilities:

• Involved in DevOps automation processes for build and deploy systems for legacy and micro services projects.
• Migrated entire project repo stack from SVN to Git Stash.
• Implementing new projects builds framework using Jenkins & Maven as build framework tools.
• Integrated Sonarqube with Jenkins for continuous inspection of code quality and analysis with sonarqube scanner for Maven.
• Integrated Jacoco with Jenkins for code coverage analysis in Java VM based environments.
• Implemented a CI/CD pipeline using Jenkins, Ansible, and Maven in Linux environment.
• Developed continuous delivery product release pipelines, using tools such as Rundeck, Jenkins, and enable release and operations automation using Ansible.
• Worked on micro services project- to build docker containers and deploy to Dev, iTest, Scale, UAT (SIT), PROD.
• Implemented CI/CD for all the micro services of the OEM application using Jenkins, Maven and Ansible.
• Worked on Ansible playbooks, roles, include statements, vars, modules, check mode (dry run).
• Worked AWS stack - AMI management, auto scaling, Elastic Load balancing, Auto Scaling, Cloud watch, EBS, EC2, IAM, Route53, S3, VPC. EC2 container service, RDS, Cloud Formation,
• Deployed, scaled and managed AWS services using Ansible playbooks.
• Provisioned EC2 instances, configured auto scaling and defining cloud formation JSON templates using Ansible modules.
• Worked to setup Jenkins as a service inside the docker swarm cluster to reduce the failover downtime to minutes and to automate the docker containers deployment without using configuration management tool.
• Implemented docker-maven-plugin in maven pom to build docker images for all microservices and later used Docker file to build the docker images from the java jar files.
• Created Docker container using Docker images to test the application
• Implemented build stage- to build the micro service and push the docker container image to the private docker registry.
• Worked on end to end setup of the artifactory pro as a docker container with a secure private docker registry and local docker repositories for storing the built docker images.
• Managed environments DEV, SIT, QA, UAT and PROD for various releases and designed instance strategies.
• Worked on Ansible playbooks to automate the installation of docker-engine, docker swarm cluster.
• Worked on deployment automation of all the micro services to pull image from the private docker registry and deploy to docker swarm cluster using Ansible.
• Worked on Ansible roles to pull the latest successful image from the docker repository through JSON API.
• Worked on building custom python modules.
• Worked on Ansible modules to deploy docker services on the swarm cluster for the entire micro services stack.
• Worked on Docker compose to schedule multiple containers and written compose.yml files to configure and scale multiple application services.
• Worked on Docker swarm mode with docker engine v1.12.5 to bootstrap the manager and worker nodes using swarm join tokens.
• Worked on Consul and etcd as the hosted discovery service within the swarm cluster.
• Worked on Docker service rolling updates to implement zero downtime PROD deployments.
• Worked on Docker machine to install docker-engine on managed virtual hosts in the data center.
• Worked on Docker Kitematic to build and run containers on the local environment.
• Integrated manomarks docker-swarm Visualizer to the swarm cluster.
• Worked on shell scripts to integrate Prometheus, AlertManager, Grafana, Node Explorer, cAdvisor to monitor the docker swarm cluster metrics from host to container level.
• Used Rexray as storage orchestration engine with storage platforms ScaleIO and Ceph to provide persistent storage for the docker containers.
• Worked on Splunk logging driver to send the container logs to http event collector in Splunk Enterprise.
• Worked on git2consul to mirror a configuration file sitting in git repo to Consul KV store and to make this config file available to docker containers during deployment.
• Migrated Mesos/Marathon to docker swarm for the micro services project.
• Worked on MAAS for cloud like provisioning for bare metal physical servers and REST API, Web UI and command line client setup.
• Worked on Zero-touch deployment of Ubuntu, RHEL servers and open-source IP address Management (IPAM).
• Worked on server management tool Landscape to deploy, monitor and manage Ubuntu servers.
• Worked on Gitlab CI runner for the infrastructure provisioning on micro services project.

Environment: Subversion, GIT STASH, Jenkins, Gitlab CI runner, ANSIBLE, JIRA, Maven, AWS, Python, Ruby, UNIX, Shell Scripting, Docker Swarm, ELK, Mesos/Marathon, Zabbix, Splunk.

Confidential - Chicago, IL

DevOps Engineer

Responsibilities:

• DevOps Engineer for a team that involved different development teams and multiple simultaneous software releases and implemented Continuous Integration Process.
• Participated in weekly release meetings with Technology stakeholders to identify and mitigate potential risks associated with the releases and private networks.
• Setting up and administering DNS system in AWS using Route53.
• Implemented a Continuous Delivery framework using Jenkins, Chef, Maven & Nexus in Linux environment
• Worked with the retail team to initiate the Bamboo GO-CD migration for AOS environments.
• Trained various users on use of Stash and GIT repositories.
• Implemented Chef to deploy the builds for Dev, QA and production
• WrittenCookbooks for nginx, weblogic, and apache tomcat.
• UsedChefto configure and manage infrastructure. WroteCookbooksto automate the configuration setups.
• EstablishedChefBest practices approaches to system deployment with tools with vagrant and managingChefCookbooksas a unit of software deployment and independently version controlled.
• Managing users and groups using the Amazon identity and access management (IAM).
• Created and managed cloud VMs withAWS EC2 command line clients and AWSmanagement console.
• Experience in Amazon AWS Cloud Administration services. Creation of S3 buckets.
• Imported and managed multiple corporate applications into Subversion (SVN) and GIT.
• Test the cloud service project locally, using theAzurestorage emulator
• Development, Quality Assurance and Management teams to ensure cross communication and confirmed approval of all production changes
• Experienced in setting up Continuous Integration environment using Jenkins.
• Installing RedHat Linux using kickstart and applyingsecuritypolices forhardeningthe server based on the company policies.
• Build and released of cloud-based products containing Linux and Windows environments, using Power Shell, TFS and Python Scripting
• Scripting of administration tasks using command line (CLI Power Shell, ShellScripting, Ruby etc.
• Used the continuous integration tool Jenkins to automate the daily processes.
• Build and Deployed Java/J2EE to a web application server in an Agile continuous integration environment and also automated the whole process.
• Developed Perl and shell scripts for automation of the build and release process.
• Involved in editing the existing ANT/MAVEN files in case of errors or changes in the project requirements.
• Administered and supported GIT Hub Enterprise version control tool.
• Supported the process of configuration of web applications using Vagrant along with Puppet and Chef for provisioning.
• Extensively used VeritasClusterServer 4.x/5.x for High Availability Environment.
• Administered Puppet Enterprise to provision multi-platform virtual machine configurations across Sylvan Learning server infrastructure. Sylvan Learning Infrastructure consists on multiple-platform environment servers dedicated for building, deploying as well as for development, test and production systems.
• Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications.
• Built a load-balanced, version-controlled, Hiera/r10k-enabled Puppet environment.
• Wrote, maintained, reviewed and documented modules, manifests, Hierarch configurations and GIT repositories for Puppet Enterprise on RHEL and Windows platforms.
• Experience in Automation Engineer Using Python Scripting, Django,Django -Celery, Postgres SQL.
• Worked on creating multiple scripts for PythonDjangobased internal application.
• Created a custom puppet module skeleton to use same structure across all puppet modules.
• Implemented Puppet hierarch to separate data from puppet code.
• Improved the Configuration Management Infrastructure using distributed Team City Agents, GIT. The new infrastructure has reduced the build and deployment times by 80% since every build is running on a specific virtual machine. Every Team City agent virtual machine can be reproduced using Puppet deployments.
• Administration of DevOps tools suite: Puppet Enterprise, AWS, Teamcity, GitHub, JIRA, Confluence, Rundeck, Puppet, Octopus Deploy, Splunk and ELK stack.

Environment: GIT, SVN, GIT, Jenkins, AWS, Chef, Puppet, Django, python, Power Shell, Vagrant, Splunk. ELK, Team City, Rundeck, Stash, Redhat Linux, Maven and Go-CD.

Confidential - Malvern, PA

Build and Release Engineer

Responsibilities:

• Release Engineer for a team that involved different development teams and multiple simultaneous software releases.
• Developed and implemented Software Release Management strategies for various applications according to the agile process.
• Automation Engineer for Developing Build and deploy tools like Jenkins.
• Used various Jenkins plugins like Git Plugin, cloud formation plugin, Puppet plugin, shared workspace plugin, parameterized build plugin etc.
• Created and maintained Python scripts for Automating Build and Deployment Process and Creating Web Based Application by Using Django Framework.
• Responsible for OpenStack project core infrastructure including code review, continuous integration systems, and deployment tools.
• Imported and managed multiple corporate applications into GIT.
• Provided end-users training for all Tortoise SVN, Atlassian JIRA users to effectively use the tool.
• Build scripts using ANT and MAVEN build tools in Jenkins to move from one environment to other environments.
• Developed Perl and shell scripts for automation of the build and release process.
• Involved in editing the existing ANT/MAVEN files in case of errors changes in the project requirements.
• Managed Maven project dependencies by creating parent-child relationships between Projects.
• Jenkins is used as a continuous integration tool for automation of daily process.
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Deployed mcollective for orchestration. Wrote custom mcollective plugins to deal specifically with our needs.
• Designing and implementing fully automated server build management, monitoring and deployment By Using Technologies like Puppet.
• Storing Build & Deploy Logs and Data in Postgres SQL Server. Converting Puppet Work flow into Python.
• Creating, cloning Linux Virtual Machines, templates using VMware workstation and ESXi environment.
• Installing and configuring Red Hat Enterprise Linux 5, 6.1 using kick start servers and virtual.
• Development, Quality Assurance and Management teams to ensure cross communication and confirmed approval of all production changes.
• Deployed J2EE applications to Application servers in an Agile continuous integration environment and automated the whole process. Created and maintained the python deployment scripts for Web Sphere web application.
• Getting the updated news on the fixes from QA and letting customers know about the fix description
• Attending support status calls with customers on weekly basis and discussing their priorities
• Participating in 24x7-production on-call support of Linux and provided technical support to users.

Environment: Java/J2EE, Tortoise SVN, Jenkins, OpenStack, Puppet, ANT, MAVEN, GIT, Web Sphere, Perl Scripts, Shell Scripts, XML, LINUX, UNIX, Oracle10g/11g, JIRA, Python Scripting, Django, Django-celery.

Confidential - Denver, CO

System Administration

Responsibilities:

• Upgrade and configure system software that supports testing infrastructure per project or operational needs.
• Maintain, update, and operate servers and application and virtualization software.
• Monitors operations, disk usage, performs system tuning, backups, and makes recommendations for improvements.
• Expertise in installing, configuring, and maintaining services such as Apache, Tomcat, Nginx.
• Expertise in Linux scripting languages.
• Ability to build and monitor services on production servers.
• Develop and maintain configuration management solutions.
• Add, delete and change privileges for users in various applications as well as investigate and resolve user access issues.
• Responsible and lead the team in complete Software Development Life Cycle (SDLC) tasks - design, coding,testing, and documentation using Rational Unified Process (RUP) for analysis and design of application.
• Involved in the development of business module applications using J2EE technologies like Servlets, JSP and JDBC.
• Designed and developed the web-tier using JSP's, Servlets and Tiles framework.
• Implemented security for different front-end views based on the access privileges.
• Experienced in deploying J2EE applications on Apache Tomcat web server and WebLogic, WebSphere, JBOSSapplication server.
• Worked with SQL, MySQL and MS Access databases and Object-Relational Mapping (ORM) frameworks to import and export data, manipulate and store data, and remove corrupted data.
• Developed PL\SQL scripts to execute the Java process and Test the application.
• Expertise with Servers Apache Tomcat, JBoss and WebLogic.
• Extensive knowledge on web services like SOAP and RESTful.
• Performed unit testing in Java Platform using test scripts and automated testing using Test Framework.
• Building, installing and upgrading company software as well as necessary supporting frameworks.
• Perform system administrative tasks that allow customers to use software more securely and effectively.
• Respond to inquiries from project teams and provide technical support.
• Build reporting tools to make activities in software more visible to different groups.
• Testing and troubleshooting existing software, recommend program improvements or revisions.
• Developed business applications using web technologies like HTML, CSS and JavaScript based on W3C Standards.
• Proficient in programming JavaScript data capture and event handling methods via the DOM event model

Environment: Linux, VMware, Vagrant, Shell Scripting, Apache Tomcat, Nginx.

Confidential

System Administration

Responsibilities:

• Provide hands-on troubleshooting and administration as required for all Linux servers, encompassing development, integration, staging, Disaster Recovery and production.
• Install and configure servers in a physical and virtual environment.
• Installed Linux on VMware using virtual client Infrastructure console.
• Worked on disk and file system management through Logical Volume Manager (LVM) on Linux.
• Setting up cron schedules for backups and monitoring the production servers using Nagios.
• Provide support for new applications and upgrades to existing systems.
• Design solutions to technical problems and implementation of new systems or infrastructure.
• Provide written status reports to management.
• Work hands-on with enterprise firewalls, security appliances, switches.
• Part of on call rotation and respond to alerts and notifications promptly.

Environment: Linux, Vagrant, VMware, shell scripting, Python, Ant, Maven, cron.