Responsibilities:

• Participated in weekly release meetings with Technology stakeholders to identify and mitigate potential risks associated with the releases.
• Maintaining the user accounts (IAM), RDS, Route 53, SES and SNS services in AWS cloud.
• Server migration using cloud services like AWS from physical to cloud environment.
• Created Cloud Formation template stacks to automate for building new VPCs using JSON files.
• Experience in AWS, which included managing application in the cloud and creating instances.
• Created Snapshots and Amazon Machine Images (AMI's) of EC2 Instance for snapshots and creating clone instances.
• Setting up private networks and sub-networks using Virtual Private Cloud (VPC) and creating security groups to associate with the networks.
• Managed multiple AWS accounts with multiple VPC's for both production and non-prod where primary objectives included automation, build out, integration and cost control.
• Tested and configured AWS Workspaces (Windows virtual desktop solution) for custom application requirement.
• Configured and maintained user accounts for Dev, QA and production teams and created roles for EC2, RDS, S3, Cloud Watch, EBS resources to communicate with each other using IAM.
• Building Hadoop-based big data enterprise platforms coding in python and devops with Ansible.
• Performing Hadoop day-to-day operations (HDFS, Scoop and Hive) including operation, deployment and debugging of job issues.
• Configured and managed source code using Git and resolved code merging conflicts in collaboration with application developers
• Wrote Puppet manifests for deploying, configuring, Instalshield and managing collected for metric collection and monitoring.
• Develop and implement an automated Linux infrastructure using Puppet.
• Wrote Puppet models for installing and managing java versions.
• Wrote a Python plugin for collected to write metrics to statsd.
• Worked on infrastructure with Docker containerization.
• Created Docker file for each micro service's and also changed some of the tomcat configuration file which are required to deploy Java based application to the Docker container.
• Collaborated with development support teams to setup a continuous delivery environment with the use of Docker.
• Deploying the Open stack components on multimode with high availability environment.
• Handled Jira tickets for SCM Support activities.
• Written Shell scripts to apply the Integration label to all the files which needs manual labeling of files.
• Provided end-user training for all Subversion (SVN) users to effectively use the tool.
• Build and Deployed Java/J2EE to a web application server in an Agile continuous integration environment and also automated the whole process.
• Developed Perl and shell scripts for automation of the build and release process.

Environment: Java/J2ee, Angular, Puppet, Docker, Hadoop, TFS, Open Stack, Ant, Maven, Subversion, Jenkins, Bamboo, Nexus Pro, Tomcat, Sonar, Jira, Remedy, Python, Ruby, UNIX, Perl, Shell Scripts.

Responsibilities:

• Worked on Multiple AWS instances, set the security groups, Elastic Load Balancer and AMIs, Auto scaling to design cost effective, fault tolerant and highly available systems.
• Used EC2, auto-scaling and VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts.
• Worked on creating Rest Services using ASP.NET Web API and C#.
• Expertise in using ADO.Net Objects such as SQL/OLEDB Connection Object, SQL/OLEDB Command Object, Data Reader Object, Dataset Object and Data Adapter Object.
• Created Python Scripts to Automate AWSservices which include web servers, ELB, Cloudfront Distribution, Database, EC2 and Database security groups, S3 bucket and application configuration, this Script creates stacks, single servers or joins web servers to stacks.
• Configuring and updating JSON files to create new stacks for Deployment using Docker Marathon
• Working with Docker Marathon, Mesos Infrastructure. Deploying Web applications.
• CreatedDocker images using a Dockerfile andworked on Dockercontainer snapshots, removing images and managingDocker volumes.
• Monitor Azure Infrastructure through System Center Operation Manager (SCOM).
• Coordinating with Microsoft for increasing subscription limit like- Core limit and Cloud Services. Handling and Resolving Client's Issues remotely.
• Involved in building own PaaS with Docker and deployed various applications through Dockercontainers.
• Implemented a CD pipeline involving Jenkinsto complete the Automation from commit to Deployment.
• Created Shell&Python scripts for various Systems Administration tasks to automate repeated processes
• Developed automation and deployment utilities using Ruby, Bash, PowerShell, Python and Rundeck.

Environment&Tools:AWS-Cloudwatch,S3,EC2,IAM,AMI,ELB,Auto-scaling,VPC,Docker,Docker Marthon, Jenkins,Ansible,Git,Github,Python,Nagios, Python, Shellscripts, Ruby, PowerShell, Rundeck, Bash.

Responsibilities:
• Worked on Amazon Cloud Based technologies in auto scale, highly resilient, fault tolerant environment in both Linux and Windows environment.
• Experience with AWS Cloud formation and launch configurations to automate repeatable provisioning of AWS resources for applications.
• Strong hands on experience with AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
• Work on AWS Data Pipeline to configure data loads from S3 into Red shift. Write end to end test cases as well as fix and maintain regression automation test scripts for end to end testing using Ansible.
• Experience in automation technologies like, Chef, Puppet, Run deck, Ansible, Jenkins, fitness, Bamboo, Cruise Control, Selenium Grid/RC/Web driver, Maven, Ant, Junit benchmark, J meter, Blaze meter, Browser stack, Sauce Labs.
• Collaborate in the automation of AWS infrastructure via Terraform and Jenkins - software and services configuration via puppet manifest. Develop CI/CD system with Jenkins on Google's Kubernetes container environment, utilizing Kubernetes and Docker for the runtime environment for the CI/CD system to build and test and deploy.
• Wrote Ansible playbooks to manage configurations and automate installation process. Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with Dev/Test/Prod Branching Model for weekly releases
• Developed Perl and shell scripts for automation of the build and release process.
• Docker, worked on containerization technologies to build and deploy services as images to cloud environment, also integrated the process as part of build pipeline. In Jenkin 's every time it builds a new image, test the image and push to the repository.
• Changed the AWS infrastructure Elastic Beanstalk to Docker with Kubernetes. With this change provided better performance and easier management of the production environment.
• Created Azure Web Application projects, updated and deployed ASP.NET Web apps, Web Jobs using visual studio, GitHub and Azure Resource Manager.
• Create, Configure and Deploy applications in AWS IaaS and PaaS, Oversee the provisioning of all SaaS environments: Production, Test, Staging, Sales product environments. Environment: Git, GitHub, Maven, Jenkins, Web Logic, JIRA, JAVA/J2EE, Shell Script, Nexus, Chef, Tomcat, Node, RHEL, ANT, MAVEN, LINUX, XML, J Boss, Python, Redis, MYSQL, Nagios, Splunk, JIRA, ELB, RDS, Route53, ECS, cloud formation, Tera form, Kubernetes, Docker, Iaas, Paas, Saas, MVC framework.

Responsibilities:

• Worked on Amazon Cloud Based technologies in auto scale, highly resilient, fault tolerant environment in both Linux and Windows environment.
• Experience with AWS Cloud formation and launch configurations to automate repeatable provisioning of AWS resources for applications.
• Strong hands on experience with AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
• Work on AWS Data Pipeline to configure data loads from S3 into Red shift. Write end to end test cases as well as fix and maintain regression automation test scripts for end to end testing using Ansible.
• Experience in automation technologies like, Chef, Puppet, Run deck, Ansible, Jenkins, fitness, Bamboo, Cruise Control, Selenium Grid/RC/Web driver, Maven, Ant, Junit benchmark, J meter, Blaze meter, Browser stack, Sauce Labs.
• Collaborate in the automation of AWS infrastructure via Terraform and Jenkins - software and services configuration via puppet manifest. Develop CI/CD system with Jenkins on Google's Kubernetes container environment, utilizing Kubernetes and Docker for the runtime environment for the CI/CD system to build and test and deploy.
• Wrote Ansible playbooks to manage configurations and automate installation process. Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with Dev/Test/Prod Branching Model for weekly releases
• Developed Perl and shell scripts for automation of the build and release process.
• Docker, worked on containerization technologies to build and deploy services as images to cloud environment, also integrated the process as part of build pipeline. In Jenkin 's every time it builds a new image, test the image and push to the repository.
• Changed the AWS infrastructure Elastic Beanstalk to Docker with Kubernetes. With this change provided better performance and easier management of the production environment.
• Created Azure Web Application projects, updated and deployed ASP.NET Web apps, Web Jobs using visual studio, GitHub and Azure Resource Manager.
• Create, Configure and Deploy applications in AWS IaaS and PaaS, Oversee the provisioning of all SaaS environments: Production, Test, Staging, Sales product environments.

Environment: Git, GitHub, Maven, Jenkins, Web Logic, JIRA, JAVA/J2EE, Shell Script, Nexus, Chef, Tomcat, Node, RHEL, ANT, MAVEN, LINUX, XML, J Boss, Python, Redis, MYSQL, Nagios, Splunk, JIRA, ELB, RDS, Route53, ECS, cloud formation, Tera form, Kubernetes, Docker, Iaas, Paas, Saas, MVC framework.

Responsibilities:

• Involved in identifying build errors in the system and identify the build issue and escalate it to the concerned team after careful analysis. Work and coordinate with them to get the fix in the release.
• Worked on Continuous Integration System i.e. Jenkins. Used Jenkins for official nightly build, test and managing change list. Installed Multiple Plugins for smooth build and release build pipelines.
• Migrated out core repository from CVS NT to SUBVERSION. In this process I was involved in individually migrating the entire code base from CVS NT to subversion ensuring that health of our builds isn't affected. Performed high level merges of branches, code bases.
• Maintained Maven/Ant and streamlined the entire build system. And managed build and release infrastructure, optimized build scripts and introduced a better way of releasing RPMs with effective tracking.
• Maintained build related scripts developed in ANT, Python and shell.
• Involved in administrating continuous Integration system like Jenkins and handled escalations from developers across the globe.
• Modified ANT scripts to build the JAR's, Class files, WAR files and EAR files from VOB's for Java applications and MS builds for all .Net applications. Enhanced Maven pom.xml with additional plugins for robust builds.
• Building & configuring Red hat Linux systems over the network, implementing automated tasks through crontab, resolving tickets according to the priority basis.
• Create and maintain nightly builds, hot fix builds/branches, custom and private builds.
• Used knowledge of .NET to Implement and maintained branching and build/release strategies for .NET applications utilizing TFS. Co-ordinate with offshore team in completing delivery and helping them out in TFS related issues
• Designed, developed, enhanced and maintained Web based UI for monitoring purposes and scripted reporting tools (in PHP &BASH) for verifying the build logs for frequently observed build and test issues.
• Key member of the build team that works on how to reduce build time. We used cache to reduce compilation time and redundancies.
• Active participant in software configuration and change management processes to improve build accuracy, time, version controlling, and migration of code onto different build environments.

Environment: CVS NT, SVN, TFS, Jenkins, Maven, Bash, Sonar, ANT, Apache Tomcat, Shell and python.

Responsibilities:

• Installed, Configured and administrated of all UNIX/LINUX servers, includes the design and selection of relevant hardware to Support the installation/upgrades of Red Hat (5/6), CentOS 5/6, Ubuntu operating systems.
• Developed Cookbooks, Recipes, Resources and Run lists using chef and Ruby.
• Responsible for managing the Chef client nodes and upload the cookbooks to chef-server from Workstation
• Used Agile/scrum Environment and used Jenkins, GitHub for Continuous Integration and Deployment
• Used pearl, Python and Ruby as scripting language to automate the tasks.
• Used chef to configure/install web servers, database servers.
• Configured Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes.
• Creating and modifying the manifest as per the requirement on puppet.
• Configured and Administered Apache, VSFTPD services, MYSQL and Tomcat.
• Participating in 24x7 production on-call support of Linux and provided technical support to users.
• Configured various alerts, captured support logs and configured resource pools utilizing Cisco UCS Manager.
• Implemented rapid provisioning and life cycle management for Redhat LINUX using kickstart.
• Expertise in security hardening (iptables/selinux) major Production Servers, and compiling, building and installing web server based Linux tools.
• Experience in performing, uploading and upgrading new firmware on the Interconnects and Chassis.
• Implement and maintain internal systems key to DevOps operations such as database servers, continuous integration, and QA/Test servers
• Expertise in creating VM Templates, cloning and managing Snapshots.
• Troubleshooting performance or configuration issues with MySQL and Oracle.
• Expertise in hardening, Linux Server and Compiling, Building and installing Apache Server from sources with minimum modules.
• Monitoring and troubleshoot backups and schedule Cron jobs.
• Worked on configuring NIS, NFS, DNS, DHCP, FTP, FSTP, Telnet and RAID levels.
• Experience in scripting using BASH & PERL, Mail Server, Samba Server, Apache Server.
• Experience in database replication using OCFS2 file system with oracle 10g and 11g database
• Experience in deploying several sets of Linux guest builds from VMware templates using PowerCLIas well as Red Hat Satellite Server.
• Resolving assigned remedy tickets and remedy tools in Development/QA/Staging/Production.
• Patch management of servers and maintaining server's environment in Development/ QA staging/ Production

Environment: RHEL 4.x/5/6, Solaris 9, 10&11, HPUX, Centos, SUSE 10, 11, VERITAS Volume Manager 3.x/ 4.x, VERITAS Storage Foundation 5, Redhat Cluster, VERITAS Cluster Server 4.1, Tripwire, NFS, DNS, SAN/NAS, Puppet, Chef, Splunk