SUMMARY:

• Mr. SaiKrishna Ganapuram is a Sr. DevOps/ Release Engineer who has IT professional experience in application development, database design & development, and containerization and Next Gen tools.
• Implemented CI/CD allowing for deploy to multiple client Kubernetes/AWS environments.
• Experienced in MySQL, DynamoDB and Elastic Cache to perform basic database administration build.
• Developed GIT hooks on local repository, code commit, remote repository, code push functionality, on Git Hub.
• Experience on Continuous Integration and Continuous Delivery frameworks like Jenkins.
• Integrated Maven with Jenkins for the builds as the Continuous Integration process. Used Maven for building Java/J2EE Applications.
• Created multiple environments (Test, Pre - prod and Production) to build and deploy Java applications using AWS Cloud Formation template which includes VPC EC2, ELB, Auto scaling, RDS, Route53, S3, SNS and IAM.
• Worked on presentation layer to develop JSP pages and embedding CSS, JavaScript, DOM and HTML.
• Seasoned in Server infrastructure development on AWS Cloud, extensive usage of Virtual Private Cloud (VPC), Cloud Watch, IAM, EC2, RDS, S3, Auto Scaling, Route53, SNS, and Lambda.
• Experience on on-boarding application teams to follow release pattern strategy.
• Created Docker images and handling multiple images primarily for Middleware installations and domain configurations.
• Integrated Docker container orchestration framework using Kubernetes by creating pods, config Maps, and deployments.
• Experience on on-boarding required plugins in Jenkins for multiple teams like OS team, Vra/Vro team, Chef and Habitat teams.
• Experience in working in teams employing DevOps mode with a good understanding of infrastructure and software components to be able to support the application end to end from development through post-production support.
• Experience and understanding of Production support, maintenance processes, Service Level management.
• Good knowledge on Agile Development methodology and Test-Driven Development.

TECHNICAL SKILLS:

• Jenkins
• Chef
• Docker
• GIT
• Java
• Habitat
• Groovy
• Habitat
• Windows
• AWS
• Java script
• JIRA
• Linux
• Perl vRA/vRO
• Kubernetes
• Linux
• SVC
• Puppet
• Python
• Ruby
• SQL
• VMWare
• Ansible
• SQL
• Unix
• Nexus

PROFESSIONAL EXPERIENCE:

Confidential, Dearborn MI.

DevOps Engineer/Release Engineer

• Supporting concurrent development process with standard Branching and Merging of application source code.
• Creating and maintaining several build definitions and publish profiles to handle automated builds in an Agile / SCRUM environment.
• Coordinating software application and database deployments across several environments and provided feedback and training to other full-time release engineering staff for production releases during off hours.
• Developing custom automation build system using Chef and Jenkins.
• Configuring & setting up of CI environment with Jenkins on starting from QA to PROD.
• Set up Deploy server along with automated scripts to back up the server and restore from backup for Disaster recovery.
• Writing CHEF recipes for automated Deploy agent installing/updating, deploying agent relays installing/updating and configuring the same with the Deploy server.
• Working on Chef cookbooks and related applications for Deploying and maintaining them across 5 environments Develop, QA, QA EDC lab (Test), and Prod.
• Developing strategies, and contracts for validation of deployments and automating rollbacks in Deploy.
• Designing and implementing fully automated server builds, managing, monitoring and deployment solutions spanning multiple platforms, tools and technologies including Jenkins Nodes/Agent, Chef, VMWare, VRA/VRO, in PCF.
• Writing recipes, tools, shell scripts, and monitoring checks.
• Integrated sonarcube, fortify in Jenkins.
• Developed Jenkins pipeline using Groovy code for multiple teams to support multiple services.
• Working with Chef recipes/cookbooks which involved installing, updating, SQL refactoring, deploying agents, updating VRA/VRO, controlling load balancers.
• Promoting major releases, monthly releases, and patches from Development -> Integration/QA -> Testing/QA EDC Lab -> Production.
• Updating bugs and user stories in CA Rally to reflect deployment information when pushing / releasing code, collating them with other information into release notes.

Environment: Chef, Jenkins, Maven, Java 8, VS code, Flowdock, Habitat, Https, SQL, Visual studio, Docker, CA Rally, VRA/VRO, Java Scripts, Unix/Linux, Ruby, Shell scripting, Git.

Confidential, Kansas City, MO

Sr. JAVA/ AWS Engineer

• Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Wrote Java 8 utility classes to access web services from server side.
• Ran HTTP Webinar program - from agenda development to execution, ensuring leads passed to internal databases.
• Used the groovy to make the configuration loading dynamically seamlessly when there are changes required for GPRS additions or removal.
• Responsible for creating multiple environments (Test, Pre-prod and Production) to build and deploy Java applications using AWS Cloud Formation template which includes VPC EC2, ELB, Auto scaling, RDS, Route53, S3, SNS and IAM.
• Responsible to Manage IAM policies, providing access to different AWS resources, design and refine the workflows used to grant access.
• Developed enhancements to MongoDB architecture to improve performance and scalability.
• Configured AWS Route53 to route traffic between different regions.
• Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS Cloud watch, Splunk and Nagios.
• Managed servers on the Amazon Web Services (AWS) platform using chef configuration management tools.
• Used Dynamo DB to store product information and Created Product catalog table for different products.
• Designed and implemented for fully automated server build management, monitoring and deployment using Chef.
• Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife.
• Developed Chef Cookbooks and Recipes to manage systems configuration.
• Deployed applications on J-BOSS 4.x/5.x and JBPM.
• Configured, monitored, distributed multi-platform servers using Chef.
• Used Test Kitchen to test the Chef Recipes on workstations before running the recipe on servers.
• Maintained Chef Servers and management application that can use Service Now (CI) data to bring computers into a desired state by managing files, services, or packages installed on physical or virtual machines.
• Designed Implemented Asynchronous Angular RESTful back end Service using $http Promises to AWS JSON Cloud.
• Working with Docker practices by AWS, Elastic Bean stalk& Docker with Kubernetes.
• Conducted auto deployment of software applications in secured and managed environment using container technology Docker.
• Customized Docker container images, tagging and pushing the images for various generic requirements.
• Integrated Docker container orchestration framework using Kubernetes by creating pods, config Maps, and deployments.
• Object Oriented JavaScript Class instance declaration/definition experience for inheritance & J2EE Design Patterns factory, service, singleton, decorator, callback, model, controller, modules and templates. Knowledge of Java/JavaScript REST routing.
• Used Groovy to automate a cumbersome, manual data processing utility based on legacy bash scripts.
• Worked on presentation layer to develop JSP pages and embedding CSS, JavaScript, DOM and HTML.
• Installed, configured and administered Jenkins as Continuous Integration Server on Linux machines.
• Added multiple nodes to Jenkins and configured SSH for continuous deployments.
• Responsible for various repository management activities in Git like branching, tagging, rebasing and merging.
• Developed and maintained build, deployment scripts for test, Staging and Production environments using ANT, Maven, Shell, Python and Perl scripts.
• Integrated Confidential &T app Mapper Android calibration binaries and scripts file in to Intel Android5.1 Confidential &T devices.
• Developed unit and functional tests in Python and Ruby.
• Developed Web Application in Groovy/Grails with Mongo DB as a data store.
• Involved in Android Voice recognition application framework development to billing tab through Confidential &T.
• Used JSON as response type in REST services.
• Experienced in using Nexus and Arti factory Repository Managers for Maven Builds.
• Deployed the code through web application servers like WebSphere, WebLogic, Tomcat.
• Used MySQL, DynamoDB and Elastic Cache to perform basic database administration build.
• Created Virtual machines for Red hat Linux and Solaris on VMware ESX and also administering them with Virtual Infrastructure client.
• Worked with different team members for automation of Release components.
• Used Jira as ticket tracking and work flow tool.

Environment: AWS, Chef, Jenkins, Maven, Java 8, Http, SQL, Android Multi window support, Android7.0, Android6.x, Android Studio2.2.x,, Android NDK10.r, J-BOSS, Docker, Jira, Java Scripts, Unix/Linux, Python, Ruby, Shell scripting, Nagios, Git.

Confidential, IL

DevOps/AWS Engineer

• Built, managed, and continuously improved build infrastructure for global software development engineering teams including implementation of build scripts, continuous integration infrastructure and deployment tools.
• Used sub modules in the GIT and educated users working with sub modules in GIT. Configured plugins for the integration tools to the version control tools.
• Worked on branching, labeling, and merge strategies for all applications in GIT.
• Created GIT configuration record for builds using derived objects generated during build audit process.
• Managed GIT repositories for branching, merging, and tagging.
• Handled Code reviews and merging Pull requests.
• Configured, implemented and supported High Availability (Replication) with Load balancing (sharing) cluster of Mongo dB having TB's of data.
• Implemented continuous integration using Jenkins.
• Built Java code on to different Jenkins servers as per the schedule.
• Integrated Maven with Jenkins for the builds as the Continuous Integration process.
• Used Maven for building Java/J2EE Applications.
• Added / removed replica and shard nodes in Mongo dB Cluster as needed.
• Worked on AWS EC2, IAM, S3, EBS, Elastic Load balancer (ELB), auto scaling group services.
• Responsible for distributed applications across hybrid AWS and physical data centers.
• Provided installation & maintenance of Puppet infrastructure and developed Puppet recipe &modules for configuration management.
• Wrote and deployed modules in puppet.
• Implemented Puppet for Automation in the Non-production environment.
• Worked on Kubernetes and Docker images to provide platform as service on private and public cloud in AWS cloud.
• Worked on creation of puppet manifest files to install WebLogic instances and to manage configuration files for multiple applications.
• Utilized Puppet for configuration management of hosted Instances within AWS.
• Deployed the applications on multiple WebLogic Servers and maintained Load balancing, high availability and Failover functionalities.
• Maintained GIT repositories using stash & handling build and Release deployment using Docker Marathon.
• Configured and updated JSON files to create new stacks for Deployment using Docker Marathon.
• Worked on several Docker components like Docker Engine, Hub, machine, compose and registry.
• Worked on Docker Hub, creating Docker images and handling multiple images primarily for middleware installations and domain configurations.
• Deployed and maintained multi-container applications through Docker.
• Configured application servers (JBOSS) to deploy the code.
• Use JIRA for change control & ticketing.
• Good working knowledge of PowerShell scripting on windows environment.
• Worked with Jira, a tool that handles DCR (defect Change Request) MR (Maintenance Request).
• Windows& VMware server automation using scripting language Power shell, VB Script.
• Have experience in scripts (Perl scripts, Shell scripts, etc.) that can run from a command line to check the status of a host or service by using Nagios.

Environment: AWS, Shell Scripting, VMware, Hudson, Jira, GIT, WebLogic, JBOSS, Maven, Jenkins, Arti factory, Docker, Kubernetes.

Confidential

Build & Release Engineer

• Developed build and release processes. Perform software builds using Clear Case as version control tool.
• Built and Deployed java source code into application servers in an Agile continuous integration environment.
• Developed and maintained UNIX/Perl/Ant scripts for build and release tasks.
• Perform software builds using SVN as version control. Writing, editing config specs and creating views for developers.
• Designed and deployed best SCM processes and procedures. Posting the Build on time & following it up the testing team on posted builds.
• Help Development teams to understand MongoDB design principals.
• Managed SVN repositories for Branching, Merging, and Tagging. Developed Shell/Batch/Perl Scripts for automating build process.
• Resolved merging issues during build and release by conducting meetings with developers and managers.
• Administrated & Used SVN for branching, tagging, and merging.
• Maintained and coordinated environment configuration, controls, code integrity and code conflict resolution.
• Implemented Android web client applications and web services REST & JSON in Intel Android ICS phones.
• Verified if the methods used to create and recreate software builds are consistent and repeatable.
• Practical understanding and experience in scaling puppet with 100's of agents and few puppet servers.
• Practical/hands-on knowledge on using Hiera in conjunction with puppet modules.
• Planned for, tested, and then managed the upgrade of our puppet infrastructure from 0.25.4 to 2.6.6.
• Deployed the applications to Tomcat Application Server and static content to apache web servers.
• Worked with JIRA for Issue Tracking and monitoring.
• Wrote services to store and retrieve user data from the MongoDB for the application on devices.
• Managed and Monitored large production MongoDB shared cluster environments having terabytes of the data.
• Created several stored SQL procedures to handle the data from different tables in the database and for fast retrieval of data.
• Involved in Android OpenCV and open source 3D video algorithms porting on Intel phone Midfield PR3x - ICS4.x.
• Deployed the archives to WebSphere Application Servers using Admin Console and Deploy Scripts Provided by WebSphere admin Team.
• The deployment and server bounce process is automated by creating the scripts using WebLogic Scripting Tool (WLST).
• Responsible for Plugin Management, User Management and Backup/Disaster Recovery Plan/Implementation (BDR) on Jenkins.

Environment: Subversion (SVN), Clear case, Jenkins, Android JNI, Android Jelly Bean, Android r5 NDK, Perl Scripts, Shell Scripts, XML, WebSphere, WebLogic, PL SQL.

Confidential

Linux Administrator

• Developed and supported the Software Release Management and procedures.
• Performed all necessary day-to-day Subversion/CVS support for different projects.
• Responsible for design & maintenance of Subversion/CVS Repositories, views, and access control strategies.
• Created the branches in Subversion and Perforce to implement the parallel development process.
• Merged release branches to the trunk after the production release and resolved the conflicts rose during the merge in both Subversion and Perforce.
• Implemented Continuous Integration using Jenkins and GIT.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Worked on ANT and MAVEN Scripts to automate the build process.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Implemented GIT for version control of puppet modules and process documentation.
• Versioning and Source control of codes using GIT concepts such as branching, merging, labelling/tagging, branches locking, access control and integration.
• Developed GIT hooks on local repository, code commit, remote repository, code push functionality, on Git Hub.
• Worked with the Architects on SDLC process being the owner of post development environments.
• Deployed the applications to WebSphere Application Server 5.0 and static content to apache web servers.
• Carried Deployments and builds on various environments using continuous integration tool.
• Developed and implemented the software release management for the release of web applications.
• Worked closely with development team and SQA team for product releases.
• Implemented Configuration Management, Change Management policies and procedures.
• Worked as a system administrator for the build and deployments process on the enterprise server.
• Documented project's software release management procedures with input decisions.
• Developed, maintained, and distributed release notes for each scheduled release.
• Worked closely with software developers and DevOps to debug software and system problems.
• Developed and maintained integration and release processes.
• Involved in Research of the project application architecture to support/resolve build, compile, and test issues/problems.

Environment: Subversion, ANT, Git, RHEL, XML, WebLogic, WebSphere, Perl Scripts, Shell scripts.