SUMMARY

• Around 8 years of experience in Installation, Configuration, Management of Linux OS (RHEL, CentOS, Ubuntu), Amazon Web Services, Windows Servers in an Agile environment.
• 3+ years of experience as a DevOps Engineer with configuration management tools such as chef, Docker, continuous integration using Jenkins, ANT and Maven build tools, cloud architecture AWS, VMWare, Version control using GIT, SVN, and extensive programming in Ruby, Perl and Shell scripting.
• Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoringand Fine - tuning on UNIX Red Hat Linux Systems.
• Administrate various environments in software development life cycle Windows, Ubuntu, Red Hat Linux, SUSE Linux, Centos and Solaris servers.
• Experience supporting Chef Environment with multi hundred servers and involved in developing manifests.
• Day to day job included but not limited to handling Tickets, Monitoring, Troubleshooting and maintenance.
• Expertise in administering and supporting the code versioning tools including GIT, Subversion and CVS on UNIX/LINUX environments.
• Used scripting languages like Python, Ruby, Perl, Bash and configuration management tools Chef, Puppet and Web Service like AWS.
• Extensively worked on Jenkins/Hudson by installing, configuring and maintaining for the purpose of continuous integration (CI) and for End to End automation for all build and deployments.
• Installed and configured an automated toolPuppetthat included the installation and configuration of thePuppetmaster, agent nodes and an admin control workstation.
• Worked in an agile development team to deliver an end to end continuous integration/continuous delivery product in an open source environment using tools like Chef and Jenkins.
• Experience in configuring and deploying applications on WebSphere, WebLogic and Apache Tomcat, JBoss in various environments such as Windows, Linux and UNIX.
• Administration of Production, Development and Test environment's carrying Windows, Ubuntu, Red Hat Linux,
• Exposed to all aspects of software development life cycle (SDLC) such as Analysis, Planning, Developing, Testing and Implementing and Post-production analysis of the projects.
• Installation and configuration of JBoss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.
• Highly motivated to learn new developments in technology with strong analytical problem solving skills and a flair for creativity.
• Worked closely with Project manager, development, testing and production team to align project deliverables, dates and report issues/concerns.
• Team player with excellent interpersonal skills, self-motivated, dedicated and understanding the demands of 24X7 system maintenance and has good customer support experience.

TECHNICAL SKILLS

Build/Automation Tools: Puppet, Chef, Ant, Maven, Hudson

Operating systems: RHEL/CentOS 5.x/6.x/7, Ubuntu/Debian/Fedora, Sun Solaris 7/8/9/10, Windows Server 2003/2008/2012

Databases: MySql, MongoDB, Cassandra, PostgreSQL, SQL Server

Languages: Shell, Bash, Perl, Ruby and Python scripting

Web/App Servers: Apache, IIS, HIS, Tomcat, WebSphere Application Server, JBoss

Bug Tracking Tools: JIRA, Fisheye, Crucible, Rally, Remedy and IBM Clear Quest, Bugzilla, HP Quality Center.

Version Control Tools: Subversion, GIT, Tortoise SVN, Visual SVN

Web Technologies: Servlets, JDBC, JSP, XML, HTML, Java Script.

Programing Languages: Java/J2EE, C, C++, Ruby, Perl scripting, Python, Shell scripting.

PROFESSIONAL EXPERIENCE

Confidential, Richmond VA

DevOps Engineer

Responsibilities:

• Participated in weekly release meetings with Technology stakeholders to identify and mitigate potential risks associated with the releases.
• Installing Red Hat Enterprise Linux 5.x/6.x, CentOS and installing packages, patches for Red Hat Linux servers, administrator of Red Hat Satellite Servers to avoid outage and developed strategies for enhanced system resource utilization.
• Implemented new projects builds framework using Jenkins & maven as build framework tools.
• Administration of RHEL 4, 5, 6 and Solaris 9, 10 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Coordinate/assist developers with establishing and applying appropriate branching, merging conventions using GIT source control.
• Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing servers into VMware Infrastructure.
• 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.
• Implemented multi Node OpenStack KILO Architecture on KVM Using Latest Release of Ubuntu with Services like Horizon, Nova, Neutron, Glance, Cinder, Keystone & Swift.
• Hands on experience in automating builds and deployment process using Shell scripting.
• Developed scripts using PERL, BASH and BATCH files for Automation of Activities and builds.
• Imported and managed multiple corporate applications into GitHub code management repo.
• Insure impact of software releases to system performance and resource utilization of distributed and mainframe platforms are acceptable during load testing.
• Used the Application Server Admin (JBOSS/ Tomcat) to manage the systems remotely using Puppet and using Linux.
• Managed and monitored the server and network infrastructure using Nagios.
• Used RHEL Atomic host as the docker host and did a proof of concept with a use case of 3 tier web-app-db java application to host with in docker containers.
• Work with development/testing, deployment, systems/infrastructure and project teams to ensure continuous operation of build and test systems.
• Experience with in working in an Agile / Scrum environment and daily standup meetings.

Environment: Linux (RHEL 5.x/6.x), Solaris 10/11, RedHat Satellite Server, AWS, Puppet 3.x, Jenkins 1.x, WebLogic 11, WebSphere 7.0/8.0, Shell Scripting, VMware ESXI 4.x & 5.x, Apache 2.x, Apache Tomcat 6.x/7.x, GIT, Nagios 4.x/5.x.

Confidential, Bellevue WA

DevOps Engineer

Responsibilities:

• Worked on installation, configuration and maintenance Debian/Redhat, CentOS and Suse Servers at multiple Data Centers.
• Automated the installation, deployment and maintenance of Middleware Application Servers to RHEL Development and Test Environments.
• Designing and implementing for fully automated server build management, monitoring and deployment By Using DevOps Technologies like Chef.
• Creating Amazon EC2 instances using command line calls and troubleshoot the most common problems with instances and monitor the health of Amazon EC2 instances and other AWS services.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Chef.
• Installed and administered GIT source code tool and ensured the reliability of the application as well as designed the branching strategies for GIT.
• Deployed and configured Git repositories with branching, forks, tagging, merge requests, and notifications.
• Dealt with troubleshooting issues like Server hang, keep alive threads, HTTP threads, Application Deadlock, Perm Gen space, Out of Memory Issue, High memory usage and High CPU.
• Converted and automated builds using Maven and Ant. Scheduled automated nightly builds using Jenkins.
• Resolving merging issues during build and release by conducting meetings with developers and managers.
• Involved in writing and editing the existing ANT (Build.XML) files in case of errors or changes in the project requirements.
• Experience working with AWS Cloud computing and launching Instances and automation of administration roles.
• Provided 24/7 on call support on Linux Production Servers. Responsible for maintaining security on Redhat Linux.

Environment: AWS, Docker, GIT, Apache ANT, Apache Tomcat, Maven, Jenkins, Shell, Bash, Unix/Linux, Windows, Web Sphere, Chef, ActiveMQ, Oracle 11g, RDS, Nexus, sensu, Splunk, logstash, OneOps, RHEL 4/5/6, CentOS, Java, Jira.

Confidential, Kansas City, MO

Build and Release Engineer

Responsibilities:

• Primary duties include in the release cycle of the product, which involves environments like Development, QA, UAT and Production.
• Perform administration of users, supported team for parallel development.
• Wrote Shell/Perl/Ant files to automate certain processes for the smooth process of use of build tools like Build Forge.
• Maintained build related scripts developed in ANT, Python and shell. Modified build configuration files including Ant’s build.xml.
• Responsible for design and maintenance of the Subversion/GIT Repositories, views, and the access control strategies.
• Analyzed the Troubleshooting in QA, CERT, UAT and PROD environment issues and support the Production issues.
• Installed and configured AnthillPro/Jenkins for Automating Deployments and providing a complete automation solution.
• Installing and configuring Jenkins, installing plug-in, configuring security, creating a master and slaves for implementation of multiple parallel builds.
• User account management, worked with Perl, shell scripting (bash) to automate administration tasks.
• Used Sun Solaris and Red Hat Linux platforms, installed, configured and administrated DNS, NFS, Mail Servers, FTP and RPM servers to efficiently work on those platforms.
• Used Sun Solaris and Red Hat Linux platforms, installed, configured and administrated DNS, NFS, Mail Servers, FTP and RPM servers to efficiently work on those platforms.
• Created the AWS VPC network for the installed instances and configured the Security Groups and Elastic IP's accordingly.
• Presented reports to the Project manager about the progress and issues tracking key project Milestones, plans and resources.

Environment: Amazon AWS Services, RTC, GIT, CVS, Ant, Maven, Urban Code, WebSphere, Artifactory, Jenkins, Ruby Scripting, Puppet, Python Scripting, AWS, TFS, RAD, Shell, Quality Center, Nagios, UNIX, Linux, Windows, Java/J2EE.

Confidential

Linux Administrator

Responsibilities:

• Deployed Red Hat Satellite server with custom repositories to provide a stable management solution for the Linux environment.
• Maintained and monitored all of company\'s servers' operating system and application patch level, disk space and memory usage, user activities on day-to-day basis.
• Performed Server design engineering, configuration and troubleshooting of all components, hardware and software, including large scale storage systems.
• Operating system installation and configuration (methods including Kickstart, jumpstart), disc partition set-up, patch administration, package management including kernel upgrade.
• Installation & Configuration of Logical Volume Manager - LVM andVeritas Volume Manager on and RedHat Linux Hardware.
• Setup a couple of hundred VM's running CentOS to be used for web, database, application, mail, ftp, monitoring and git repositories.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• User/group maintenance in both production/development environments.
• In-house process control initiatives including IT Services Management, worked with LDAP integration for a single log on purpose.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
• Installation, configuration, and maintenance of web servers, application servers, and database servers on Linux Servers.
• Implemented and administered VmWare ESX 3.5, 4.x for running the Windows 2003/2008 Servers on development and test servers.
• Decommissioning of the old servers and keeping track or decommissioned and new servers using inventory list.
• Setup Jumpstart servers for automated installation of Solaris and Kick start for Linux servers and workstations and setup NIS, NFS for centralized administration of user account configurations.
• Involved in 24/7 high availability on pager rotation basis and coordinated efforts with other teams.

Environment: Red hat Linux 3,4,5 Sun Solaris 9, 10, HP DLseries G8, IBM X series, Logical Volume Manager, VERITAS Volume Manager, Solaris Volume Manager, VERITAS Cluster, Oracle.