SUMMARY

• Over 7+ years of IT industry experience asSystemAdministratorand Production Support of various applications on Red Hat Enterprise Linux, CentOS, Debian, Ubuntu and also has skilled experience on Windows Server 2008 - r2/2012-r2 on various hardware platforms and three years of experience in AWS cloud under Devops
• Worked in various levels in teh infrastructure team on Installation, configuration and administration on Red hat-Linux (5x, 6x& 7x), CentOS (5x, 6x and 7x), Ubuntu (7x, 8x, 9x & 10x), SUSE Linux (9x, 10x & 11x), AIX (V5.3 & 6.1), Red hat Satellite 6, and Windows Environment like Windows Server 2008-R2/2012-R-2.
• Experience in Package Management and in patching Linux servers to latest versions, and installing RPM packages using Satellite server, Yum server and up2date Command line.
• Experience in System Administration, Configuration, upgrading, Patches, Troubleshooting, Security Backup, Disaster Recovery, Performance Monitoringand Fine-tuning on UNIX & LINUX Systems.
• Extensive knowledge of VMware vMotion, HA and DRS including vSphere update manager, VMware Data Recovery, vCenter Manager and vCenter Orchestrator.
• Good knowledge of implementing configuration management tools Puppet, Chef, Ansible and treating Infrastructure as Code.
• Deployed and configured chef server including bootstrapping of chef client nodes for provisioning. Created roles, recipes, cookbooks and uploaded them to Chef-server, Managed On-site OS, Applications, Services, and Packages using Chef as well as AWS for EC2, S3, Route53 and ELB with Chef Cookbooks.
• Help customers build scalable, resilient, and high-performance applications and services on AWS
• Coordinate large strategic initiatives of Amazon EC2 from conception to final completion and operation. Release management of all significant public EC2 launches.
• Experience worked with VMware ESXi 5.1, 5.5 & 6.0, Physical to Virtual migration and Managing SAN Data stores with iSCSI, FC and NFS.
• Managed environments DEV, QA, UAT and PROD for various releases and designed instance strategies in production Environment.
• Created virtual instances with Docker. Also created Docker containers and maintained Docker images.
• Experience in Installing, configuring, upgrading and managing Puppet Enterprise and Puppet Open Source and updating and creating modules and pushing them to puppet clients, worked and utilizedPuppethierarchy files, facts, and global variables.
• Integration of Puppet with Apache and Passenger.
• Installed and managed Middleware tools through Puppet such as WebSphere Application Server 7.x/8.x, JBOSS GA7/EAP6, IBM IHS, Apache, Tomcat, Active MQ and other web-oriented applications
• Extensively worked on AWS Cloud platform and its features that include EC2, VPC, EBS, ELB, S3, RDS, EBS, Cloud Watch In-depth understanding of teh principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.
• Supported AWS Cloud environment with multiple AWS instances and configured Elastic IP & Elastic Storage and also experience working on implemented security groups.
• Experience in working on version control systems like Subversion, and GIT and used Source control management client tools like Visual SVN, Tortoise SVN, Stash, Source Tree, GIT Bash, GitHub, GIT GUI and other command line applications etc.
• Administered and performed maintenance on TFS 2010/2012/2013/2015.
• Expert knowledge in Technical and Functional features of TFS which includes Source Control, Work Items, TFS Builds, Reporting, SharePoint.
• Strong knowledge on source controller concepts like Branches, Merges and Tags.
• Extensively worked on Jenkins/Hudson, Bamboo, Build Forge and Anthill Pro (AHP) by installing, configuring and maintaining for teh purpose of continuous integration (CI) and for End-to-End automation for all build and deployments.
• Expertise in using build tools like MAVEN and ANT for teh building of deployable Artifacts such as war and ear from Source Code using MoM - Rabbit MQ, Kafka.
• Managed all teh bugs and changes into a production environment using teh Jira, Remedy, HP Quality Center and IBM Clear Quest tracking tools.
• Experience NIC bonding/NIC Teaming configuration in Linux/UNIX/Windows/VMware systems to increase teh bandwidth or redundancy based on requirement by teh application.
• Experience in installation and management of network related services like DNS, Apache, LDAP, SAMBA, HTTPD, NTP,SMTP, SQUID, Active Directory, Postfix, Send mail, FTP, Remote Access, Security Management & Security trouble shooting skills.
• Efficiency in Installing, configuring and implementing teh LVM, RAID Technologies using various tools like VERITAS volume manager, Solaris volume manager.
• Network trouble-shooting skills with general understanding of CISCO switches, PIX Firewall and Routers.
• Experience with infrastructure and system monitoring tools like Nagios, Splunk, etc.
• Experience administering and configuring NoSQL Databases like Cassandra, MongoDB and RDBMS like MySQL, DB2, etc.
• Expertise in Shell Scripting and Perl Scripting for Environment Builds and Automating Deployment on WebSphere Application Servers and WebLogic Application Servers.
• Expertise in troubleshooting, back and recovery and supporting 24x7 productions computing environments and providing on call and weekend support.
• Excellent analytical, problem solving, communication and interpersonal skills.

TECHNICAL SKILLS

Automation/Build Tools: Puppet, Chef, Ansible, Ant, Maven, Jenkins, Hudson & Bamboo

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

Databases: MySQL, MongoDB, Cassandra, PostgreSQL, SQL Server, Couch DB

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

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

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

Web Technologies/Programing Languages: Servlets, Ruby, Perl scripting, Python, Shell scripting.

PROFESSIONAL EXPERIENCE

Confidential, Birmingham, AL

Windows Admin/ DevOps Engineer

Responsibilities:

• Built and managed a large deployment of Red Hat Linux instances systems with Chef Automation and provision virtual servers using vagrant and kitchen in Oracle VM virtual box, provisioned servers in Amazon EC2.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
• Implementing new projects builds framework using Jenkins & maven as build framework.
• Implementing a Continuous Delivery framework using Jenkins, Chef, Maven & Nexus in Linux environment
• Wrote puppet manifests for deploying, configuring, and managing collected for metric collection and monitoring.
• Built Puppet manifests and bootstrap scripts to allow us to bootstrap instances to various roles without having to maintain AMIs.
• Migrated configuration management from Puppet to Chef
• Managed Chef cookbooks to automate system operations and AWS Cloud management
• Integration of Maven/Nexus, Jenkins, Urban Code Deploy with Patterns/Release, Git, Confluence, JIRA and Cloud Foundry
• Using Jenkins AWS Code Deploy plugin to deploy to AWS
• Defining Release Process & Policy for projects early in SDLC and responsible for code build, release and configuration
• Perform Deployment of Release to various QA & UAT in Linux environments.
• Optimized volumes and EC2 instances and used IAM to create new accounts, roles and groups
• Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier
• Configured Elastic Load Balancers (ELB) with EC2 Autos calling groups
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch
• Splunk deployment, configuration and maintenance across a variety of UNIX and Windows platforms.
• Implemented a Continuous Delivery pipeline with Docker, and GitHub and AWS
• Experimented with Docker, by using Docker-compose
• Worked on applying patches and recommending necessary security fixes for web Application servers
• Scripting in multiple languages on UNIX, LINUX and Windows - Batch, Python, Shell script etc.
• Troubleshoot teh build issue during teh Jenkins build process.
• Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.

Environment: GIT, Java/J2EE, Docker, Nexus, Jenkins, AWS, Chef, MAVEN, NEXUS, Cloud Foundry, UDeploy, JIRA, LINUX, SPLUNK, XML, Ruby, Web logic, Python, BASH Scripts, Shell scripts.

Confidential, Fort Washington, PA

VMware Admin/Cloud/ DevOps Engineer

Responsibilities:

• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Puppet, or custom-built.
• Maintained an environment of over 500 total servers including VMware vSphere, EC2 instances, and physical hardware
• Prepare specs for new infrastructure and VMware servers, disk storage, and network switches, routers, firewalls, and VPN's.
• Actively involved in PSM VMware vSphere4/ESX4, Win2003/2008R2 Server deployment in DR environment
• Test and recommend Replication/Backup solutions for VMware, SAN and Disaster Recovery
• Conduct performance tests to determine projected loads for vSphere virtual hosts deployed on multiple IBM BladeCenter clusters backed by EMC NAS and SAN, and project capabilities of existing MySQL database configurations vs clustering, caching, or "Big Data" solutions
• Good experience in using Cisco IOS commands and techniques to perform SAN zoning
• Worked with Source Control Tools such as GIT Stash, Sub version
• Managed Code Repository by administering database baseline, improved practices of branching and code merge
• Worked on requests for adhoc deployment for a particular environment and use teh adhoc deploy plan in bamboo
• Wrote Puppet Manifest files to deploy automated tasks to many servers at once
• Wrote custom puppet modules for managing teh full application stack (Tomcat/httpd/MySQL/Java)
• Designed and developed automated deployment and scaling processes based on Vagrant and Chef for a wide range of server types and application tiers
• Develop web-based software in Python on Linux (Ubuntu) running on AWS using Chef, Cassandra, MongoDB, Redis, CouchBase, RabbitMQ
• Experience in migration of consumer data from one production server to another production server over teh network with teh help of Bash and Perl scripting.
• Configured Red Hat Kickstart for installing multiple production servers.
• Improved environment monitoring with Nagios, Logstash/ElasticSearch and Splunk.
• Installed and configured monitoring tools Nagios for monitoring teh network bandwidth and teh hard drives status.
• Used ANT & MAVEN build tools in Jenkins to build scripts and move from one environment to other
• Used Perl & Shell scripts to automate build & release process; managed Maven project dependencies
• Built & deployed Java/J2EE to Web App Server in Agile continuous integration environment and automated process
• Integrated JIRA with Stash and created automated release notes using Perl scripts
• Used JIRA to track bug issues and change management

Environment: VMware, Subversion, SCRUM, Java/J2EE, Jenkins, AWS,Chef, Puppet, Ansible, MAVEN, Nagios,Splunk, VMware, JIRA, Stash, LINUX, Ruby, Web logic, BASH, Perl Scripts, Shell scripts.

Confidential, Durham NC

Build/Release Engineer

Responsibilities:

• Worked on Continuous Integration System me.e. Jenkins for official nightly build, test and managing change list. Installed Multiple Plugins for smooth build and release build pipelines.
• Integrated JIRA and Jenkins with regards to Release Notes creation and updates.
• Involved in administrating git server and continuous Integration system like Jenkins and handled escalations from developers across teh globe.
• Performed periodic customer releases through git pushes to shared, private and public servers. We use cron tabs, automated scripts to do continuous delivery and continuous deployment.
• Migrated out core repository from SUBVERSION to GIT and involved in individually migrate all teh code base from subversion to git ensuring that health of our builds aren't affected.
• Worked with Subversion, Proposed and implemented branching strategy suitable for agile/scrum developmentin a Fast Paced Engineering Environment.
• Modified ANT scripts to build teh JAR’s, Class files, WAR files and EAR files from VOB’s for Java applications and MSbuilds for all .Net applications.
• Maintained Maven/Ant and streamlined teh entire build system. And managed build and release infrastructure, optimized build scripts and introduced a better way of releasing RPMs with effective tracking.
• Developed Perl, shell and Ruby scripts for automation of teh build and release process.
• Modified ANT scripts to build teh JAR’s, Class files, WAR files and EAR files from VOB’s for Java applications and MSbuilds for all .Net applications.
• Worked on teh windowsInternet Information Server(IIS)
• Experience in writing chef cookbook and recipes to automate teh deployment process and to integrating chef cookbooks into Jenkins jobs for a continuous delivery framework.
• Used Chef to automate Configuration management & Applications, manage Web Applications, Config Files, Data Base, Commands, UsersMount Points, and Packages.
• Building & configuring RedHat Linux systems over teh network, implementing automated tasks through crontab, resolving tickets according to teh priority basis.
• Used knowledge of .NET to Implement and maintained branching and build/release strategies for .NET applications utilizing TFS.
• Proficient in NAnt scripting, MSBuild, IBM BuildForge, and TFS automation to effectively drive continuous improvements in configuration management
• Co-ordinated with offshore team in completing delivery and helping them out in TFS related issues
• By using JIRA/CONFLUENCE we maintain our product release wikis on confluence and administer JIRA and manage tickets raised.
• Involved in deploying teh content cloud platform on Amazon AWS using EC2, S3, and EBS.
• Utilized Remedy ticketing to specify specific builds to deploy to multiple environments (dev, itest and QA and production)
• Saved countless dollars by streamlining teh SCM process through developing and modifying over 150 UNIX shell and awk scripts in response to user and management needs for SCM data for analysis.

Environment: RedHat Linux, Subversion (SVN), Jenkins, Cassandra,MSbuilds, Java/J2EE, ANT, MAVEN, CHEF, SCM, TFS, .NET, Tomcat, Perl, Ruby, Shell Scripts, XML, UNIX, Oracle, JIRA.

Confidential

System Administrator

Responsibilities:

• Working as a System administration, maintenance and monitoring various day-to-day operations
• Scheduled various regular and periodic tasks by using cron tab.
• Setting up cron jobsfor teh user to deploy scripts on production servers.
• Handling support tickets from L1 to L3 from user creation, giving permissions, creating groups & managing
• Analyze and resolve conflicts related to merging of source code for SVN and Git.
• File system managing, trouble shooting, Monitoring and analyzing using log files.
• Responsible for Configured DNS Servers and Clients, troubleshooting DNS issues.
• Involved and set up migration forUNIX/Linuxserver andSAN storagebetweendata centersand also application migration and testing
• Restored files from Snapshots and Troubleshoot day-to-day problems on SAN/ NAS.
• Good knowledge ofRAIDgroups and setting upNFS,CIFSandiSCSIprotocols in SAN/NASenvironment onHPUX andRedhat LINUX.
• Resolved a history of problematic network failure by troubleshooting LAN/WAN connections between multiple stores for a regional retail chain.
• Replaced major manufacturer’s vulnerable network with robust security through joint architecture of firewall and DHCP.
• Installed, administered and managed Red Hat Linux, SLES, Solaris, HP-UX and AIX servers.
• Exporting a file system for particular systems, NFS Server/Client.
• Configuring, administering and troubleshooting ofNFS,AutofSDirect and Indirect Maps, NISmaster, slave and client andDNSin multi-platform networks
• Installation ofSAMBAserver for interface between Linux servers and Windows servers to share files
• Configuring YUM Server and installing packages by using RPM and YUM.
• Configuration and troubleshooting SSH and providing user level and system level trusting.
• Involved in installation, configuration and administration of RHEL 3.x/4.x/5.x Servers (HP -- UX, Red Hat Linux, Solaris SUSE, and AIX).
• Installed and configured Solaris 8, 9, 10. Configured Zones and containers for Solaris 10
• Upgraded Solaris OS Live upgrade from Solaris 8 to Solaris 9.
• Experienced in VERITAS file system (3.x, 4.x, 5.0), VERITAS Net Backup (4.x, 5.x, 6.x) for disk management and mirroring tasks.
• Upgraded Veritas Volume Manager from 3.x to 4.x
• Installing, configuring various software applications and packages likeApache, Tomcat Weblogic, Oracle.
• Setting up teh lab environment withTomcat/Apache, configuring teh setup with F5 virtual load balancer for customer application.
• Enabling SSL Security in Web Environments for IBM HTTP Server & WebSphere application Server.
• Configured global security for WebSphere Application Server using IBM Directory Server as LDAP user registry and configured SSL for ldap communication.
• Setting upJBoss clusterand configuringapachewithJBoss on RedHat Linux
• Participated in on-call rotation to provide 24×7 technical support.
• Process administration and management like monitoring, start/stop/kill various processes.

Environment: Linux (RHEL 3.x/4.x/5.x), Solari8/9/10, AIX,VERITAS Volume Manager, DNS, RAID,SAN/ NAS, NFS, Samba, VMWARE, JBoss, Apache Tomcat, Oracle, WebSphere Application Servers 6.x