PROFESSIONAL EXPERIENCE:

• 8 years of experience as a Sr. DevOps Engineer, SCM, Environment Management and Build/Release Engineering for automating, building, releasing and configuring changes from one environment to another environment.
• Experienced in working on DevOps/Agile operations process and tools area (Code review, unit test automation, Build & Release automation, Environment, Service, Incident and Change Management).
• Created development and test environments of different applications by provisioning Kubernetes clusters on AWS using Docker, Bash, Chef, and Terraform.
• Extensive experience in using Version control systems includes Subversion (SVN), GIT, Clearcase.
• Experience in all facets of full CM process with tools such as SVN, GIT, PVCS, Clearcase, ClearQuest, Perforce, Cruise Control, Jenkins, Bamboo, Chef and Puppet.
• Adept in Installation, Configuration and Administration of AIX 4.3/5.1/5.2/5.3/6.1, Red Hat Linux 8/9, RHEL 3/4/5/6/7, Red Hat Satellite 6, OEL 4/5and SUSE Linux 10/11.
• Experience in development and configuration experience with software provisioning tools like Chef, Puppet and Ansible.
• Proficient in maintaining enterprise businesses using AD, LDAP, VPN and HA Proxy.
• Experience in Configuring and deploying to Application Servers WebLogic and WebSphere.
• Process Knowledge of ITIL Process and enforcer of best practices.
• Worked on continuous integration based on Maven and Hudson.
• Experience in working with Tracking Tools HP Service Center, JIRA.
• Experience in Load Balancing, DNS, SSL and firewalls.
• Configured and Secured Web server interface, Session management, JBoss resources in WebSphere.
• Developed, documented, and automated reusable builds and release processes for Visual Studio and TFS, batch scripts.
• Involved in Customization of Work Items, Transition Matrix in TFS.
• Experience in Deploying to and administering in the use of JBoss, Apache Tomcat web server, WebLogic, WebSphere, SVN.

TECHNICAL SKILLS:

Operating Systems: Windows2003/2008,UNIX, LINUX(RHEL), Ubuntu

Versioning Tools: Tortoise SVN, Clear Case, GIT hub, Stash, TFS

Bug Tracking Tools: JIRA, HP Quality Center, IBM Clear Quest, BAMBOO

Packaging Technologies: Install shield Admin Studio, Windows Installer Editor

Build Tools: uDeploy, Jenkins, ANT, IVY, MAVEN,MS Build, Apache Mesos

Languages/Scripting: Perl scripting, Shell scripting, PowerShell scripting, SQL, Java/J2EE, Python, Ruby

Web Technologies: Servlets, JDBC,JSP, HTML, JavaScript, XML

Web servers: WebLogic, Apache Tomcat, JBOSS, RESTful, SOAP

Configuration Management tools: Puppet, Chef (12.2 & 12.4), Ansible

RDBMS: Oracle, SQL SERVER, MYSQL, DB2

Architectural Experience: Open stack, EC2, AWS

PROFESSIONAL EXPERIENCE:

Confidential, Baltimore, MD

Sr. DevOps Engineer

Responsibilities:

• Implemented new process and policies for Build process and involved in auditing.
• Implemented Automated Application Deployment using Puppet.
• Responsible for automated Scheduled Builds/Emergency Builds and Release using ANT scripts for Enterprise application (J2EE).
• Managed GIT and SVN as Source Control Systems.
• Managed Sonatype Nexus for Artifact and dependency management systems.
• Defined the build and automated testing infrastructure. Educated both development and QA teams with the tools and process.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, Optimized volumes and EC2 instances
• Created the AWS VPC network for the Installed Instances and configured the Security Groups and Elastic IP's accordingly.
• Used Puppet for Continuous Delivery. Managed CI and CD process and delivered all application in rpms.
• Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure.
• Configured Jenkins for doing the build in all the non - production and production environments.
• Installed and configured Docker, Dockerimages, DockerHub registers
• Build development and test environments using Dockerfor a web farm of containers on AWS EC2 instances and integrated with Git clone for protecting the environment.
• Involved in building rpms using maven rpm plugin.
• Written puppet modules for Application deployment.
• Develop and maintain ANT (build.xml) and Maven (pom.xml) scripts
• Automated the weekly deployments utilizing CI tool Jenkins.
• SupportDevOpsEnvironment and maintain its stability so that Development team can quickly and reliably test their new code

Environment: Puppet, Docker, Jenkins, Maven, AWS, EC2, Jira, Junit, Linux, Java.

Confidential, Austin, TX

DevOps Engineer

Responsibilities:

• Worked closely with the Development Team in the design phase and developed use case diagrams.
• Worked within the OneOps Cloud environment for integration & Deployment stages.
• Performed Dev-Ops for Linux platforms.
• Implemented Automated Application Deployment using Ansible.
• Source code configuration tools Subversion and GIT used for different projects.
• Maintained versioning of Artifacts by Sonatype Nexus for continuous Integration.
• Focused on automation, integration, monitoring and configuration management.
• Carried Deployments and builds on various environments using continuous integration tool.
• Monitored developed applications and fixed bugs.
• Automation of test cases is done by integrating the HP QC plug-in with Jenkins Server which will automate whenever there is latest package available through the CI server.
• Build, configured and support Application team environments.
• Installed the application on AWS EC2 AMI Instances and configured the storage on S3 Buckets.
• Configured IIS, and deployed application using the IIS.
• Completed load and performance testing of extremely complex systems.
• Streamlined applications delivery to get applications out to customers faster.
• Utilized SQL database systems.
• Completed load balancing and proxying of systems, servers and components.
• Maintained SVN repositories for DevOps environment, automation code and configuration.
• Upgraded and Migrated to Jira from Clear Quest for bug tracking and project tracking.
• JIRA Administrated, maintained documentation and provided to the users
• Created SVN Hooks which triggers builds in Jenkins for the legacy products.
• Worked on F5loadbalancers toloadbalance and reverseproxyWeb Logic Servers
• Developed & improved build communication, documenting build processes & procedures.
• Deploy production packages to web servers and application servers according to business needs.

Environment: Chef-DK, Chef workstation, Chef Server, Chef V12, Puppet, Splunk, Ngnix, OpenStack components - Keystone, Horizon, Nova - compute, Ceilometer, Nagios, Tomcat, Apache web server, VMWare ESXi, Red Hat Linux 5/6/7, Windows 2003/2008, Puppet, Cookbooks, Chef Resources, GitHub, SVN, Jenkins, MongoDB, Web Services, Shell script, Python, Ruby script.

Confidential, Atlanta, GA

Build and Release Engineer

Responsibilities:

• Responsible for design and maintenance of the Subversion/GIT Repositories, views, and the access control strategies.
• Performed all necessary day-to-day Subversion/GIT support for different projects.
• Analyze and resolve compilation and deployment errors related to code development, branching, merging and building of source code.
• Troubleshot and solved build and performance issues. Created custom scripts to monitor environment and automate policy. Mentored administrators onClearCase.
• Develop and enhance the automated configuration management system.
• Maintain and enhance current build procedures for all software development projects.
• Branching and merging of the code base in CVS.
• Create Chef Automation tools and builds, and do an overall process improvement to any manual processes.
• Perform deployments and installations.
• Monitoring infrastructure.
• Research and recommend open source tools, practices, and methodologies that enhance our day to day productivity.
• Setup Load Balancer’s for many applications using CSS and GSS load balancer requests.
• Used Ant, Maven to perform daily and weekly Software Builds.
• Installed, administered and configured Team Forge, Jenkins Continuous Integration tool.
• Set up LDAP authorization & NFS mounted /home directories for users.
• Bootstrapping automation scripting for bare metal and virtual servers.

Environment: ANT, Team Forge, Maven, Subversion, Jenkins, Oracle 10g, Shell Scripts, Apache Web Server, JBoss Application Server, Azure, Cloud computing tools, Rational Build Forge, IBM Rational Clear Case.

Confidential, Austin, TX

AIX/UNIX System Administrator

Responsibilities:

• Involved in installation, configuration and administration of AIX 5.3/5.2 on Pseries server.
• Decommissioning of old hardware and migrating the application to the new hardware of P Series.
• Setup and configured network TCP/IP on AIX nodes including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on the Servers.
• Performed IP networking Parallel System support Programs PSSP High availability Clusters.
• Designed and built p-Squadron logical partitioning LPAR profile.
• Diagnosed and troubleshoot software and hardware related problems.
• Implemented & installed AIX 5.3/5.2 and Red Hat AS 4.0/3.0 operating Systems on LPAR using HMC. Good knowledge of installing UNIX based operating systems on LPAR.
• Implemented AIX virtual I/O-VIO Server& built LPARs with VIO Servers host DASD & Virtual Ethernet also applied micro partitioning feature for optimizing CPU utilization.
• Installed and deployed operating system and security related patches and fixes.
• Good knowledge of Hardware management console HMC: update HMC code; manage HMC Users, Configure Network setting for HMC. Managed Power5 p/i-squadrons using Hardware management console HMC.
• Good working knowledge of installing, configuring, and upgrading Blade Center’s Management Module. Good knowledge of Installing and configuring Blade Center's Gigabyte Ethernet switches such as Cisco and Nortel for different subnets using VLAN ID'S.
• Installation and configuration of number of Web Sphere Application Servers (WAS) 5.1/5.4/6.0 instances on development, QA and production environment.
• Responsible for migration and configuration of IBM web sphere application (WAS) 5.4 to 6.0.
• Good knowledge of applying online updates, patches & service packs for Linux SuSE & RHEL.
• Installed AIX and performed the operating system upgrade flawlessly. Updating the existing applications and adding new ones without incident.
• Implemented, installed and supported High Availability Cluster HACMP 5.3 on IBM Pseries platform.
• Developed Shell scripts for automating the batch jobs.
• Involved in Storage management, LVM, File system management, User account management, data backups, data automation and user’s logon support.
• Involved in testing of products and documentation of necessary changes required in this environment.

Environment: Red Hat AS 4.0/3.0, AIX 5.3/5.2, HACMP 5.3 on IBM Pseries platform, IBM web sphere application (WAS) 5.4 to 6.0.