SUMMARY

• Six years of experience in Installation, Configuration, Management of Linux OS (RHEL, CentOS, Ubuntu), Amazon Web Services, DevOps, Windows Servers in an Agile environment.
• Worked in infrastructure team on installation, configuration and administration of CentOS 5.x/6.x/7, Red Hat Linux 8/9, RHEL 5.x/6.x/7, Red Hat Satellite 6, Windows Server and SUSE Linux 10.x/11.
• Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine - tuning on UNIX Red Hat Linux Systems.
• Experienced in Cloud automation using AWS Cloud Formation templates, Python, Ruby, Chef (DevOps), Puppet (DevOps) and Vagrant.
• Installation, Configuration and Administration of VMware VSphere4, ESXI, VMware View, vCenter Server, Host Clustering with HA, DRS, Replication Manager 5.x/6.0, Site Recovery Manager, VMotion, Physical to Virtual Migration and Managing SAN Data stores with, iSCSI, NFS & FC.
• Worked with VMware Orchestrator, VMware realize Automation 6.0 (vRA), catalog management, creating cloud server provisioning entitlements, creating and defining business groups, creating catalogue items, creating services for the catalogue items, creating Windows and Linux (Red Hat6) blueprints.
• Experience in Installing, upgrading and configuring Red Hat Linux 4.x, 5.x, and 6.x using Kick start Servers.
• Extensively worked on Jenkins/Hudson/Teamcity/Ansible/Bamboo/Docker by installing, configuring and maintaining for the purpose of continuous integration (CI) and for End to End automation for all build and deployments.
• Experience in development and configuration experience with software provisioning tools like Chef, Puppet and Ansible.
• Expertise in configuring and managing services like AWS EC2 using AMI's available. Configured multiple servers depending on application needs using continuous integration tools like Jenkins.
• Experience working on configuration management in Linux using Puppet there by developing Puppet Manifests using RUBY for provisioning applications and scripts.
• Expertise in using build tools like MAVEN and ANT for the building of deployable artifacts such as war & ear from source code.
• Experience in Branching, Merging, Tagging and maintaining the version across the environments using SCM tools like Subversion (SVN), GIT (GitHub, GitLab), Clear case, Harvest and VSS.
• Designing the entire cycle of application development by using Docker.
• Wrote custom monitoring and integrated monitoring methods into deployment processes to develop self-healing solutions using Nagios, Graphite and Zabbix etc.
• Implanted continuous integration concepts using Hudson, Cruise Control, Jenkins and AnthillPro.
• Installed and configured monitoring tools such as Nagios, Splunk, SiteScope for monitoring the network bandwidth and the hard drives status.
• Conduct systems design, feasibility & cost studies and recommend cost-effective cloud solutions like Amazon Web Services (AWS) and experience with Perforce, Subversion and CVS.
• Involved in handling Tickets, Monitoring, Troubleshooting and maintenance for Day to day Activities.
• Management of library versions and deprecated code, Design and sequencing of automated builds & test runs and Troubleshooting expertise - build failures due to dependencies, tests, etc
• Good Interpersonal Skills, team-working attitude, takes initiatives and very proactive in solving problems and providing best solutions.

PROFESSIONAL EXPERIENCE

Confidential, SPRINGDALE, AR

LINUX/VMWARE/AWS SYSTEM ADMINISTRATOR

Responsibilities:

• Installation, Configuration, and OS upgrades on RHEL 5.X/6.X/7.X, SUSE 11.X, 12.X.
• Implemented and administered VMware ESX 4.x 5.x and 6 for running the Windows, Centos, SUSE, Red Hat Linux and Ubuntu Servers on development and test servers
• Experienced in using AWS cloud Formation and Puppet together to automate the entire deployment and management process, from AWS resources through the application artifacts.
• Included working in VMware Orchestrator, VMware vRealize Automation 6.0 (VRA), catalog management, creating cloud server provisioning entitlements, creating and defining business groups, creating catalog items, creating services for the catalog items, creating Windows and Linux (Red Hat 6) blueprints.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Puppet.
• Implemented Migration from VMWARE to AWS using VMDK Import tools.
• Used Puppet for performing activities from provisioning to reporting and used Puppet to automate the slave configuration setup and maintenance.
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible, Puppet, or custom-built. Designing cloud-hosted solutions and specific AWS product suite experience.
• Worked with Ansible Playbooks for zero-downtime installation, upgrade, downgrade, and uninstall processes (MongoDB, Redis, and MySQL).
• Deployed DevOps using Puppet, Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Resolved update, merge and password authentication issues in Jenkins and Jira and implementing Tool Suites for (Jira, Jenkins).
• Provided end-user training for all GIT and Subversion (SVN) users to effectively use the tool.
• Involved in development and configuration experience with software provisioning tools like Puppet and Ansible.
• Exposure to Marathon & Zookeeper cluster environment for application Deployments & Docker containers.
• Automated MySQL container deployment in Docker using Python and monitoring of these containers using Nagios.
• Involved in editing the existing MAVEN files in case of errors or changes in the project requirements.
• Managed Maven project dependencies by creating parent-child relationships between projects.
• DevOps engineer for a team that involved different development teams and multiple simultaneous software releases.
• Used JIRA for change management and bug tracking and automated the JIRA tasks using Jira and Perl.
• Developed and implemented Software Release Management strategies for various applications according to the agile process.
• Responsible for the development and maintenance of processes and associated scripts/tools for automated build, testing and deployment of the products to various developments.
• Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.
• Day to day administration of the Development environment and Production and Test environment systems. 24x7 on-call support.

Confidential, NEW JERSEY

VMWARE ANALYST

Responsibilities:

• Perform installations and upgrades on Vblock converged infrastructure platforms specializing in VMware with cross-platform work on other functional areas of Vblock.
• Implemented a vCenter Server Appliance, vCenter Update Manager for the site to comply with the CCRI guidelines to comply with the DOD security requirements.
• Conversion of physical servers to virtual environment using P2V and VMware converter.
• Laying down various procedures for server builds (creation and use of templates) and upgrades for the site.
• Redesigned the folder structure, revised the Roles and access rights to Virtual environment.
• Working with hardware vendor (Dell) and VMware for trouble shooting and fixing hardware and software issues.
• Creating Clusters for High Availability (HA) and Distributive Resource Scheduling (DRS).
• Responsible for delivery management of projects to client and stakeholders. Act as the primary point of contact for day-to-day client service requirements.
• Assist in IT security in incident discovery and resolution. Also with auditors with data gathering and finding resolution. Write scripts to automate activities and configuration collection across the enterprise.
• Server architect with new technology testing, recommendations, and integration.

Confidential, HERNDON, VA

LINUX/VMWARE/AWS SYSTEM ADMINISTRATOR

Responsibilities:

• Administration of RHEL 5/6 that includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Using the Opscode Chef Cookbooks/recipes Migrated the VMWARE’s to AWS and Managed Services like EC2, S3 Bucket, Route, ELB, EBS etc. Responsible for CI and CD using Jenkins, Rundeck and Chef.
• Installed, Deployed Red Hat Enterprise Linux 6.x/7.x, Cent OS and installation of packages and patches for Red Hat Linux Servers.
• Installed/Configured Redhat Linux cluster 5x version & Configuring the cluster resources
• Upgrading the kernel in all the Redhat Linux servers and creating initrd image to boot from the Upgraded kernel.
• Migration of Redhat Linux servers from 4.x version and working with the application team to resolve the issues post migration.
• Mounting & unmounting the netapp storage LUNs to the Redhat Linux servers and troubleshooting the issues encountered.
• Adding storage to the cluster disks and increasing/decreasing the file system in RHEL.
• Designed and implemented Chef, including the internal best practices, cookbooks, automated cookbook CI and CD system. Made use of Jenkins for Chef CI, Rake for style and linting.
• Involved with configuration management and automation tools such as Chef, Ansible.
• Implementing new projects builds framework using Jenkins & maven as build framework.
• Implementation with Chef Enterprise Hosted besides On-Premise, Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server, Managed On-site.
• Automated with in AWS (Amazon Web Services) including deploying new server instances through automation with Chef.
• Written/Developed Chef Cookbooks to automate the entire deployment process as well as Infrastructure admin tasks.
• Designing and implementing for fully automated server build management, monitoring and deployment By Using DevOps Technologies like Chef.
• Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing servers into VMware Infrastructure.
• Administration of RHEL 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Also used to automate the job control system so that scheduling, monitoring and reporting can be performed automatically.
• Installed Build Forge and performed troubleshooting during installation.
• Management of library versions and deprecated code, Design and sequencing of automated builds & test runs and Troubleshooting expertise - build failures due to dependencies, tests, etc.

Confidential, TYSON’S, VA

SYSTEM ENGINEER/ADMINISTRATOR

Responsibilities:

• Involved in Creation and managing user accounts, security, rights, disk space and process monitoring in RedHat Linux. Created users, manage user permissions; maintain User & File System quota on Redhat Linux.
• Performed Linux administration tasks in test and production environments with Installing, configuring and troubleshooting the client applications on the UNIX servers.
• Create, deploy and manage Linux and windows VMware using Red Hat Enterprise Virtualization Manager, which includes moving and migrating VMwarefrom one cluster to another cluster or within the same cluster.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server and MySQL databases in both development and production.
• Configured and managed Jump Start Server on Solaris and Kick Start Server on Linux.
• Worked with adding DNS entries to their DNS servers for virtual servers that was being created for certain projects. Installed, setup and configured Virtual Machines (VMs) matching the project requirements.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Implemented the monitoring tools like Nagios 3.0 to monitor services like CPU, Hard Drive, Memory, Users, HTTP and SSH etc.
• Worked closely with software developers andDevOps to debug software and system problems.
• Knowledge of Chef as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Implemented and administered VMware ESX 3.x for running the Windows OS on Redhat Linux Servers on development and test servers.
• Responsible in managing all aspects of the software configuration management process including code compilation, packaging, deployment, release methodology and application configurations.
• Involved in installing subversion version control and creating and administering repositories.
• Work with the various agile development teams to standardize branching and tagging of code in our TFS repository and maintain code base integrity.
• Manage and maintain TFS server. Customize Work Items, Process Templates, Build Definition Templates and TFS Reports. Designing, creating and maintaining GIT repositories to client specifications.
• Involved in taking the weekly backups of the repositories and managing the repositories
• Engaged in managing daily builds, configuration, and environment maintenance across multiple test and production environments in an Agile sprint lifecycle.
• Bash shell-scripts to automate routine activities and Monitored trouble ticket queue to attend user and system calls.
• Troubleshooting issues on RHEL servers and worked on user request (LAN ID requests) and performance issues.
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Confidential, MI

SYSTEMS ADMINISTRATOR

Responsibilities:

• Maintaining several servers running Linux Red Hat and Windows operating systems, supporting organization network monitoring tools
• Total system architecture was developed, by design requirements and made certain total system is integrated, tested and verified.
• Installed and administered Tomcat repository to deploy the artifacts generated by Maven and to store the dependent jars, which are used during the build.
• Manage Local Area Networks (LAN) and Wide Area Networks (WAN). Performs installation, maintenance and upgrades to all equipment located on the stake holder's sites, to include Cisco, Juniper and other networking devices.
• Ensure total system architecture is developed, that design requirements are met and managed and the total system is integrated, tested and verified.
• Managing users and group creation, deletion, locking/unlocking, resetting passwords, and controlling password aging, user labeling compliance remediation and controlling user account expiry.
• Installed, managed and implemented various java (JDK) applications on multiple UNIX platforms.
• Demonstrated ability with server and data storage hardware concepts with ability to conduct basic hardware and software sizing.
• Install software, apply patches, manage file systems, monitor performance and troubleshoot alerts from commercial, open source and locally developed applications and tools.
• Provide support of in-house mail system. This includes daily maintenance and all software and hardware upgrades. Performed automated installations of Operating system using kick start for Red Hat Enterprise Linux and Jumpstart Linux.
• Create the Connection Pool and Data Source for Connecting the Oracle Database.