SUMMARY

• 6+ Years of IT industry Experience in Linux Administration, with Software Configuration Management, Change Management, build automation, Release Management and DevOps experience in large and small software development organizations.
• Experience in using Build Automation tools and Continuous Integration concepts by using tools like ANT, Jenkins and Maven.
• Experience in using Configuration Management tools like Puppet, Chef, Ansible.
• Developed Puppet modules to automate application installation and configuration management.
• Expertise on all aspects of chef server, workstations, Nodes, chef clients and various components like Ohai, push jobs, super market etc.
• Extensively worked on Vagrant &Docker based container deployments to create environments for dev teams and containerization of env’s delivery for releases.
• Experience in working on Docker Hub, creating Docker images and handling multiple imagesprimarily for middleware installations and domain configuration.
• Knowledge on various Docker components like Docker Engine, Hub, Machine, Compose and DockerRegistry.
• Maintained Jenkins masters with over 80+ jobs for over 10+ different applications supported Several Quarterly and project releases in parallel.
• Expertize in using Nexus and Arti factory Repository server for Maven and gradle builds.
• Ability to build deployment, build scripts and automated solutions using Shell Scripting.
• Experience in using monitoring tools like Icinga, Nagios.
• Experienced in branching, tagging and maintaining the version across the environments using, Software Configuration Management tools like GITHUB, Subversions(SVN) like GIT, and Team Foundation Server(TFS) on Linux andWindows platforms.
• Experienced migrating SVN repositories to GIT.
• Worked in GIT implementation containing various Remote Repositories for a single application.
• Experienced with handling Cloud environments AWS and Open Stack.
• Well experience in setting up VPC peering between two VPCs and remote VPN.
• Analyse and evaluate existing architecture Confidential Customer On premise Datacenters and Design, Configure andMigrate complex network architectures to AWS Public Cloud.
• Proficient in AWS services EC2, IAM, S3, Elastic Bean stalk, VPC, ELB, RDS, EBS, Route 53.
• Provisioning EC2 instances and have knowledge on all resources areas of EC2 like instances, Dedicated hosts, volumes, Keypairs, Elastic IP’s, Snapshots, Load Balancers and Security Groups.
• Worked in managing VMs in Amazon using AWS and EC2.
• Hands on Experience in AWS provisioning and good knowledge of AWS services like EC2, S3, Glacier, ELB, RDS.
• Good Knowledge in Bash, Ruby, Python and Perl scripting.
• Staying up - to-date with current Web application and development technologies and services.
• Responsible for delivery of new environments with various middleware configuration for newly assigned projects and performed backfill activities on all environments to bring the env’sup to current release cycles.

TECHNICAL SKILLS

DevOps Tools: Nexus Repository, SonarQube, Jenkins, Puppet, Chef, Ansible, Docker, Nagios, Icinga, GIT.

Infrastructure as A service: AWS, open stack(basic understanding).

Virtualization Platforms: Virtual Box, VMware, Vagrant.

Operating Systems: UNIX, Linux, Windows, FreeBSD.

Scripting Languages: Bash, Perl, Python, Ruby.

Version Control Software: Subversion, GIT, Perforce.

Logging: SumoLogic, Splunk, Salesforce.

Monitoring 24/7: Page Duty.

PROFESSIONAL EXPERIENCE

Confidential, Dallas

Linux Admin/Cloud Admin/DevopsEngineer

Responsibilities:

• Worked on installation, configuration and maintenance Red hat, Centos
• Onboarding different applications into Jenkins environment for CI and managing Jenkins server.
• Worked on Versions controller like GIT and integration tools Jenkins.
• Managing Nexus and sonarqube server for uploading the artifacts and code quality analysis.
• Installed/Configured/Managed Puppet Master/Agent. Wrote custom Modules and Manifests, downloaded pre-written modules from Puppet-forge.
• Upgradation or Migration of Puppet Community and Enterprise.
• Deploy and monitor scalable infrastructure on Amazon Web Services(AWS) & configuration management using Puppet.
• Installed and configured monitoring tools Nagios for monitoring the network bandwidth and the hard drives status.
• Configuring the Docker containers and creating Docker files for different environments.
• Worked with production servers Confidential multiple data centers.
• Migration of consumer data from one production server to another production server over the network with the help of Bash and Perl Scripting.
• Installation, Configuration and administration of VMware.
• Developed automation scripting in Python(core) using Puppet to deploy and manage java applications across Linux servers.
• Logged events from forced crash dumps and troubleshoot server issues.
• Configured Yum repository server for installing packages from centralized server.
• Installed Fuse to mount the keys on every Debian Production Server for Password-less authentication.
• Installed and Configured DCHP server to give IP leases to production servers.
• Applied the clustering Topology that meets High Availability and Failover requirements for performance and functionality.
• Installation, Configuration and administration of DNS, LDAP, NFS, NIS and send mail on Red hat Linux/Debian severs.
• Installation and configuration of PostgreSQLand MariDBdatabase on Red Hat/Debian Servers.
• Configuration and Administration of Apache Web Server and SSL.
• Created and maintained network users, user environment, directories, and security.
• Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.

Environment: s: Red Hat, Centos, AWS, Puppet, VMware, GIT, Bash Scripting, Shell Scripting, DHCP Server, KVM, Jenkins, SonarQube, Nexus

Confidential, Nashville, TN

DevOps Engineer

Responsibilities:

• Defined and Implemented CM and Release Management Processes, Policies and Procedures.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
• Expertise in installing, configuration and administration of Tomcat and Web Sphere. Understanding of cloud based deployments into Amazon EC2 with Chef.
• Setup and Configuration of Chef Configuration Management.
• Subversion administration for taking the builds using Chef Management.
• Deployed Chef Dashboard for configuration management to existing infrastructure.
• Have an Experience in AWS Network administration; AWS instance monitoring, troubleshooting, deployment optimization, root cause analysis and preparing documentation.
• Configuring the Docker containers and creating Docker files for different environments.
• Designed Chef Modules to manage configurations and automate installation process.
• Coordinate/assist developers with establishing and applying appropriate branching, merging conventions using GIT source control.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Enabled Continuous Delivery through Deployment into several environments of Test, QA, Stress and Production using Jenkins.
• Hands on experience in automating builds and deployment process using Shell scripting.
• Maintained build related scripts developed in ANT and Shell. Modified build configuration files including Ant's build.xml.
• Analyzed the builds using the sonarQube.
• Managed and monitored the server and network infrastructure using Nagios and Splunk.
• Work with development/testing, deployment, systems/infrastructure and project teams to ensure continuous operation of build and test systems.
• Provided end-user training for all GitHub users to effectively use the tool.
• Automate the builds and deployment of JAVA projects using ANT and Jenkins.
• Implement, maintain and support reliable, timely and reproducible builds for project teams.
• Interact with developers and Enterprise Configuration Management Team for changes to best practices and tools to eliminate non-efficient practices and bottlenecks.
• Created and maintained user accounts, roles on MySQL, production and staging servers.

Environment: CI/CD, AWS, Jira, Jenkins, Chef, Docker, Apache, python, Nginx, MySQL, Ant, SVN,Nagios, Splunk, SonarQube.

Confidential, AZ

DevOps Engineer

Responsibilities:

• Interacted with client teams to understand client deployment requests.
• Coordinate with Development, Database Administration, QA, and IT Operations teams to ensure there are no resource conflicts.
• Worked closely with project management to discuss code/configuration release scope and how to confirm a successful release.
• Managing the code migration from TFS, CVS and star team Subversions repository.
• Implemented continuous integration using Jenkins.
• Created repositories according to the structure required with branches, tags and trunks.
• Attended sprint planning sessions and daily sprint stand-up-meetings.
• Configured applications servers (Apache Tomcat) to deploy the code.
• Used submodules in the GIT and educated users working with sub modules in GIT.
• Configured plugins for the integration tools to the version control tools.
• Worked with the developers to configure plugins through Eclipse to develop the code.
• Involved in migration of Bamboo server, Arti factory& GIT server.
• Responsible for writing Hooks and Triggers using Perl. Built Java applications using Maven.
• Good in provisioning and deployment tools like Puppet.
• Developed unit and functional tests in Python and Ruby.
• Used configuration management tools Puppet.
• Developed and maintained Perl/Shell scripts for build and release tasks.
• Integrated Maven with Jenkins for the Builds as the continuous Integration process.
• Involved in Upgrade of Bamboo &Arti factory Server.
• Maintained JIRA for tracking and updating project defects and tasks.
• Manage and document all post deployment issues utilizing the post Deployments Issue Log.

Environment: s: Puppet, Apache Tomcat, GIT, Python, Ruby, Bamboo, Perl, Shell, Maven, Jenkins, JIRA.

Confidential

Linux System Admin

Responsibilities:

• Installed SUSE Linux on Cisco Hardware for SAP HANA deployment.
• Experience with Linux installation, configuration management and patch administration as member of a production support team.
• Strong knowledge of Linux Kernelconfiguration, performance monitoring, and tuning.
• Good knowledge of LVM, which include creating PVs, VGs, LVs and file systems and trouble shooting.
• Configuration and maintenance of common applications such as NFS, DHCP, NTP, SSH, DNS, and SNMP.
• Strong knowledge of large-scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning.
• Experience with SAN/DATA Centre Migration and Consolidation implementations.
• Experienced in Strong Consolidation/Migration in an ENTERPRISE environment.
• Involved in complete Administration tasks on UNIX, Red Hat Linux and Solaris and documentation for the projects executed.
• Responsible for installation, configuration and administration of sun Solaris 9 and Red Hat enterprise Linux on X86 architecture,
• Installed required software patches and software.
• Used RPMs to install, update, verify, query and erase packages from Linux Servers.
• Configured Kick start server to Install Red Hat Linux on multiple machines.
• Experience using Kick start and modified Kick start based on server profiles and hardware specifications.
• Experienced Installing, Configuring and supporting VMware ESX 3.4 and 4 versions.
• Installed, monitored and supported Web and application Servers on AIX and Linux environments.
• Implementations and setup of local Linux disk backups using open Source applications.
• Consolidating multiple Linux Servers, into 2 physical virtual servers, using Servers.
• Installation and troubleshooting on VMware running Linux (Red Hat) and Windows (windows 7, XP, Vista).
• Worked with DBA for installation Oracle on Linux and Solaris.
• Worked on installations on Power path on all Linux boxes.
• Participate in installing and configuring UNIX/LINUX based Oracle 10g products.

Environment: s: VMware, Solaris, Kick start, SUSE Linux, LVM, Oracle 10g product, NFS, DHCP, NTP, SSH, DNS, SNMP.