Vijay Shekar

DevOps Engineer

Professional Summary

·              8 years of experience as a Build and Release Engineer with DevOps Methodologies as primary focus on CI (Continuous Integration), CD (Continuous Delivery), Pipeline, Build and Deploy automation.

·              Very good understanding of DevOps concepts and a critical thinker of its different application areas.

·              Good experience in Software Product Development, Process Automation, Build and Deployment Automation, Release Management, Packaging Quality Control, Source Code repository & Environment management.

·              In-depth understanding of the principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.

·              Develop, enhance and maintain the build, deployment and configurations for continuous integration and automate regression and acceptance testing.

·              Automate the Build and deploy of all internal Java environments using various continuous integration tools and scripting languages.

·              Build clouds with AWS, AZURE and Rackspace.

·              Experience with Build Management tools like Ant and Maven along with ability to create, debug, diagnose and troubleshoot build scripts.

·              Experience in Linux/Unix environment (RHEL, CentOS, and Solaris).

·              Implemented Continuous Integration and deployment using various CI Tools like Jenkins, Hudson, Bamboo, Chef, Puppet and Sonatype Nexus.

·              Experience in working on source controller tools like GIT, GITHub, Subversion (SVN), TFS Microsoft Visual Studio and Perforce.

·              Experience in Issue Tracking tools JIRA, Remedy, Service Now and HP Quality Center

·              In-depth knowledge of computer applications and scripting like Shell, Python, Perl, Ruby and XML.

·              Expertise in Enterprise repository management tools like Nexus, Artifactory etc.

·              Maintained local team repositories and Organization's central repositories for Maven.

·              Supported Deployments into PROD & Pre-Prod environments with multiple Application server technologies like WebLogic, Jboss & Apache Tomcat.

·              Experience with Server Automation and Configuration Management Tools like Puppet, Ansible, and Chef.

·              Building and maintaining systems in Windows Azure for development and production systems. This applies to standard VMs as well as other Azure services.

·              Strong knowledge on source controller concepts like Branches, Merges and Tags.

·              Develop and configure of Continuous Integration (CI) scripts for releases and Enhancing/Maintaining to suite the request from teams across the organization.

·              Exposed to all aspects of software development life cycle (SDLC) such as Analysis, Planning, Developing, Testing and Implementing and Post-production analysis of the projects.

·              Worked in an agile development team to deliver an end to end continuous integration/continuous delivery product in an open source environment using tools like Chef and Jenkins.

·              Expertise in trouble shooting the problems generated while building, deploying and also in production support.

·              Experienced in supporting database systems including Oracle, MySQL on Linux/Unix, and Windows environment.

·              Experience in writing shell scripts to automate the administrative tasks and management using cron and at.

·              Team player with excellent interpersonal skills, self-motivated, dedicated and understanding the demands of system maintenance and has good customer support experience.

·              Managed environments DEV, SIT, QA, UAT and PROD for various releases and designed instance strategies.

Specialties:

•SCM process automation

•SCM strategy implementation

•Continuous Integration & Continuous Delivery implementation

•Release Process Implementation

•Deployment automation

•Evolving new technologies and methodologies to implement and streamline existing process

 

Technical Skills

Operating System	Windows, UNIX, LINUX, RHEL/CentOS 5.x/6.x/7,Mac OS
Versioning Tools	Subversion, Clear case, GIT
CI Tools	Jenkins, Bamboo, Hudson, Chef, Puppet, Ansible
Build Tools	ANT, MAVEN, Makefile
Bug Tracking Tools	JIRA, Rally, Remedy and IBM Clear Quest.
Languages	Java/J2EE , C, C++ and PL/SQL
Scripting	Shell scripting, Bash, Python, Ruby, Perl scripting.
Web Technologies	HTML, Java Script, XML, Servlets, JDBC, JSP.
Web/App servers	Apache Tomcat, JBOSS , Web logic, Web Sphere
Database	Oracle 9i/10g, SQL SERVER, MySQL.

 

Work Experience

Wellcare Tampa, FL                                                                                                   Nov’15-Present

Devops Engineer

Responsibilities:

·              Worked on installation, configuration and maintenance Debi an/Redhat, CentOS and Suse Servers at multiple Data Centers.

·              Automated the installation, deployment and maintenance of Middleware Application Servers to RHEL Development and Test Environments.

·              Developed screens using HTML5, CSS, JavaScript, JQuery and AJAX taking advantage of the framework AngularJS.

·              Maintained all security, policies and project aspects of entire code base using Team Foundation Server 2008 integrated functionality, TFS Power Tools, and Team Foundation Sidekicks

·              Designing and implementing for fully automated server build management, monitoring and deployment By Using DevOps Technologies like Chef.

·              Experience in AWS Ansible Python Script to generate inventory and push the deployment to. 

·              Managed the configurations of multiple servers using Ansible. 

·              Creating Amazon EC2 instances using command line calls and troubleshoot the most common problems with instances and monitor the health of Amazon EC2 instances and other AWS services.

·              Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Chef.

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

·              Installed and administered GIT source code tool and ensured the reliability of the application as well as designed the branching strategies for GIT.

·              Deployed and configured Git repositories with branching, forks, tagging, merge requests, and notifications.

·              Dealt with troubleshooting issues like Server hang, keep alive threads, HTTP threads, Application Deadlock, Perm Gen space, Out of Memory Issue, High memory usage and High CPU.

·              Converted and automated builds using Maven and Ant. Scheduled automated nightly builds using Jenkins.

·              Resolving merging issues during build and release by conducting meetings with developers and managers.

·              Involved in writing and editing the existing ANT (Build.XML) files in case of errors or changes in the project requirements.

·              Experience working with AWS Cloud computing and launching Instances and automation of administration roles.

Environment: AWS, Docker, TFS, Apache ANT, Apache Tomcat, Ansible, GIT, Maven, Jenkins, Shell, Bash, Ruby, Unix/Linux, Windows, Web Sphere, Chef, ActiveMQ, Oracle 11g, RDS, Nexus, sensu, Splunk, logstash, OneOps, RHEL 4/5/6, CentOS, Java J2EE, Jira.

Carters Atlanta, GA                                                                                                            May’14-Sep’15

Devops Engineer

Responsibilities:

·              Participated in weekly release meetings with Technology stakeholders to identify and mitigate potential risks associated with the releases.

·              Installing Red Hat Enterprise Linux 5.x/6.x, CentOS and installing packages, patches for Red Hat Linux servers, administrator of Red Hat Satellite Servers to avoid outage and developed strategies for enhanced system resource utilization.

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

·              Administration of RHEL 4, 5, 6 and Solaris 9, 10 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.

·              Experience in setting up Team Deploy for TFS to perform deployments as a post build task.

·              Coordinate/assist developers with establishing and applying appropriate branching, merging conventions using GIT source control.

·              Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing servers into VMware Infrastructure.

·              Installed/Configured/Managed Puppet Master/Agent. Wrote custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Up gradation or Migration of Puppet Community and Enterprise.

·              Implemented multi Node OpenStack KILO Architecture on KVM Using Latest Release of Ubuntu with Services like Horizon, Nova, Neutron, Glance, Cinder, Keystone & Swift.

·              Create/Maintain custom build scripts in Java/Perl. Develop Rational ClearQuest schemas and tailored the tools with custom Perl and VB Scripts.

·              Hands on experience in automating builds and deployment process using Shell scripting.

·              Developed scripts using RUBY, PERL, BASH and BATCH files for Automation of Activities and builds.

·              Imported and managed multiple corporate applications into GitHub code management repo.

·              Insure impact of software releases to system performance and resource utilization of distributed and mainframe platforms are acceptable during load testing.

·              Used the Application Server Admin (JBOSS/ Tomcat) to manage the systems remotely using Puppet and using Linux.

·              Work with development/testing, deployment, systems/infrastructure and project teams to ensure continuous operation of build and test systems.

Environment: Linux (RHEL 5.x/6.x), Solaris 10/11, RedHat Satellite Server, AWS, TFS, Puppet 3.x, Jenkins 1.x, WebLogic 11, WebSphere 7.0/8.0, Shell Scripting, Ruby, VMware ESXI 4.x & 5.x, Apache 2.x, Apache Tomcat 6.x/7.x, GIT, Nagios 4.x/5.x.

Texas Mutual Insurance Irving, TX                                                                                   Apr’12-May’14

Build & 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.

·              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.

·              Enforced development policies using Subversion hooks and other metadata.

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

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

Environment: Java, .Net, MYSQL,PHP, Ant, Jenkins, Web Logic, ClearQuest, AntHillPro, Subversion, XML, UNIX ,VB & Python scripting, MS SharePoint.

Sun Trust Bank Atlanta, GA                                                                                                Dec’10-Feb’12

Build & Release Engineer

Responsibilities:

·              Maintained source code repository in subversion and handled branching, tagging & merging process.

·              Worked closely with Business analysts and Project managers to meet release and build schedule deadlines.

·              Designed Continuous Build Process using Jenkins to prevent build failures.

·              Maintained Consistent and continuous integrated build deployment processes, automation and feedback loop using operational use of tool UDeploy.

·              Migrated a number of in house shell scripts that supported deployment and configuration of multiple applications to UDeploy (Urban code) to reduce the administrative overhead of QA and production releases. This also included implementing team security, common processes and approvals.

·              Designed versioning strategy in TFS 2010 to support parallel development for multiple releases.

·              Automated build process by defining build definitions and customizing XAML files

·              Implemented continuous integration using the Jenkins to track and build every source code change.

·              Created and setup automated nightly build environment for Java projects using ant scripts.

·              Deploying Rational Tools on IBM and/or client hosted environments.

·              Suggested and implemented the process of nightly builds and auto deployments for fast paced applications.

·              Studied the current build and release process and automated the process using shell scripts.

·              Debugged Build failures and worked with developers and QA people to resolve the related issues.

·              Perform various builds for the Dev, QA, staging and Production Environments.

·              Automated the deployments of application to the Web Server and Application Server.

·              Managed builds and made necessary changes to Ant build scripts for Java/ WebSphere based applications.

·              Supported development engineers with Configuration Management issues.

·              Assisted development leads and Project Leaders in technical and configuration management issues.

·              Worked under an environment that has a good defect tracking system through the use of Manual Test and Test Manager.

·              Documented release, builds and source control processes and plans. 
Environment: Subversion, TFS 2010 Jenkins,.Net, Apache Ant, WebSphere, Web logic, IBM RTC, C++, Java, Windows, Unix scripting, Redhat Linux.

Avantael Softech Ltd, India                                                                                    Jun’08-Aug’10

Unix/Linux Administrator

Responsibilities:

·              Installed, upgraded and configured Red Hat Enterprise Linux 4/5/6.

·              Configuration and administration of DNS, LDAP, NFS, NIS and NIS+ on Red Hat Linux.

·              Hands on experience working with production servers at multiple data centers.

·              Automated server building using Kickstarting RHEL 6 and Jumpstarting Sun Solaris 10.

·              Troubleshooting production servers and configuring standalone production server for testing.

·              Configured yum repository server for installing packages from a centralized server.

·              Created local repository in yum.repos.d to run packages using yum, rpm and up to date.

·              Configured and managed SELinux (Linux Firewalls) and allowed appropriate ports with help of iptables.

·              Installed and configured DCHP server in Linux to give IP leases to production servers.

·              Management of Red Hat Linux user accounts, groups, directories and file permissions.

·              Configured, managed ESX VM's with virtual centre and VI client.

·              Performed Kernel tuning with the sysctl and installed packages with yum and rpm.

·              Performed Disk management with the help of LVM (Logical Volume Manager).

·              Configuration and Administration of Apache Web Server and SSL.

·              Backup management using CRONTAB, running the backup based on client requirements.

·              Password-less setup and agent-forwarding done for SSH login using ssh-keygen tool.

·              Established and maintained network users, user environment, directories, and security.

·              Documented testing procedures and steps involved in data migration on production servers.

Environment: RHEL 4/5, CentOS 4/5, Fedora 9/10/11(beta), Ubuntu 8.10/9.04 Server, Debian SID, Vmware ESX, Veritas File System, Veritas Volume Manager, Veritas Cluster Server.