PROFESSIONAL SUMMARY:

• Over 8 years of experience in Information Technology as a System admin and solution - based IT services for Linux and Windows Systems.
• Experience with the use of the Various AWS services which includes IAM, S3, Cloud Front, EC2, EBS, AMI, ELB, Cloud Watch, VPC, Auto Scaling, SQS, SNS, ELB and EFS .
• Automated the tasks by writing the shell scripts, Python and PowerShell to automate.
• Supported the implementation of the Continuous Integration, DevOps, Release Management and Environment Management.
• Evaluate various Builds / Continuous Integration / Continuous delivery and DevOps tools and process.
• Designed and implemented Software configuration management ( SCM ) and change management (CM) solution using TFS , Rational Clear Case, Jira, Clear Quest (Change Control tool).
• Responsible for training all employees on the use of Rational Clear Case Remote Client tools, Subversion (SVN), TFS .
• Experience in managing the large Cloud infrastructure, server provisioning through various automation tools like Chef, Puppet and Ansible .
• Working knowledge on writing the Chef Recipes for the deployment and re-used the same Recipes to deploy on the different platform.
• Written cookbooks in chef to automate the environment provisioning and implemented Roles, Data bags, environments in chef for environment management.
• Experienced in building and maintaining Docker infrastructure for SOA applications in agile environment.
• Deployed Docker Engines in Virtualized Platforms for containerization of multiple of multiple apps.
• Deployed the Docker containers in Kubernetes cluster and AWS EC2 for the different projects.
• Knowledge on leveraging the Amazon Web Services through AWS console and API Integration.
• Extensively worked on the Jenkins/Hudson/Bamboo/Docker/ Kubernetes by installing and configuring for End to End automation of builds and deployments.
• Configured Operators on Kubernetes applications and all its components, such as Deployments, ConfigMaps, Secrets and Services Experience in containerizing and migrating application to Kubernetes .
• Worked with EC2 Container service plugin in Jenkins which automates the master-slave configuration by creating the temporary slaves.
• Working knowledge on the core java and microservices.
• Collaborated with the development team to setup the continuous delivery environment using Docker.
• Designed high-availability, fault tolerance and cost -effective systems using multiple EC2 instances, Load Balancers and AMI’s.
• Experience in branching, tagging and maintaining the version control and source code management tools like GIT, GitLab, SVN on Linux and Windows Platform .
• Experience worked on the built tools like Maven, Ant .
• Hands on experience in various web servers like Apache Tomcat, Nginx .
• Managing virtual machine using VMware, AWS.
• Configured the NAGIOS monitoring system to the production server environment.
• In depth knowledge on core java concepts such as OOPS, Collections, Threading, generics, Exception handling.

TECHNICAL SKILLS:

• Cloud Computing AWS (EC2, ELB, DynamoDB, S3, CFT, IAM & others)
• Configuration Management Tools
• Chef, Ansible, Terraform
• Continuous Integration Tools
• Jenkins, Hudson
• Containerization Tools
• Docker, Kubernetes
• Version Control Tools
• GIT, Subversion, Bitbucket
• Build Tools
• MAVEN, ANT
• Artifactory
• JFrog, Nexus
• Web/App servers
• Apache Tomcat, Nginix, JBoss
• Languages/Scripting
• Shell scripting, Ruby / knowledge on Python
• Monitoring Tools
• Nagios, Splunk
• Bug Tracking Tools
• JIRA, Bugzilla
• Operating Systems
• LINUX - RHEL/CentOS/SUSE, Windows 2008/2012R2

PROFESSIONAL EXPERIENCE

Confidential, Silver Springs, MD

AWS/DevOps Engineer

Responsibilities:

• Extensively worked on the AWS Ec2 cloud services for installing, configuring and troubleshooting on Amazon Images like RedHat, Ubuntu and Windows.
• Managed and created Tomcat instances and deployed the test applications in EC2 instances in QA environment.
• Implemented the various services like VPC, Auto Scaling, S3, Cloud Watch, EC2.
• Worked with the different instances of EC2, AMI’s creation, managing the volumes and configuring the security groups.
• Worked with the AWS S3 services in creating the buckets and configuring them with the logging, tagging and versioning.
• Worked on the Cloud Watch to monitor the performance environment instances for operational and performance metrics during the load testing.
• Created the trigger points and alarms in Cloud Watch based on thresholds and monitored logs via metric filters.
• Knowledge on the Auto Scaling launch configuration and creating the groups with reusable instance templates for Automated Provisioning on demand on based on capacity requirements.
• Worked on the IAM service and creating the users & groups defining the policies and roles and Identify providers.
• Created AWS Lambda using java to perform event driven processing.
• Worked with REST and SOAP Webservices for data communications
• Experience in architecting and configuring secure VPC through private and public networks in AWS.
• Worked on the Chef server management console and understanding on various components of nodes, chef server and workstations.
• Automated the web application testing with Jenkins and Selenium.
• Installed and configured the code rules, keys of SonarQube for code analysis and created of Sonar Qube dash boards depends on the team roles to monitor.
• Implementing and maintaining Ansible Configuration management spanning several environments inVrealize and the AWS cloud.
• Responsible for managing cloud computing tool AWS and the code in ALMtool i.e., GIT (version controlling).
• Experience in docker Automation tools and builds and do an overall process improvement to any manual processes.
• Using the docker file containers has run for the MongoDB and linking it with new container which will be the client container to access the data.
• Worked on the docker network for setting up the private network and linking it to the container when it is spin up.
• Mirrored the Docker images required for Spinnaker from external registry to private Docker Registry.
• Kubernetes dashboard to access the cluster via its web-based user interface and implemented microservices on Kubernetes Cluster.
• Automated the deployment and replication of containers and scale in of the containers in the fly and worked on the docker swarm for the build-in orchestration.
• Configured Operators on Kubernetes applications and all of its components, such as Deployments, ConfigMaps, Secrets and Services Experience in containerizing and migrating application to Kubernetes.
• Created Jenkins on top of Kubernetes in team environment to remove dependencies on other teams.
• Worked on open source development tools like Docker Containers, Mesos and Kubernetes.
• Deployed the built Docker image on Mesos using Marathon. Using a multi-container setup deployed on Mesos

Environments: EC2, S3, VPC, IAM, Chef, Docker, Jenkins, Cloud Watch, Maven, Kubernetes, Apache Tomcat, Nagios, GIT, JIRA, Shell, New Relic, Red Hat Linux.

Confidential, Mooresville NC

Sr. DevOps Engineer

Responsibilities:

• Created the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a Continuous Integration system for all our products.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
• Performed the automation using Chef Configuration management and managed the infrastructure environment.
• Provisioned and managed Linux servers (EC2 instances) in AWS and supported DEV and TEST teams.
• Responsible for large-scale Chef implementation and maintenance, Chef Cookbook authoring, testing and implementation.
• Involving in AWS EC2/VPC/S3/SQS/IOT/SNS based automation through Terraform, Hbose, Ansible,Python, Bash Scripts. Adopted new features as they were released by Amazon, including ELB and EBS.
• DevOps role converting existing AWS infrastructure to Server-less architecture (AWS Lambda, Kinesis)deployed via terraforming.
• Used Chef to manage Web Applications, Config Files, Data Base, Commands, Users, Mount Points, and Packages.
• Installed and configured Jenkins for Automating Builds and Deployments through integration of Git into Jenkins to automate the code check-out thus providing an automation solution.
• Developed build and deployment scripts using Ant and Maven as build tools in Jenkins to move from one environment to other environments.
• Maintained and tracked inventory using Jenkins and set alerts when the servers are full and need attention.
• Worked with Docker for Portable deployment of applications as a single object versus process sandboxing.
• Took an active part by suggesting branching strategies and best practices to promote Parallel development and
• Agile development practices.
• Created bash shell scripts to support various performance and monitoring tasks.
• Involved in setting up Jira as defect tracking system and configured various workflows, customizations and plug-ins for the Jira bug/issue tracker.
• Installed, configured, administered Apache Tomcat Application Servers on Linux for multiple high-profile projects.
• Maintained and coordinated environment configuration, controls, code integrity, and code conflict resolution.
• Coordinated/assisted developers with establishing and applying appropriate branching, labeling/naming

Environment: Jenkins, Junit, Apache, Linux, Jira, Chef, Ec2, S3, ELB, Auto Scaling, Terraform.

Confidential, Chicago, IL

Build Engineer

Responsibilities:

• Configured pipeline jobs in Jenkins for the technology specific Apps for the standardization of build process
• Written shell scripts and Windows commands for the automation of the build jobs
• Handled dependency management by using Enterprise Artifactory repositories
• Part of the team which worked in creating Repos and handling the enterprise Artifactory security and admin
• Worked in moving all the third-party dependencies to enterprise Artifactory for the app dependencies
• Part of the Artifactory admin team. Worked in setting up security and role-based accesses to the Repositories
• Worked with App teams and configured the jobs as per the requirements
• Worked on the parameterized build jobs Gradle and Maven build jobs
• Creation of Jira projects and Confluence workspaces across different instances
• Currently working as Atlassian Systems Administrator handling JIRA, Confluence, JIRA Service Desk.
• Created custom templates for use within Confluence
• Creating different type of mail-in functionality to the Jira projects and workflows for the Jira Projects
• Coordinating and tracking all projects for seamless releases using Project Management System JIRA, Source Code Management System GitHub and Document Management System SharePoint
• Improved throughput and efficiency of build system by providing EO/managers rights to trigger required build
• Managed infrastructure resources in cloud architecture with close coordination with various functional teams.
• Used jUNIT unit testing framework for Java and RSpec for ruby, for test driven development.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) configuration management using Puppet.
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Puppet, or custom-built, specific AWS product suite experience.
• Installed/Configured/Managed Puppet Master/Agent.
• Developed custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Up gradation or Migration of Puppet Community and Enterprise.
• Worked in scripting languages Shell and Python
• Worked with different scanning plugins like SonarQube and Fortify

Environment: Linux, Java, Eclipse, Maven, Jenkins, Puppet, JBOSS Application Server, GIT, JIRA, Fortify, SonarQube, Confluence, Artifactory.

Confidential

Build Release Engineer

Responsibilities:

• Build, manage, and continuously improve the build infrastructure for software development engineering teams
• Including implementation of build scripts, continuous integration infrastructure and deployment
• Provided trainings to users on Subversion (SVN) and Jenkins tool management practices and other tools.
• Created Documentation for Application Deployment (WAR, JAR, EAR) in Domain and Clustered environments to achieve High Availability and Fail-over functionality.
• Installed and configured Subversion server on Linux via the Apache Web Server to provide access over the Http protocol.
• Participated in the release cycle of the product which involve environments like Development QA and UAT.
• Implemented & maintained the branching, merging and build/release strategies utilizing Subversion.
• Configured email and messaging notifications, managed users and permissions, and system settings by using Jenkins/Hudson
• Implemented and manipulated Shell scripts in conjunction with ANT for release and build automation to suit the requirement.
• Involved in editing the existing ANT (build.xml) files in case of errors or changes in the project requirements.
• Developed, maintained, and distributed release notes for each scheduled release.
• Involved in periodic archiving and storage of the source code for disaster recovery.
• Resolved merging issues during build and release by conducting meetings with developers and managers.

Confidential

Linux Administrator

Responsibilities:

• Disk Management, partitioning tools like fdisk, sfdisk etc. file system management ext3 file system & utilities (mke2fs, e2fsck, tune2fs) LVM physical volumes and logical volumes & volume groups extending file systems on LVM mount, unmount of file systems - /etc/fstab mount options disk quota.
• Installation and Configuration of RHEL4/5/6, Centos 5/6, Fedora.
• Implementing proper User Administration and file System Management in Linux.
• Scheduling the jobs and analyzing Cron jobs status.
• Worked with SAN team to create and manage storage using multipath, and LVM.
• Performance monitoring utilities like IOSTAT, VMSTAT, SAR and TOP
• Experience on package management via RPM, YUM.
• Experience in Networking File Sharing services - NFS, FTP and SAMBA.
• Installing and Configuration of Telnet, SSH and DHCP.
• Experience in Installation and Configuration of Apache web server.
• Experience in Monitoring & Health-Check of web and application server environments.
• Familiarity with Shell Scripting and automation.
• User administration, creating, modifying and deletion. Resetting UNIX account password.
• Installing applications on Linux flavors.
• Applying Quota limit on the file system, giving permission to user though ACL.
• Attending call' s as per the priority like P1 and P2 tickets and troubleshooting the issues.
• Resolving the network issue and resolving IP table and SE Linux issue.