PROFESSIONAL SUMMARY:

• Have 9 years of experience in Linux Administration, Configuration Management, Continuous Integration, Continuous Deployment, Release Management and Cloud Implementations.
• Implemented continuous integration and deployment using various CI/CD tools like Jenkins, GIT.
• Extensive experience in using Build Automation DevOps tools like ANT, Maven, Artifactory/Nexus, Hudson/Jenkins, Puppet/Chef/Ansible, AWS ( Confidential ).
• Experience in AWS Cloud Computing services, such as EC2, S3, EBS, VPC, ELB, Route53, Cloud Watch, Security Groups, Cloud Trail, IAM, Cloud Front, RDS and Glacier.
• Experience on Confidential for deploying EC2 instances consisting of various flavours like Amazon Linux AMI, Red Hat Linux Enterprise, SUSE Linux, Ubuntu server, Microsoft Window Server2012.
• Hands on experience on using Elastic Block storage and S3 buckets for data storage.
• Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment.
• Experience in configuring and managing Puppet master server and experience in updating and creating modules and pushing them to puppet clients.
• With the help of DevOps tools like ansible, Run deck, Jenkins.
• I can create on demand AWS instances and setup test environments, perform deployments on the fly and can destroy the instances once the testing phase is complete.
• Administration of Production, Development and Test environment’s carrying Windows, Ubuntu, RedHat Linux, SUSE Linux, Centos and Solaris servers.
• Experience supporting Chef Environment with 200+ servers and involved in developing manifests.
• Experienced in branching, tagging and maintaining the version across the environments using SCM tools like GIT on Linux and windows platforms.
• Configured Various Network services such as LDAP, NFS, NIS, DHCP, DNS and Send mail in RedHat Linux.

TECHNICAL SKILLS:

Versioning Tools: GIT

Cloud Technologies: AWS

CI/CD Tools: Jenkins, Puppet, Chef, Ansible, Nexus, Docker

Build Tools: ANT, MAVEN

Scripting: Shell, Python, Perl

Web Technologies: HTML, JavaScript, XML

Web servers: Web logic, WebSphere, Apache Tomcat, JBOSS

Databases: Oracle, SQL SERVER, MYSQL, DB2

Operating Systems: Windows, UNIX, RHEL, CentOS, Solaris

Virtualization: VMware vSphere, ESXi

Bug Tracking Tools: JIRA, Remedy, HP Quality Center, IBM ClearQuest

WORK EXPERIENCE:

Senior DevOps/AWS Engineer

Confidential, Dallas, TX

Responsibilities:

• Configured Ansible to manage AWS environments and automate the build process for core AMIs used by all application deployments including Auto scaling, and Cloud formation scripts.
• Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control.
• Managed GIT branching and merging for older projects in multiple simultaneous releases.
• Provided end - user training for all GitHub users to effectively use the tool.
• Automated Weekly releases with Maven scripting for Compiling Java Code, Debugging and Placing Builds into Maven Repository.
• Installed and Configured the Nexus repository manager for sharing the artifacts within the company.
• Worked on deployment automation of all the micro services to pull image from the private Docker registry and deploy to Docker swarm cluster using Ansible.
• Created Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of AWS Nodes.
• Experience in building new application and deployment through ANSIBLE and managing them in production environment.
• Developed Python career path through professional development while working on Python projects.
• Analyzed frequently occurring system breaks and automated fixes in Python/UNIX.
• Worked on creation of Ansible manifest files to install tomcat instances and to manage configuration files for multiple applications.
• Completely responsible for automated infrastructure provisioning (Windows and Linux) using Ansible Scripts.
• Responsible for automated installation of Ansible Enterprise 2.7 and configuring Ansible Master and Ansible Agents (both Windows and Linux Environments) in AWS VPC environment.
• Responsible for automated deployment of Java application in Tomcat Server using Ansible scripts.
• Responsible for automated identification of application server and database server using Ansible scripts.
• Implemented multi-tier application provisioning in open stack cloud, integrating it with Ansible, migrating the application using Maven as build tool.
• Worked with Docker for convenient environment setup for development and testing.
• Installed Ansible Registry for local upload and download of Docker images and even from Docker hub.
• Automated various infrastructure activities like Continuous Deployment, Application Server setup, Stack monitoring using Ansible playbooks and has Integrated Ansible with Jenkins.
• Managed existing infrastructure and created new infrastructure using Ansible as Configuration Management tool.
• Ran Ansible playbooks and created various roles for applications, then deployed the Applications/Services on hosts.
• Used Ansible to manage systems configuration to facilitate interoperability between existing infrastructure and new infrastructure in alternate physical data centers or cloud (AWS).
• Automated delivery pipeline using integration and infrastructure tools GIT, Jenkins and Ansible.

Environment: GIT, Jenkins, Maven, Ansible, AWS EC2, Python Scripts, RHEL, CentOS, UNIX, JIRA, Docker.

DevOps / Cloud Engineer

Confidential - Charlotte, NC

Responsibilities:

• Experience in Continuous Integration (CI) and Continuous Deployment (CD) using Jenkins
• Developing automated process for code builds and deployments; Jenkins, Ant, Maven, Sonar type Nexus, Shell Script, Perl, Java.
• Integrated Maven with Shell scripts created in Bash to automate the deployments for the Java based applications.
• Managed the deployment activities for multiple server instances by enabling password less communication between the servers and utilizing utility in the shell scripts.
• Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain as a CI/CD process, GIT with Dev/Test/Prod Branching Model for weekly releases.
• Automated the build and release management process including monitoring changes between releases.
• Implementing new projects builds framework using Jenkins & Maven as Build framework tools.
• Deployed Kubernetes clusters on top of Amazon EC2 Instances using KOPS and Managed local deployments in
• Kubernetes, creating local cluster and deploying application containers and building/maintaining Docker container clusters managed by Kubernetes and deployed Kubernetes using HELM Charts.
• Integrated Docker container orchestration framework using Kubernetes by creating pods, Config Maps and deployments.
• Worked on Kubernetes and Docker images to provide platform as service on private and public cloud in VMware Cloud.
• Used Kubernetes to manage containerized applications using its nodes, ConfigMaps, selector, Services and deployed application containers as Pods.
• Worked on creating Docker Containers and Docker consoles for managing the application life cycle.
• Designed and Developed Jenkins Builds deployments on Docker containers.
• Implementing a Continuous Delivery framework using Jenkins, Chef and Maven in Linux environment.
• Written wrapper scripts to automate deployment of cookbooks on nodes and running the chef client on them in a Chef-Solo environment.
• Installed and setup Chef for planning and designing of GUI for automation purpose using cloud forms, Design RPM packages for installation and configuration thorough chef resource.
• Converting production support scripts to Chef Recipes.
• Testing of Cookbooks with Chef-Spec.
• Setting up client server model of Chef in development environment of OCI.
• Worked on documentation - Chef Basics, Initial setup of Chef, Data bags implementation, Coding standards, Cookbook document, testing docs.
• Using Chef deployed and configured Elastic search, Logstash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda and CloudWatch.
• AWS server provisioning using Chef Recipes. Using CloudTrail, Cloud Passage for AWS security and scanning Involved strongly in administration and
• Engineered Jenkins for managing weekly Build, Test and Deploy chain as a CI/CD process.
• Managed the configurations of the instances using Chef. Written and modified various Cookbooks/ Recipes for better management of the systems.
• Built and managed a large deployment of Ubuntu Linux instances systems with Chef Automation and written recipes, tools, shell scripts, and monitoring checks.
• Used Chef to manage Web Applications, Config Files, Database Commands and Packages.
• Work station setup for Knife plug-in and establish connectivity between Chef Server and workstation.
• Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife.
• Designed and implemented Chef, including the internal best practices, cookbooks, automated cookbook CI and CD system. Made use of Jenkins for Chef CI,
• Thor for versioning, Berkshelf for dependency management, and Test-Kitchen for testing and development.
• Migrated VMWARE VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, EBS etc with Ops code Chef Cookbooks/Recipes.
• Rapid-provisioning and configuration management for Ubuntu using Chef on Confidential .
• Managing Confidential (AWS) infrastructure with automation and configuration management tools such as Chef. Designing cloud-hosted solutions, specific AWS product suite experience.
• Experience in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load Balancer (ELB), Auto scaling groups, AMIs.
• Experience involving configuring S3 versioning and lifecycle policies to backup files and archive files in Glacier.
• Designed highly available, cost effective and fault tolerant systems using multiple EC2 instances, Auto Scaling, Elastic Load Balance and AMIs.

Environment: AWS S3, Glacier, EBS, Elastic Load balancer (ELB), Auto Scaling Groups, Jenkins, Maven, GIT, Chef.

DevOps Engineer

Confidential - Oldsmar, Fl

Responsibilities:

• Release Engineer for a team that involved different development teams and multiple simultaneous software releases.
• Used Subversion as source code repositories.
• Developed Shell/Python Scripts for automation purpose.
• Implemented multi-tier application provisioning in AWS, integrating it with Puppet . Deployed Puppet, Puppet dashboard for configuration management to existing infrastructure.
• Used Puppet to manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, and Packages.
• Maintained Puppet servers and management application that can use ServiceNow (CI) data to bring computers into a desired state by managing files, services, or packages installed on physical or virtual machines.
• Worked with Puppet which is used to manage Linux but later versions support Microsoft Windows.
• Wrote Ruby Scripts, Python Scripts, Perl Scripts, Shell Scripts to deploy the java-based packages like ear and war on the Web Logic App server.
• Deployment and configuration of Puppet, Puppet Dashboard, and Puppet DB to increase the efficiency of configuration management.
• Managing the configurations on the servers using puppet.
• Involved in deploying new manifests and modules to numerous puppet clients for System and Application Configuration Management.
• Server configuration management via Puppet.
• Created plan and deploy Nagios monitoring server environment.
• Resolved merging issues during rebasing and re-integrating branches by conducting meetings with Development Team Leads.
• Responsible for designing and deploying best SCM processes and procedures.
• Used Puppet to automate Configuration management & Applications.
• Used Puppet to manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, and Packages.
• 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.
• Installed Jenkins/Plugins for GIT Repository, Setup SCM Polling for Immediate Build with Maven and Maven Repository (Nexus Artifactory) and Deployed Apps using custom ruby modules through Puppet as a CI/CD Process.
• Managing Confidential (AWS) infrastructure with automation and configuration management tools such as Puppet, designing cloud-hosted solutions, specific AWS product suite experience.
• Installed/Configured/Managed Puppet Master/Agent. Wrote custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Up-gradation or Migration of Puppet Community and Enterprise.
• Deploy and monitor scalable infrastructure on Confidential (AWS) & configuration management using puppet.
• Installing, configuring and administering Jenkins CI tool on Linux machines.
• Implemented the setup for Master slave architecture to improve the Performance of Jenkins.
• Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control.
• Analyze and resolve conflicts related to merging of source code for GIT .
• Installed and Configured the Nexus repository manager for sharing the artifacts within the company.

Environment: AWS, Puppet, RHEL, CentOS, Shell/Python Scripts, SCM, GIT, Jenkins, Tomcat, JIRA

DevOps Engineer

Confidential - Sunnyvale, CA

Responsibilities:

• Setting up and installing dedicated Jenkins servers for each project.
• Use Jenkins to perform Continuous Integration, create new builds and perform troubleshooting daily.
• Creating builds for Continuous Integration (CI) in each server
• Setting up Octopus deploy for Continuous Deployment (CD)
• Extensively used source control repositories such as GIT, GitHub.
• Extensively used Amazon Web Service S3 to upload and download data used in Encarta project.
• Used AWS for Cloud development and migrating physical servers to AWS cloud.
• Good understand of Knife, Chef Bootstrap process etc.
• Maintained configuration files for each application for build purpose and installed on different environments.
• Create and attach volumes on to EC2 instances
• Configure AWS VPC with public and private subnets
• Presented reports to the Project manager about the progress and issues tracking key project Milestones, plans and resources.
• Worked on Confidential daily to work on EC2 instances, S3 buckets, Amazon Glacier and EBS.
• Used Amazon IAM service to administer the AWS users.
• Worked on GitHub daily for as a version control tool.
• Worked closely with the team to review code for compatibility issues, resolve issues as they arise, and implement deployment processes and improvements on a continuous basis.

Environment: GIT, AWS, Bash Scripting, Jenkins, Chef, MySQL.

System Administrator

Confidential - Detroit, Michigan

Responsibilities:

• Responsible for Installation, configuration, Maintenance, Deployments, Update, Monitoring, performance tuning on Linux.
• Installing, configuring and administration of CentOS 5.x, Solaris 9, 10, 11, RHEL4.x/5.x/6.x, Windows Server 2008-R2.
• Planned, scheduled and implemented OS patches on Linux boxes as a part of proactive maintenance.
• Create, maintain and troubleshoot Disk Partitioning, LVM and file management.
• Performed backups and restoration on several Linux LPAR’s.
• Created users and managed user permission on the Linux servers.
• Modify Kick-start based server profiles and hardware specifications.
• Perform Kick-start/PXE installations of RHEL.
• Monitored Linux servers round the clock and identified, troubleshooting the system issues and finding the optimal solution.
• Created Crontab to run a job at scheduled time.
• Monitoring CPU, memory, physical disk, hardware and software raid, multipath, file systems, network.
• Deployment and configuration of application server tomcat deploying java and web application.
• Responsible for the maintenance of DHCP, DNS, LDAP, AD and NFS services on Windows and RHEL in Development environments.
• Configure TCP/IP, network interface, assign static routes and hostnames.
• Writing shell scripts for automation of daily tasks, documenting the changes that happen in the environment and in each server, analysing the error logs, analysing the user logs.
• Automated repetitive tasks using Perl and Shell scripting.
• Written Perl/Shell scripts for deployments to WebSphere Application servers
• Identify, troubleshoot, and resolve problems with the OS build failures.
• Performing kernel and database configuration optimization, I/O resource utilization on disks.
• Involved in Virtualization with VMware vSphere, ESXi 3.1/4.0 servers, vCenter server and vCenter.
• Disk and File system management through Logical Volume Manager (LVM) on HP-UX, LINUX and Solaris Volume Manager (SVM) on Solaris.
• Performed Physical to Virtual (P2V) migration of approximately 50 physical servers using VMware Converter.
• Performed backup and restore of VMware host server configuration, Virtual Machine backup, snapshots, Patch updating, monitoring/reporting, SSH and SNMP and notification of alerts.

Environment: RedHat 5.x, CentOS 5.x, Solaris 9,10,11, Windows R2 2008, VMware vSphere 3.1/4.x, ESXi 3.1/4.x, TCP/IP, NFS, Samba, NFS, LVM, LPAR, Kickstart, Solaris Volume Manager (SVM), Perl, Shell.