SUMMARY

• 7 years of professional experience in Linux systems, Configuration managements, release managements, and Cloud AWS deployments.
• Experienced with understanding of teh principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.
• Experienced in AWS Cloud platform and its features which includes EC2 AMI, EBS Cloud watch, AWS Config, Auto - scaling, IAM, and AWS S3.
• Experienced in Amazon EC2 setting up instances and setting up security groups.
• Setting up databases in AWS using S3 bucket and configuring instance backups to S3 bucket.
• Experience on Virtualization technologies like VMware, Vagrant.
• Extensively used build utilities like Maven, ANT for building of jar, war and ear files.
• Over 2 year of experience in using configuration management tools like Puppet/ Chef/AWS.
• Involved in Chef Deployment on Multiple platforms.
• Configured and monitored distributed and multi-platform servers using chef. Defined Chef Server and workstation to manage and configure nodes.
• Developed Chef Cookbooks to manage systems configuration.
• Have experience on Python Scripting in various projects for automating tasks.
• Extensively worked on Jenkins/Hudson by installing, configuring and maintaining for teh purpose of continuous integration (CI) and for End to End automation for all build and deployments.
• Strong experience utilizing Jenkins for enterprise scale infrastructure configuration and application deployments.
• Experienced in branching, tagging and maintaining teh version across teh environments using SCM tools like GitHub, Subversion (SVN) and TFS on Linux and windows platforms.
• Experienced in installing, configuring, modifying, testing and deploying applications on Apache Webserver, Nginx and Application Servers such as Tomcat, JBoss.
• Strong skills in managing Red Hat Linux servers, Virtualization, and system security.
• Experience with Internet technologies including TCP/IP and HTTP.
• Experience with network systems such as Servers, Switches, Firewalls and Routers.
• Exposed to all aspects of Software Development Life Cycle (SDLC) such as Analysis, Planning, Developing, Testing and implementing and Post-production analysis of teh projects.
• Strong Leadership, Work Independently without Supervision deadlines.

TECHNICAL SKILLS

Cloud Technologies: Amazon Webserver, EC2, S3, IAM, and Load Balancers

Tools: /Frame Work Ant, Chef, Puppet, Subversion, Git, Github, Docker, Winscp, PuttyOperating Systems Windows, LINUX and UNIX

Web/Application Servers: Tomcat Application Server, JBoss Application Server, Ngnix Webserver, Apache Webserver.

Languages/Scripts: C, HTML, Shell, Bash Python, PHP, Ruby and Perl.

MS Office Tools: MS WORD, MS EXCEL, MS POWERPOINT, MS ACCESS, MS VISIO, MS OUTLOOK.

RDBMS Oracle 11g/10g/9/8/7.x, MS SQL Server 7.0, DB2 and My SQL

PROFESSIONAL EXPERIENCE

DevOps/AWS Engineer

Confidential, Vernon hills, IL

Responsibilities:

• Launching Amazon EC2 Cloud Instances using Amazon Web Services (Linux/ Ubuntu/RHEL) and Configuring launched instances with respect to specific applications.
• Installed application on AWS EC2 instances and also configured teh storage on S3 buckets.
• Performed S3 buckets creation, policies and also on teh IAM role based polices and customizing teh JSON template.
• Implemented and maintained teh monitoring and alerting of production and corporate servers/storage using AWS Cloud watch.
• Managed servers on teh Amazon Web Services (AWS) platform instances using Puppet,Chef Configuration management.
• Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server, Managed On-site OS/Applications/Services/ Packages using Chef as well as AWS for EC2/S3&ELB with Chef Cookbooks.
• CreateChefAutomation tools and builds, and do an overall process improvement to any manual processes.
• Written Chef Cookbooks for various DB configurations to modularize and optimize end product configuration.
• Converting production support scripts to chef recipes.
• AWS server provisioning using Chef Recipes.
• Involved in teh installation and configuration of Nginx as a web server.
• Experience with Build Management tools Ant and Maven for writing build.xmls and pom.xmls
• Experienced in build and deployment of Java applications on to different environments such as QA, UAT and Production.
• Branching, Tagging, Release Activities on Version Control Tools: SVN, GitHub.
• Extensive usage of Tortoise SVN in windows environment for version control activities.
• Implemented Continuous Integration using Jenkins and Hudson.
• Manage teh Subversion branching strategy for a few applications by creating Release branches, Development branches thus ensuring teh integrity of trunk.
• Application Deployments & Environment configuration using Chef, Puppet, Ansible.
• Experience working with Puppet Enterprise and Puppet Open Source. Installed, configured, upgraded and managed Puppet Master, Agents & Databases. Integration of Puppet with Apache and Passenger.
• Deployed teh java application into web application servers like Apache Tomcat.
• Experienced in deployment of applications on Apache Webserver, Nginx and Application Servers such as Tomcat, JBoss.
• Implemented unit testing framework driven using Junit and Cucumber.
• Virtualized teh servers using teh Docker for teh test environments and dev-environments needs. And also configuration automation using Docker containers.
• Responsible for Plugin Management, User Management, regular incremental backups and regular maintenance for recovery.
• Worked with various scripting languages like Bash, Perl, Shell, Ruby, PHP and Python.
• Coordinated with teh Offshore and Onshore teams for Production Releases.

DevOps Engineer

Confidential, Austin TX

Responsibilities:

• In-depth understanding of teh principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.
• Responsible for designing and deploying best SCM processes and procedures.
• Automate teh builds and deployment of java projects using ANT and Maven. It is for teh building of deployable artifacts such as WAR & EAR from source code.
• Maintained build related scripts developed in shell for Maven builds. Created and modified build configuration files including POM.xml
• Experience in working on source controller tools like Subversion (SVN), GitHub. And also analyze and resolve conflicts related to merging of source code for SVN and Git.
• Maintained history of all teh repositories using Subversion and Git.
• Designing and implementing CI (Continuous Integration) system: configuring Jenkins servers, Jenkins nodes, and Hudson.
• Responsible for User Management and Plug-in Management for Jenkins
• Configuration Management and Server application management using Chef, Puppet and Ansible.
• Managing virtual machines using VM ware, Oracle Virtual box, Docker.
• Managed and monitored teh server and network infrastructure using NAGIOS, App dynamics.
• Analyzed teh builds using teh sonarQube.
• Production support of Apache and JBoss including installation, configuration, management and troubleshooting.
• Involved in teh installation and configuration of HA-proxy as a Load Balancer.
• Involved in developing custom scripts using Python, PHP, Perl, Ruby, and Shell to automate jobs.

Build and Release Engineer

Confidential, Buffalo NY

Responsibilities:

• Creating teh automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.
• Developed and supported teh Software Release Management procedures.
• Created and implemented Continuous Integration plan in Linux based environments.
• Installed and configured Hudson as a continuous integration server on Linux.
• Configured other build tools Maven, Hudson, and sonar on Linux.
• Integrating teh build tool like Hudson to version control tool SVN, GIT for fully automated Continuous Integration.
• Coordinate with teh Development Teams to receive teh correct versions of re-usable and dependent components and with Environment team for issuing/installing successful builds.
• Installed and administered repository to deploy teh artifacts generated by Maven and to store teh dependent jars which were used during teh build
• Expert in User Management and Plugin Management for Hudson.
• Responsible to push teh front end code to Dev, QA and Stage (Pre PROD) environments.
• Used Jenkins, Build forge for Continuous Integration and deployment into Tomcat Application Server.
• Supported and developed tools for integration, automated testing and release management.
• Involved in Research of teh project application architecture to support/resolve build, compile, and test issues/problems
• Monitored, maintained, and controlled hardware and software configurations in classified network environment.
• Developed UNIX Scripts for teh purpose of manual deployment of teh code to teh different environments and E-mail teh team when teh build is completed.
• Shell scripting for building and deploying Java application to target environments.

Linux System Administrator

Confidential

Responsibilities:

• Involved in design, configuration, installation, implementation, management, maintain and support for teh corporate Linux servers RHEL 3, 4, 5, CENTOS 5, Ubuntu.
• Assisted in upgrading RHEL 5.0 to RHEL 5.5 using live upgrade and manual upgrade.
• Installation of patches and packages using RPM and YUM in Red hat Linux.
• Configuring SUDO and granting root permission to users for performing certain activities.
• Installation, configuration, support and security implementation on following services:
• DHCP: Range of IP, Assigning fixed IP to MAC address
• SSH: Configuring Servers, password-less autantication configuration
• NFS: Configuration, administration, on demand mounting
• NIS: Server and client configuration
• DNS: Server configuration and maintenance
• HTTPD: Apache web server maintenance, installation, configuration, managing web hosting including name-based, secure and private site, monitoring web server performance, certificate generate, security checks and periodic upgrades, manage user accounts, back up.
• Working with developers to load software onto Linux Enterprise servers and also debugging Scripts.
• Good understanding on OSI model, TCP/IP protocol suite (IP, TCP, FTP, SMTP, UDP, SNMP).
• Managed Network troubleshooting applications TCP/IP including Ethernet, IP addressing & Sub netting, routing.
• Using tools like Winscp, Cyber duck, FTP, FileZilla for transferring files from virtual machines to servers.
• Worked on implementing SSL and Root Certs to all teh trust stores of applications
• Worked on configuring web servers like Apache Tomcat, Nginx, and JBoss.

Linux System Administrator

Confidential

Responsibilities:

• Install and configure Ubuntu, Centos on remote servers and Desktop servers.
• Installation of patches and packages using RPM and YUM in Red hat Linux.
• Installed and configured Apache/Tomcat web server.
• Created and modified users and groups with SUDO permission.
• Working with developers to load software onto Linux Enterprise servers and also debugging Scripts.
• Set up and administer user and groups accounts, setting permissions for users.
• Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS, and Apache.
• Creation and administration of Virtual Machines using VMware and virtual box.
• OS upgrades and installation of third party software, packages and patches as per requirement.
• Maintaining teh Linux Firewall for network and implement to teh network security.
• Troubleshooting teh network with teh help of netstat, ping, nslookup and trace route tools.
• Resolving TCP/IP network access problems for teh clients. Develop, Maintain, update various scripts for services (start, stop, restart, recycle, Cron jobs) UNIX based shell.
• Experience installing and configuring SSH (Secure Shell) encryption in order to access securely on Ubuntu and Red hat Linux.
• Responsible for configuring and connection to SSH through SSH clients like Putty and Cyber duck.
• Remotely coping files using SFTP, FTP, SCP, Winscp, and FileZilla.
• Regularly manage backup process for server and client data.
• Installing open source application, search, analyze and develop new application for users.