SUMMARY

• Experienced in AWS Cloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, CloudWatch, Cloud Trail, CloudFormation AWS Config, Autoscalling, CloudFront, IAM, and S3.
• Installation, configuration and performance troubleshooting of Red Hat Enterprise Linux (RHEL 5, 6, 7) and Solaris 10, 11 with AIX and VMware
• DevOpsexperience with PUPPET, CHEF,AWSand OpenStack.
• Developed Chef Cookbooks and Recipes to manage systems configuration.
• Experience in branching, tagging and maintaining the version across the environments working on Software Configuration Management (SCM) tools like Subversion (SVN) and GIT.
• Experience in cloud stack such asAWS(cloud formation) and VMWARE stack.
• Ability to build deployment, build scripts and automated solutions using scripting languages such as Shell scripting, Python, Ruby, PHP PERL.
• Experience in Administration for various environments in software development life cycle (SDLC) Windows, Ubuntu, and involved in developing manifests.
• Extensively worked on Jenkins by installing, configuring and maintaining for continuous integration (CI) and for End to End automation for all build and deployments.
• Extensive experience with software Build automation and standardization tools like ANT, Maven.
• Good knowledge in CI (Continuous Integration) and CD (Continuous Deployment) methodologies.
• Strong ability to troubleshoot any issues generated while building, deploying and in production support.
• Extensive knowledge on resolving issues during migrations toAWSCloud.
• Detailed technical knowledge and hands - on experience ofAWS,DevOps, Automation and Configuration Management.

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Sr. DevOps/Linux Engineer

Responsibilities:

• Implemented continuous deployment of code as well as configurations, automation tests, integration/deployment scripts, and metadata. Automatically integrated, deployed Gradle, Rake (Ruby), Bamboo, Jenkins, and Nexus, and validated the code Cucumber/Selenium up to staging environment (AWS Cloud).
• Configured the Jenkins server and created build agents for the build automation and directly deploying into the IIS server.
• Written PowerShell scripts for running of the SQL Scripts for creation of the databases.
• Written Batch scripts for the silent installations of the software like SQL server 2008 r2.
• Implemented the agile methodology in the development team. Like test driven development.
• Created the workflow of Git for the teams.
• Provided a Branching structure for the development teams.
• Created the documentation of setting up of GitHub enterprise on premises.
• Coordinated with different developments teams, Gathered information and established Continuous integration and Continuous delivery pipelines according to the team Requirements.
• Automated the process of deploying the web applications from slaves to IIS servers using the Microsoft web deploy tool through Jenkins server.
• Monitored and upgraded the GitHub enterprise software.
• Built new servers and production support for Red Hat Enterprise Linux and Solaris servers
• Patch management using yum repositories on satellite sever, puppet and chef
• Installing, and configuring default and third-party packages on RHEL Linux and Solaris 10,11 servers Using, yum, and rpm utilities.
• Setup, configure and troubleshooting TCP/IP, DHCP, DNS, NFS, SSH, CIFS and SAMBA on Multiplatform (Solaris 10 and RHEL/centos)
• Performs Monitoring and Log Management on Unix Solaris 10,11 and Red Hat Enterprise Linux, Centos servers; including Processes, crash dumps and, swap management, with password recovery and performance tuning.
• Monitoring Linux/centos servers using command line tools and with nagios software. Administer, Configure and TroubleshootVERITAS Volume Manager,File Systemsand VERITAS Cluster Server.
• Created and configured volumes on Solaris 10,11 systems with volume managers such as SVM, ZFS, VERITAS volume manager including LAN-wide FreeNAS X86.
• Configured and managed storage volumes such as LVM and VERITAS on Red Hat Linux/centos systems.
• Experience on working with Ansible
• Installed and configured ISCSI Utility on Red Hat Enterprise Linux/Centos 6.4 server for Network Attached Storage.
• CreatedDockerimages using spotify Maven Plugin, for deployment ofmicroservices.
• Configured and monitored distributed and multi-platform servers using Nagios.
• Understanding of secure-cloud configuration, (CloudTrail, AWS Config), cloud-security technologies (VPC, Security Groups, etc.) and cloud-permission systems (IAM).
• Experience with threat modeling, especially for web application and web APIs.
• Implementing a Continuous Delivery framework using Jenkins, Chef, Maven, Nexus & puppet in Linux environment.
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Configuring the Docker containers and creating Docker files for different environments.
• AWS Cloud management and Chef Automation.
• Configured Elastic Load Balancers (ELB) with EC2 Autoscalling groups
• Created monitors, alarms and notifications for EC2 hosts using CloudWatch
• Migrated applications to the AWS cloud
• AzureAutomation (cloud and on-premises) solution development for Microsoft POC engagements
• Performed Mechanization Puppet and Chef.

Confidential, St. Louis, MO

DevOps Engineer

Responsibilities:

• Responsible for distributed applications across hybrid AWS and physical data centers.
• Automation of jobs using Perl and Shell scripting. Automated patching efforts with custom scripts.
• Build server deployment on AWS Cloud (EC2) servers with help of DevOps tools like Puppet.
• Release Engineer for a team that involved different development teams and multiple simultaneous software releases.
• Extensive Development experience in creating web applications and web services to integrate in house tools in efforts to create an automated infrastructure.
• Developed web services using Spring Boot, Hibernate. Comfortable creating REST services.
• Participated in weekly release meetings with Technology stakeholders to identify and mitigate potential risks associated with the releases.
• Designed and implemented Mongo DB Cloud Manager for Google Cloud
• Responsible for designing and deploying best SCM processes and procedures.
• Coordinate/assist developers with establishing and applying appropriate branching, labelling/naming conventions using GITsource control.
• Installed, administered and configuredJenkinsContinuous Integration (CI) tool.
• Developed build and deployment scripts using ANT and Mavenas build tools in Jenkinsto move from one environment to other environments.
• Worked with the development team to migrate Ant scripts to Maven.
• Researched and implemented code coverage and unit test plug-Ins with Maven/Jenkins.
• Worked on Integrated JIRA with subversion and Jenkinsto automate the weekly build process.
• Used Mavendependency management system to deploysnapshot and releaseartifacts to Nexus to share artifacts across projects.
• Designed and implemented Data Model for UDW Transition from ORACLE&SQL server to Google Cloud
• Configured and maintained Jenkinsto implement the CI process and integrated the tool with Ant and Mavento schedule the builds.
• Deployed Java/J2EE applications to WebLogic server using Jenkins.
• Implemented the setup for Master-slave architecture to improve the Performance ofJenkins.
• Installed, configured & administered Jenkins CI tool on Linux machines; setup Master-slave architecture to improve performance and used Jenkinsfor CI & CD into Tomcat Application Server.
• Integrated JIRA, Confluence, and Bamboofor automating the CM process.
• Setup and configuredBamboofor Continuous Integration and Release Management.
• Configured Bambooto send out various kinds of build related notifications including email and IDE.
• Setup ContinuousDeployment for the various test environments utilizing Bamboo.
• Designed, Installed and Implemented Ansibleconfiguration management system.
• Used Ansibleto manage Web applications, Environments configuration Files, Users, Mount points, and Packages.
• Creating custom roles and playbooks in Ansible. Using Templates and JSON files in Ansible and deploying on Marathon.
• Used AWSlambdato run servers without managing them and to trigger to run code by S3 and SNS.
• One click Automation script to trigger push to production from Jira, invoke Buildin Jenkinsand deploy to target servers.
• Configuration Ansibleplaybooks for OpenStackdeployment.
• Implemented multi-tier application provisioning in Open Stackcloud, integrating it with Puppet.
• Experience working with continuous delivery and build clouds with Open Stack.
• Worked with Ansibleplaybooks for virtual and physical instance provisioning, configuration management, patching and software deployment on Open Stackenvironments through automated tools, Ansible/custom pipeline.
• Created scripts in Python which integrated with Amazon API to control instance operations.
• Used Subversion as source code repositories and Managed SVN repositories for branching, merging and tagging.
• Analyze and resolve conflicts related to themerging of source code for GIT.
• Used Jenkins for Continuous Integration and deployment into Tomcat Application Server.
• Deployed Java/J2EE applications to Application servers in an Agile continuous integration environment and also automated the whole process.

Confidential, St. Louis, MO

Linux Engineer

Responsibilities:

• Tier 1-3 support for Production environment
• Data center migration and consolidation activites
• Solid understanding of Linux shell and Perl scripting, UNIX, Windows, build and release engineering principles
• Posting the build on time & following it up the testing team on posted builds until the specified release goes LIVE
• VERITAS Volume Manager 4.x/5.x and Solstice Disk suite (SVM) RAID configuration, troubleshooting, maintenance, disk management & space allocation etc.
• MigratedSunServer (Around 1000) and HP Servers (Around 300) Lift and Shift from Old Data Center to New Data Center on a Weekly Basis.
• Installation Configuration troubleshooting & maintenance ofVERITAS cluster.
• REDHAT Enterprise Linux 3, 4 Installation on various servers using Kick start and configuration & support for various applications run on Linux environment.
• Performed Mechanization Puppet and Chef.
• Exclusively done Oracle Migration from 4 Node Cluster to 4 Cluster and also 6 Node to 2 Node.
• Performed SRT testing before bring the Cluster into the Production.
• Migrated VERITAS Disk Groups using Deport and Import Techniques.
• Day to day duties for UNIX/Linux server Maintenance and Support to developer's team for their issues with application, tuning, troubleshooting, software running on UNIX/Linux Servers.
• Disaster Recovery operation setup & checkup at contracting facility
• Performed e in installing, configuring and trouble -Shooting web servers like IBM HTTP Web Server, Apache Web Server, WebSphere Application Servers, and Samba Server on Linux (Redhat & CentOS).
• Automation scripts for weekly and monthly backups in Perl and shell
• UNIX Server monitoring for maximum availability using BMC patrol and other monitoring tools and taking steps to keep servers up and running under 24x7 environment for maximum uptime.
• 24x7 support for the UNIX servers. Rotating on call pager responsibilities for Production environment.

Confidential

Linux Systems Admin

Responsibilities:

• Provide 24x7 System Administration support for Red Hat Linux 3.x, 4.xservers and resolved trouble tickets on shift rotation basis.
• Installation, maintenance and regular upgrades of Red Hat Linux Servers using kickstart based network installation
• Provide support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
• Managing Compaq and Linux workstations and servers.
• Installation of patches and other software packages
• Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.
• Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain,
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• Installation and configuration of Oracle 7.x/8.x.
• Implementing NFS, DNS and NIS under SUN.
• Performing administration of the Domain Name Server and configuration of the Database Files.
• Writing Bash shell scripts for getting information about various Linux servers
• Installation and Configuration Sendmail Utility on Sun UNIX Servers.
• Administering NFS Mounts.
• Troubleshooting Backup and Restore problems Creation of LVMs on SAN using Linux utilities
• Monitoring overall system performance, performed user management, system updates and disk & storage management
• Performing OS upgrades and Patch loading as and when required.
• Backing up and restoring files across the network
• Writing Technical documentation for various projects and worked with Technical writer
• Deploying the EAR and WAR archives into WebLogic and Apache Servers.
• Configuring and Maintaining Apache web servers for Release Management Team’s internal use.
• Turnover documentation monitors status of actual production turnover.