Sr. Devops Engineer / Build & Release Engineer. Resume
SUMMARY:
- 10 years of experience in Configuration Management, Build and Release management involving extensive work towards code compilation, packaging, building, debugging, automating, managing and deploying code across multiple environments.
- In - depth understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, SCRUM, Waterfall methodologies.
- Experience in working on version control systems like Subversion, and GIT and used Source code management client tools like GitBash, GitHub, Git GUI and other command line applications etc.
- Extensive experience using MAVEN, ANT and Xcode as build tools for the building of deployable artifacts from source code.
- Expert in implementing continuous integration and deployment systems using Jenkins, Maven, Nexus, Ansible and Rundeck.
- Experienced in Querying RDBMS such as Oracle, MY SQL and SQL Server by using SQL for data integrity.
- Managed environments DEV, QA, UAT and PROD for various releases and designed instance strategies.
- Extremely knowledge about Cl/CIT/CID integration.
- Established Chef Best practices approaches to systems deployment with tools such as vagrant, berkshelf and test-kitchen and the treatment of each Chef cookbook as a unit of software deployment, independently version controlled.
- Experienced in Writing Chef Recipes to automate our build/deployment process and do an overall process improvement to any manual processes.
- Managed Ubuntu Linux and Windows virtual servers (Rackspace and AWS EC2) with Chef using Git.
- Expertise in Querying RDBMS such as Oracle and MYSQL by using SQL for Data Integrity.
- Extensively worked on Hudson, Jenkins and Anthill Pro for continuous integration (Cl) and for End- to-End automation for all build and deployments.
- Ability in execution of XML, Ant Scripts, Ruby, Shell Scripts, Perl Scripts, Power Shell scripts and JAVA Scripts.
- Experience in Deploying JBoss, Apache Tomcat web server, IIS Server, Oracle web logic, and IBM WebSphere.
- Experience in working with Tracking Tools like JIRA, Red Mine, and Bugzilla
- Knowledge of using Routed Protocols: FTP, SFTP, SSH, HTTP, HTTPS and Connect direct.
- Having work experience in support of multi platforms like UNIX, Ubuntu, RHEL, Fedora, iOS and Windows 98/NT/XP/Vista/7/8 of production, test and development servers.
- Having Good Knowledge of Amazon AWS cloud.
- Experience with configuration management and automation tools (Puppet/Chef/Docker).
- Knowledge on Deploying Couchbase, Tomcat and Elasticsearch clusters using Docker.
- Midlevel expertise in Ruby, PERL CGI, Web development and basic understanding in SQL and Python. Experience in working with Tracking Tools HP Service Center, JIRA.
TECHNICAL SKILLS:
SCM Tool: Subversion, GIT, Perforce, Clear case
Build Tool: Ant, Maven
Cl tools: Jenkins/Hudson, Capistrano, Anthill Pro, Ansible, Bamboo, U Deploy, X Deploy
Bug tracker & Testing: JIRA, Bugzilla, Redmine, Junit, Spock, Test Flight, Test Rail
Project Management: Base Camp, MS Project, Atlassian Tools, Demandware
Repositories: Nexus, Artifactory
Web Service Tools: JBOSS, Apache Tomcat, IntelliJ IDEA, Oracle Web logic, IBM Web sphere, IIS Server
Languages/Utilities: Tibco, Shell Script, ANT Script, Batch Script, Perl Script, Ruby, Power Shell Script, C, C++, Objective C, Python, Java, J2EE
Databases /Data warehouse: SQL Server 2000/2005/2008 , Oracle, DB2, Teradata, ETL
Monitoring tools: Splunk, Dynatrace
Operating Systems: UNIX, Linux (red hat), Ubuntu, Fedora, Windows 98/NT/XP/Vista/7/8, IOS
PROFESSIONAL EXPERIENCE:
Confidential
Sr. DevOps Engineer/Build & Release Engineer
Responsibilities:
- Troubleshoot Build and Deploy Issues, with little downtime.
- Organize and Co-ordinate Product Releases, work closely with product development, QA, Support across global locations to ensure successful releases
- Implemented rapid-provisioning and life cycle management for Ubuntu Linux using, Chef and custom Ruby/Bash scripts.
- Worked on Managing the Private Cloud Environment using Chef.
- Implemented and maintained the continuous integration and deployment systems using Jenkins, Maven, Nexus, Ansible and Rundeck.
- Experience on Config mgmt. & infrastructure automation tools like Ansible, Chef, Saltstack, and CFEngine etc.
- Implemented services that would route messages to different JMS queues based on message properties. These messages would be picked up by the appropriate ESB service which would in turn call the third party partner web services
- Configure firewall rules to control network access to the data warehouse clusters. Created data- models for customer data using the Cassandra Query Language
- Created User defined types to store specialized data structures in Cassandra.
- Installed and configured code rules, keys of Sonar for code analysis and created of Sonar Qube dashboards for different team members based on their roles to monitor the progress of project source code.
- Led "Continuous Delivery" project, streamlining Dev workflow, integrating automated QE validation, and delivering standardized releases based on Docker to Operations for deployment.
- Experimented with Docker, by using Docker-compose.
- Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Chef.
- Worked on bug fixing using tools like BitBucket.
- Deployed Applications into PROD & Pre-Prod environments with various Application server technologies like WebLogic, JBOSS & Apache Tomcat.
- Developed automation framework for Application Deployments to the cloud environments
- Managed and optimize the Continuous Delivery tools like Jenkins
- Install, Configure, Administer Hudson/Jenkins Continuous Integration Tool
- Automate Continuous Build and Deploy Scripts for Hudson/Jenkins Continuous Integration tool
- Branching, Tagging, Release Activities on Version Control Tools: SVN, GIT
- Develop Custom Scripts to monitor repositories, Server storage
- Worked closely with our San Francisco, San Diego and Tokyo cloud ops teams
- Automated the local dev. environment using Vagrant/chef-solo.
- Automated the cloud deployments using chef, python (boto & fabric) and AWS Cloud Formation Templates.
- Document release metrics, software configuration process.
Environment: Java, Eclipse, Toad, Git, Tomcat, Apache, Sonar, Data warehouse ETL, Ansible, Oracle 12c, Jenkins, Marathon, Python, Ruby Chef, JIRA, Maven, Art factory, Ubuntu, CentOS, Linux, AWS, AWS Cloud Formation Templates, AWS RDS, AWS Cloud Watch, Spock, Ruby, Chef-solo/ server
Confidential, Orange County, CA
Sr. DevOps / Release -Build Engineer
Responsibilities:
- Worked portal for triggering builds and releasing them to stakeholders by understanding the pain points of Developers and QA engineers.
- Maintained the FTP server in which the builds were copied.
- Experience in Build/Release Engineering Automation with Docker and Jenkins.
- Implemented Chef to deploy the builds for Dev, QA and production.
- Maintained and developed infrastructure using Chef, Jenkins, and multiple AWS tools.
- Worked on establishing a streamlined release process for the development team from scratch.
- Created release notes based on the contents of builds and publish build artifacts to the stakeholders.
- Refactored configuration (Puppet) and deployment (Capistrano) system to be 6x faster and allow fully automated releases.
- Continuous Integration: implemented and promoted use of Bamboo within the developer community. Validated Jenkins along with Bamboo.
- Developed scripts for executing validation/ test cases automatically after builds.
- Designed, Created and Managed Continuous Build and Continuous Integration environments in SCRUM and Agile projects, combining and automating tools like Cobertura, Selenium, XUnit and Web Driver with build processes to provide detailed Metrics and rapid feedback for development teams.
- Experience with Linux systems, virtualization in a largescale environment, experience with Linux Containers (LXC) and Docker.
- Hands on experience on Automation/Build such as Jenkins, JNLP Slave Nodes, Docker, Chef, Puppet, Nexus, Artifactory, and Bamboo.
- Managed central repositories: Implemented Atlassian Stash along with GIT to host GIT central repositories for source code across products, facilitate code reviews and login audits for Security Compliance. Developed and maintained in-house Code review system before migrating to the lightweight code review system available in Stash.
- Designed and implemented the backup strategy for all the critical systems such as build machines, bug tracking tools, central repositories etc.
Environment: Java, Eclipse, Tomcat, Apache, Oracle 11g, Jenkins, Python, Ruby JIRA, DWH ETL, Maven, Artifactory, Git, Ubuntu, Windows, AWS, Ruby, Chef, Windows.
Confidential - Los Angeles, CA
Build and 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.
- Created and maintained built wrapper scripts using PERL.
- Build Java code and .NET code on to different Jenkins servers as per the schedule.
- Migrating J2EE, PHP, .NET, and Cold Fusion applications to UNIX and Windows environments by configuring application via IDE Eclipse, Subversion, and AntHillPro.
- Configuring AntHillPro as a common build engine to build and promote applications to DEV, QMG, UAT, PROD, and DR to UNIX environments.
- Working closely with Web Administrators to setup an automated deployment for SharePoint applications using Anthill and SVN Tools.
- Maintained and executed build scripts by coordinating with development and QA teams.
- Create/Maintain custom-build scripts in Java/Perl. Develop Rational ClearQuest schemas and tailored the tools with custom Perl and VB Scripts.
- 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.
- Migrating J2EE, PHP, .NET, and Cold Fusion applications to UNIX and Windows environments by configuring application via IDE Eclipse, Subversion, and AntHillPro.
- 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.
Environment: Java, .Net, MYSQL, PHP, Ant, Jenkins, Web Logic, ClearQuest, AntHillPro, Subversion, XML, UNIX, VB & Python scripting, MS SharePoint 2010.
Confidential, Santa Clara, CA
Software Engineer (Release/ Build)
Responsibilities:
- Designed a CM solution that used Clear Case UCM integrated with Rational ClearQuest
- Perform administration of users, supported team for parallel development. Wrote Shell/Perl/Antfiles to automate certain processes for the smooth process of use of build tools like Build Forge.
- Analyze the impact of change requests on project plan parameters, and synchronized source code repositories as an active member of CCB.
- Participated in CCB meetings to represent the CM team.
- Installed, configured and maintained Clear Case and ClearQuest for SCM and Issue tracking.
- Extensively used Perl scripting to design customized triggers for the ClearQuest.
- Performed all formal builds to the system test, acceptance test and production environments that were written in Perl/ANT/Java.
- Participated in migration, from Base Clear Case to UCM Clear Case and even from CVS.
- Fixed migration problems by identifying view checkout from VOBs and solved the problem by writing scripts for views attached to the VOBs.
- Documentation of CM tasks using MS-Office, also documented for project configuration.
- Helped in deployment of Java applications with the installation and configuration of WebSphere server using ClearCase for source control.
- Installation and Configuration of Web Sphere software development environment (SDE) to automate build processes.
Environment: RationalClearCase, RationalClearQuest, UCM, S shell Scripts, Perl, ANT, CVS, UNIX,
Confidential
Linux Administrator
- Installation, configuration and administration of Redhat Linux servers and support for Servers.
- Installation, maintenance and regular upgrades of Redhat Linux Servers using Kickstart based network installation
- Provided 24x7 System Administration support for Redhat Linux 3.x, 4.x servers and resolved trouble tickets on shift rotation basis.
- Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
- Installation of patches and other software packages
- Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain,
- Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
- Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
- Installation and configuration of Oracle 7.x/8.x.
- Implemented NFS, DNS and NIS under SUN.
- Performed the administration of the Domain Name Server and configuration of the Database Files.
- Wrote bash shell scripts for getting information about various Linux servers.
- Performed OS upgrades and Patch loading as and when required.
- Backing up and restoring files across the network.
Environment: Redhat Linux 4.1,4.2,4.3,4.4, SunFire 4500/ V880 / V480/ E420R/ E450/ E250, Sun StorEdge A1000, A5000, JBODs Compaq servers, Solstice Disk Suite, Oracle 7.x/8.x