SUMMARY

• 8 years of IT experience as comprising of 3 years as a Linux Systems Administration and almost 5 years as DevOps engineer with expertise in areas of Software Configuration Management, Version Control, Build and Release management.
• Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, scrum, and Waterfall methodologies.
• Hands on experience in source code management, branch creation & repositories management using GIT, SVN.
• Implemented TortoiseSVN and webSVN for Subversion and integrated Jira (change management tool) with Subversion.
• Experience in using buildand Automation tools like ANT and Maven for the building of deployable artifacts from source code.
• Configured and administered Continuous Integration tools such as Hudson/Jenkins for automated builds.
• Responsible for installing Jenkinsmaster and slave nodes.
• Experience in using Nexus and Artifactory Repository Managers for Maven and Ant builds.
• Worked with different Bug Tracking Tools like Remedy, Jira andServiceNow.
• Proficient in development and execution of XML, ShellScripts and PerlScripts.
• Experience in installing, upgrading and configuring RedHat Linux 3.x, 4.x, 5.x and 6.x using Kickstart Servers and Interactive Installation.
• Experience in Creation and managing user accounts, security, rights, disk space, quotas and process monitoring in Redhat Linux
• Experience in deploying the code trough web application servers like Apache Tomcat/JBOSS.
• Deployed application packages on to the Apache Tomcat server. Coordinated with software development teams and QA teams.
• Expertise in writing Bash Scripts, Pearl Scripts (hash and arrays), Python programming for deployment of Java applications on bare servers or Middleware tools.
• Familiar with integrating JUnit, PMD and other code quality Tests as a part ofbuild process.
• Collaborated with development support teams to setup a continuous delivery environment with the use of Docker.
• Configured Puppet enterprise and Puppetopen source servers.
• Wrote Puppet Manifest files to deploy automated tasks to many servers at once.
• Worked on creation of puppet manifest files to install tomcat instances and to manage configuration files for multiple applications.
• Experienced in Writing ChefRecipes to automate our build/deployment process and do an overall process improvement to any manual processes.
• Written multiple Manifests and also customized facts for efficient management of the Chef clients.
• Managed Amazon Web Services like EC2, S3 bucket, RDS, EBS, ELB, Auto - Scaling, AMI, IAM through AWS Console and API Integration with Puppet Code.
• Generation and creation of tools to provide Amazon Web Services cloud solutions in common scripting language.
• Developed AWS CloudFormation templates to create custom sized VPC, subnets, EC2 instances, ELB, Security Groups.
• Created a high availability and scalable AWS stacks using EC2 AutoScaling functionality
• Created tagging standards for proper identification and ownership of EC2 instances and other AWS resources.

TECHNICAL SKILLS

Version Tools: SVN, GIT, ClearCase

Build Tools: ANT, MAVEN

CI Tools: Jenkins, Hudson

Web technologies: HTML, XML, JAVA Script

Configuration Management Tools: Puppet, Chef, SaltStack

Languages: C, C++, XML, SHELL, PERL, JAVA, POWERSHELL, Python, Ruby, HTML

Database: MySQL, MS Access SQL Server 2005, 2008, 2012

Bug Tracking: JIRA, Remedy, ServiceNow

SDLC: Agile, Waterfall

Cloud Technologies: Amazon Web Services (AWS), Openstack

Web/ Application Servers: Apache Tomcat, JBoss 4.x/5.x, WebSphere, WebLogic(8/9/10)

Artifactories: Nexus, Artifactory

Virtualization: Vagrant, Docker

Operating Systems: Linux (Red Hat 5/6.5, CentOS 6/7, Ubuntu 12/13/14),WINDOWS NT/2000/2003/XP/VISTA/7

PROFESSIONAL EXPERIENCE

DevOps Engineer

Confidential - Oaks, PA

Responsibilities:

• Worked as a DevOps Engineer for a team that involves three different development teams and multiple simultaneous software releases.
• Developed and implemented software release management strategies for various applications according to agile process
• Deployed java applications to application servers in agile continuous integration environment and also automated the whole process.
• Responsible for installing Jenkins master and slave nodes.
• Configured Git with Jenkins and schedule jobs using POLL SCM option.
• Performed integration of Code Quality Analysis techniques - Checkstyle, Findbugs with CI tools.
• Managed Sonatype Nexus repositories to download the artifacts (jar, war & ear) during the build.
• Used Shellscripts to automate the deployment process.
• Involved in setting up builds using Chef as a configuration management tool.
• Manage the configurations of more than 40 servers using Chef, configured Jenkins builds for continuous integration and delivery. Automated webserver content deployments via shell scripts.
• Established Chef Best practices approaches to system deployment with tools with vagrant and managing Chef Cookbook as a unit of software deployment and independently version controlled.
• Used cookbooks, recipes, roles, databags, runlist to deploy web applications, applications servers and vendor applications Created Chef cookbooks and recipes that kickoff post-install scripts.
• Used Test Kitchen to test the scripts and used OHAI to collect attributes on node.
• Followed agile principles and used JIRA for maintenance and Bug development tasks.
• Deployed the build artifacts into environments like QA, UAT and production according to the build life cycle.
• Configure, monitor and automate Amazon Web Services.
• Created and managed custom CentOS and Linux based AMIs
• Setup Elastic Load Balancer for distributing traffic among multiple WebLogic servers.
• Involved in deploying the content cloud platform on Amazon Web Services using EC2, S3 and EBS.
• Creating S3 buckets and also managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS.
• Experience in creating alarms and notifications for EC2 instances using CloudWatch.
• Used SVN as source code repository.
• Created the branches in Subversion to implement the parallel development process.
• Merged release branches to the trunk after the production release and resolved the conflicts if any during the merge in subversion.
• Involved in migrating from SVN to GIT.
• Create and setup automated nightly build environment for java projects using Maven.
• Build scripts using ANT and MAVEN build tools in Jenkins to move from one environment to other environments.
• Developed, maintained and distributed release notes for each scheduled release.
• Kept track of all releases and request of the developers through infrastructure management tool.

Environment: Subversion, GIT, Shell scripts,SUSE 9,10, bash, ANT1.8/1.9, Maven, Apache Tomcat6.x/7.x, Jenkins1.x, Chef, JIRA, Nexus Maven, Splunk, Nagios4.x/5.x, Linux/Unix, Windows, Java, J2EE, Docker,AWS

DevOps/Build & Release Engineer

Confidential - Miami, FL

Responsibilities:

• Developed build using ANT and MAVEN as build tools and used CI tools to kick off the builds move from one environment to other environments.
• Participated in the release cycle of the product which involves environments like developments QA and production.
• Designed and developed shell scripts.
• Responsible for design and maintenance of the Subversion Repositories and the access control strategies.
• Initial setup and install of ClearCase in a Linux environment.
• Configuring ClearCase VOBs, Views, license and registry server
• Installed and configured GIT and communicating with the repositories in GITHUB.
• Used the version control system GIT to access the repositories and used in coordinating with CI tools.
• Integrated maven with GIT to manage and deploy project related tags.
• Performed necessary day to day Subversion/GIT support for different projects.
• Used the continuous Integration tools such as Jenkinsfor automating the build processes.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and to schedule the builds.
• Configured Jenkins with plugins and created jobs.
• Installed and Configured the Nexus repository manager for sharing the artifacts within the company
• Automated system configuration using Puppet.
• Implemented Puppet modules to automate configuration of a broad range of services.
• Developed Puppet modules to automate deployment, configuration, and lifecycle management of key clusters.
• Wrote puppet manifests for deploying, configuring, and managing components.
• Assisted end-to-end release process from the planning of release content through to actual release deployment to production.
• Used maven dependency management system to deploy snapshot and release artifacts to Nexus to share artifacts across projects.
• Deployed Java/J2EE applications on to the Apache Tomcat server and configured it to host the websites.
• Coordinated with software development teams and QA teams.
• Performed clean builds according to scheduled releases.
• Verified whether the methods used to create and recreate software builds are reliable and repeatable.
• Deployed the build artifacts into environments like QA, UAT according to the build life cycle.

Environment: Ant, Maven, Apache & Tomcat, shell & Perl scripting, Subversion, ClearCase, Jenkins, Hudson, Windows 2000/XP, Linux, Git, GitHub, Puppet3.x

DevOps/Build & Release Engineer

Confidential - Jacksonville, FL

Responsibilities:

• Participated in thereleasecycle of the product which involves environments like Development, QA, UAT and Production.
• Responsible for supporting Linux System Administrator customers with RHEL/Centos/Ubuntu operating systems questions and problems via telephone, FAX, and email.
• Analyze and create daily reports on the status of server backups on intranet and extranet.
• Buildartifacts (WAR's and EAR's) are deployed into a Web logic app server by integrating the WLST scripts to Shell Scripts.
• Assist with maintaining current build systems, developed build scripts, and maintained the source control system.
• Managed the source codes repository of multiple development applications using SVN version control tools.
• Merged release branches to the trunk after the production release and resolved the conflicts if any during the merge in Subversion.
• Used MAVEN to automate the build process.
• Builds and deploys J2EE application in Web Sphere
• Enhanced Configuration Management using (PUPPET) to assist with automated, repeatable, and consist configuration and application deployments.
• Assisted Operations Team by writing specific Puppet manifests to deal with application installations and related configuration files.
• Responsible for scaling/upgrading/maintaining the application.
• Created custom developer tools and workflows for testing and releasing Puppet code.
• Worked with scrum and development team in overseeing bug tracking, test prioritization, test automation and releases.
• Used Apache Tomcat as application server for deploying the artifacts.
• Performed Backend Testing by writing SQL Queries with SQL as RDBMS Database.
• Support Production/development and Testing systems, UNIX system upgrading and UNIX Network configuration.
• Imported and managed multiple corporate applications into Tortoise SVN.
• Used different UNIX commands like NMON to monitor the health and specs of the systems and then took appropriate action accordingly.
• Involved in editing the existing ANT/MAVEN files in case of errors or changes in the project requirements.
• Integrated GIT into Jenkins to automate the code check-out process. Adding storage to the cluster disks and increasing/ decreasing the file system in RHEL.
• Project Management experience performing ITILreleasemanagement and SCM activities.
• Created analytical matrices reports for release services based on Remedy tickets.
• Coordinated with developers, Business Analyst and Mangers to make sure that code is deployed in the Production environment.
• Troubleshoot tickets on the helpdesk tracking system.

Environment: RHEL, ANT, Maven, Jenkins, CentOS, Ubuntu, SVN, GIT, UNIX/Linux, SQL, Apache Tomcat, Web logic, Java/J2EE.puppet

Linux System Administrator

Confidential

Responsibilities:

• Providing 24/7 support for our customers at operating system level well.
• Installing RHEL6 operating system on servers through CD/DVD or Network (kick start).
• User management - Creating and management of users/groups
• Installation of Ubuntu and RHEL operating systems on HP and dell.
• Installation and configuration of Webserver (Apache 2.2.17), MySQL 5.5 and PHP in a LAMP stack.
• Provided support for server and workstation upgrades, backup and disaster recovery monitoring, user account setup and security administration.
• Set up and administered user and groups accounts, setting permissions for users.
• Adding/deleting/creating/ user account information, resetting password.
• Assisted in upgradingRHEL 5.0 to RHEL 5.5 and RHEL 5.5 to RHEL 6.0 using live upgrade and manual upgrade.
• Installation, configuration, support and security implementation on DNS, DHCP, NFS, HTTPD.
• Used LVM for the management of logical volumes including creation of physical volumes in Linux.
• Created disk partitions and file systems and extended storagespace using Logical Volume manager.
• User Group creation, monitoring and maintaining log for system status/health using Linux commands and Nagios system monitor.
• Responsible for Package Installation through RPM&YUM.
• Capacity Assessment for new requests of servers i.e. calculating CPU and Memory for servers according to the current/future requirement.
• Scheduling jobs using CRONTAB&AT utility.
• Documented the procedures and standards for other administrators to follow.
• Configuration of LOGICAL Volumes with Striped and Mirrored Volumes.
• Creation of Physical volumes and Volume groups.
• Growing and shrinking the volumes and file systems according to the usage

Environment: Ubuntu, RedHat Linux(RHEL5/6), Nagios, Logical Volume Manager, Global File System,DNS, DHCP, NFS, HTTPD.

Jr. Linux Administrator

Confidential

Responsibilities:

• Installation and Configuration of RedHat LINUX server.
• Installation and customization of Red Hat Linux 4, and Window NT servers.
• Installation and upgrading of required patches.
• Performed regular maintenance.
• Supporting 150 Servers for multi locations.
• Implementing, managing and troubleshooting hardware devices and drivers, installing service packs and updating drivers.
• Troubleshooting of Network and Firewall.
• Managed user accounts and groups with disks and File systems.
• Administration, Monitoring, Managing Disk space and Data security on servers.
• Backup using tar.
• Documenting the installation of third-party software.
• Administering and monitoring DNS, NFS, NIS.
• Installation, Configuration of Web Servers using Apache on Linux, and NT Servers.
• Windows Client support.
• Maintaining backup of all the logs of users and mail logs for future correspondence.
• Setup various user profiles, environment variables/security to ensure smooth operation.

Environment: Red Hat Linux, DNS, DHCP, NFS, SAMBA, SMTP, Apache, and Windows NT