SUMMARY

• Having 8+ years of experience in installation, configuration, maintenance and troubleshooting of various flavors of Linux and Unix which includes Red hat Linux, Ubuntu, CentOS, Sun Solaris and some Windows Servers.
• Worked on creating the internal cloud interface to manage the on - premise infrastructure.
• Architected and designed the Automic Orchestrator (CA) infrastructure according to client requirements.
• Written scripts in Automic DSL to integrate the Automic Tool with Jira, Puppet, Jenkins, Ant, Artifactory, WebLogic, Tomcat, SQL Databases.
• Enabled the communication between Application and Database servers by modifying the host firewall rules using the Puppet configuration management tool.
• Experience in writing the scripts in Ruby, PowerShell, Python, Bash and Groovy to automate the various system administration tasks.
• Automated the packaging and deployment of Java, Tibco, IOS and Android applications using Jenkins, Automic and Ant.
• Worked on end-to-end cycle in Unix/Linux environment, which includes but not limited to planning, designing, installation, configuration, maintenance, upgrading, deployment and production support.
• Strong use of Shell scripting languages including BASH for Linux and PowerShell for Windows systems. Experienced in DevOps team with exposure to various DevOps tools like Puppet, Jenkins, SVN, and Artifactory.
• ManagedGITandSVNas Source Control Systems. Experience creating branches, merging the branches with various code management tools.
• Experienced in Automating, Configuring and deploying instances on AWS, Azure environments and Data centers, also familiar with EC2, Cloud watch, Cloud Formation and managing security groups on AWS.
• In depth Knowledge of AWS cloud service like Compute, Network, Storage and Identity & access management.
• Built S3 buckets and managed policies for S3 buckets and used S3 bucket and Glacier for storage and backup on AWS.
• Management and Administration of AWS Services CLI, EC2, VPC, S3, ELB Glacier, Route 53, Cloudtrail, IAM, and Trusted Advisor services.
• Hands-on knowledge of software containerization platforms like Docker and container orchestration tools like Kubernetes and Docker Swarm.
• Automation of build process (Build Automation) using the Jenkins, Maven.
• Configured Puppet Server for monitoring and installing Puppet Agents in multiple Perform automated user management, installation and configuration of various services and backup-using Puppet.
• Configured the servers with the Dynatrace monitoring and monitored the performance metrics of the production servers.
• Analyzed the builds using the SonarQube and automated the test using the Selenium.
• Managed the binaries/build jars using the Artifactory Repository.

TECHNICAL SKILLS

Operating Systems: Red Hat Linux 6/7, Solaris 10/11, Cent OS, Ubuntu, and Windows OS

Network Service: DHCP, HTTP, POP, Samba, NFS, DNS, FTP/TFTP, SSH, TCP/IP, NTP, TELNET.

Database: Oracle 11g, 12c, MS SQL

Applications: Java, DotNet, WebSphere, TOMCAT, Apache, Web Logic.

DevOps: Puppet,Automic,SVN,GIT,Jenkins,Docker,AWS,Artifactory,Azure, Fisheye,Crucible,Jfrog X-ray.

PROFESSIONAL EXPERIENCE

Confidential, Dallas, TX

Sr. DevOps Engineer

Responsibilities:

• Worked on the installation, configuration and maintenance of Red Hat 6.x, 7.x Servers, Solaris, and Cent OS.
• Responsible for installation and upgrade of patches and packages on RHEL 6/7 using RPM & YUM.
• Configured Puppet Server for monitoring and installing Puppet Agents in multiple Perform automated user management, installation and configuration of various services and backup-using Puppet.
• Worked with the team to create a completePuppetDevelopment environment with promotion via Subversion.
• Installing, configuring and maintaining Continuous Integration, Automation and Configuration Management tools.
• Developing scripts for build, deployment, maintenance and related tasks using Jenkins, Maven, Ant and Bash.
• Manage user accounts, groups, and directories including permissions for files in Red Hat Linux.
• Installed, configured and maintained web servers like HTTP Web Server, Apache Web Server, WebSphere Application Server and Samba Server on Red Hat Linux.
• Creating fully automated CI build and deployment infrastructure and processes for multiple projects.
• Configured Build Pipeline views for upstream and downstream projects, Configured build, Radiator views for Jenkins jobs.
• Created a Continuous Delivery process to include support building of Docker Images and publish into Artifactory Repository.
• Responsible for installation & configuration of Jenkins to support various Java builds and Jenkins plugins to automate continuous builds and publishing Docker images to the Artifactory repository.
• Configured AWS Multi Factor Authentication in IAM to implement 2 step authentication of user's access using Google Authenticator and AWS Virtual MFA.
• Initiating alarms in Cloud Watch service for monitoring the server's performance, CPU Utilization, disk usage etc. to take recommended actions for better performance.
• Worked on creating security groups, network ACLs, Internet Gateways, and Elastic IP's to ensure a safe area for organization in AWS public cloud.
• Experience creating branches, merging the branches with various code management tools.
• Installed, Maintained, and UpgradedPuppetMasters, Agents, and Databases.
• Designed Puppet Modules to manage configurations and automate installation process.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds and automated the deployment on the application servers using the “code deploy” plugin for Jenkins.
• Continuous Delivery is being enabled through Deployment into several environments of Test, QA, Stress and Production using Jenkins.
• Maintained build related scripts developed in ANT and Shell. Modified build configuration files including Ants build.xml.
• Implement, maintain and support reliable, timely and reproducible builds for project teams.

Environment: RHEL 5/6/7, Shell & Perl Script, Puppet, Jira, Azure, Windows 2008, Jenkins, Docker, AWS, Artifactory, JFrog Xray, Crucible, Fisheye, Openshift, SVN, Windows 2012, Weblogic, Apache webserver, Ubuntu, Oracle 11G, 12C, IBM, WebSphere application server.

Confidential

Linux/DevOps Engineer

Responsibilities:

• Involved in understanding the Application Performed installation, configuration and maintenance of Redhat Linux 6,7.
• Administered and created new users, groups and secured access and restrictions to files and directories.
• Created bash shell scripts to receive info on various Linux servers.
• Involved in maintaining the reliability, availability, and performance of Amazon Elastic Compute Cloud (Amazon EC2) instances.
• Conduct systems design, feasibility and cost studies and recommend cost-effective cloud solutions such as Amazon Web Services (AWS).
• Created AWS Multi-Factor Authentication (MFA) for instance RDP/SSH logon, worked with teams to lockdown security groups.
• Automated the applications based on manual installations steps.
• Used Puppet for the application deployment and for configuration management.
• Troubleshooting user logins using various remote login utilities.
• Proficient in troubleshooting system problems.
• Performed administration and monitored job processes using associated commands.
• Monitored client disk quotas and general disk space usage. System performance monitoring and tuning. Maintaining and troubleshooting network connectivity.
• Set up mount points on Solaris servers for Oracle database, Customized user environment for users, monitored system logs, NFS/CIFS file system mounting and support.

Environment: LAMP, Puppet, AWS, Ruby, Apache, Nginx, MySQL, Ant, SVN, Nagios, SonarQube, Nexus, Selenium, Jira.

Confidential

Linux /System Administrator

Responsibilities:

• Installation of patches and packages using RPM and YUM in Red hat Linux.
• Created and modified application related objects, created Profiles, users, roles and maintained system security.
• Responsible for setting up cron jobs scripts on production servers.
• Installed and configured SAMBA server for Windows and Linux connectivity.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any Performance issues.
• Responsible for writing/modifying scripts using bash, ksh, and bash for day-to-day administration.
• Modified Kernel parameters to improve the server performance in Linux.
• Creation of Logical volumes (LVM) for Linux operating systems.
• Installed and configured Apache / Tomcat web server.
• Involved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 4x, 5.x, CENTOS 5.x.
• Coordinating with 24 x 7 on-call support personnel in debugging.
• Experience in using configuration management tools like Puppet.
• Experience in version control and source code management tools like GIT, SVN.
• Configuration of various plug-ins for Jenkins for automation of the workflow and to optimize and smooth running of build jobs.
• Experience in using Tomcat and Apache web servers for deployments and for hosting tools.
• Extensive experience using MAVEN and ANT as build tools for the building of deployable artifacts (Jar, war &ear) from source code.
• Maintained proper documentation of all the activities carried out during the project.