 Responsible for Infrastructure Automation, Developing tools for Database Infrastructure Automation and Monitoring with Continuous Integration and Continuous Deployment/Delivery pipeline. Utilizing S3 bucket and Glacier for storage and backup on AWS. Configured Elastic Load Balancers with EC2Autoscaling groups. Worked with data bags, attributes, cookbooks, recipes, and templates in Chef. Supporting Development team to implement the process of automation of builds and deployment using chef. Created various cookbooks for automating network configurations in chef-server. Chef is built on top of the Ruby programming language, when needed have Ruby to customize Chef. Implemented Chef to deploy the builds for Dev, QA and production. Using Chef, enable web IT providing support for managing cloud infrastructure. Chef to speed up application deployment, even creating a continual deployment pipeline. Written wrapper scripts to automate deployment of cookbooks on nodes and running the chef client on them in a Chef-Solo environment. Maintained build related scripts developed in ANT and shell. Modified build configuration files including Ant’s build.xml. Proficient in automating build and configuration process using tools like ANT, Maven, Hudson/Jenkins and Puppet/Chef. Experience in setting up CRON jobs on production servers by using Jenkins. Automated Nagios alerts and email notifications using Ruby and python script and executed them through Chef. Experience with Linux systems, virtualization in a large-scale environment, experience with Linux Containers (LXC) and Docker. 100% Automation of test scripts and enabled Production deployment team to execute the same using Jenkins jobs in Production environment. Created machine environments with Chef and deployed cloud with node workstation. Maintained JIRA for tracking and updating project defects and tasks.

 Managed and improvised the build infrastructure for global software development teams including implementation of build, continuous integration (CI) and deployment (CD). DevOps Engineer for a team that involved different development teams and multiple simultaneous software releases and efficient two way code synchronization every day, Build, release & Test accordingly. Plan, deploy, monitor, and maintain Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare Vm's as required in the environment. Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud. Deployed and configured Git repositories with branching, forks, tagging, and notifications. Experienced and proficient deploying and administering GitHub. Triggering the SIT environment build of client remotely through Jenkins. Extensively worked in building Puppet enterprise modules using puppet DSL to automate infrastructure provisioning and configuration automation across the environments. Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure. Used Puppet, Ansible to manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, Packages. Configured SSL/TLS in every application layer and configuration of mutual authentication, manually using Ansible, Puppet. Implemented zero downtime deployment process in WebLogic using python and shell script and automated it using Jenkins. Scheduled, deployed and managed container replicas onto a node cluster using Kubernetes.

 knowledge of Amazon EC2, EBS, VPC, Cloud Watch, Amazon S3, Amazon Elastic Load Balancing and other services of the AWS family Worked as a release lead in Software Release/Configuration management and Build/Deploy Process. Configured and setup the build and deployment in Dev/SIT/QA environments for multiple releases. Developed Perl and shell scripts for automation of the build and release process. Performed all necessary day-to-day Subversion functions for the project like merging, creating branches and tags using Tortoise SVN/Visual SVN. Setup and configured Continuous Integration tools Hudson, Cruise Control. Created Jobs for the projects build and deployment. Scheduling the build and deployment using Crontab. Developed and maintained build and deployment scripting tools in Perl, NAnt, PowerShell. Create and maintain Subversion Branching, Merging and Tagging across teach production releases and perform builds using Hudson Continuous Integration. Worked on Integrated JIRA with subversion and Jenkins to automate the weekly. Debugging the code (Java, UNIX, and Linux) when build errors occur and resolving them along with the developers. Handling SONAR tool to generate Static Code Analysis report and Code health report and to prepare code metrics. Coordinated with the Project Management, Development and QA Team in resolving any Build and Release issues and to provide smooth release process.

 Developed and implemented Software Build and Release Management strategies for various applications per the agile process. Server builds and deployment (CentOS, RHEL, Solaris), using interactive and advance installation methods (Kickstart and Jumpstart).  The operating systems involved for migration were Linux Redhat, AIX and Solaris. Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL databases in both development and production. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers. Installation and configuration of Redhat virtual servers using ESXi 4/5 and Solaris servers (LDOMS) using scripts and Ops Center. Addition and configuration of SAN disks for LVM on Linux, and Veritas Volume Manager and ZFS on Solaris LDOMs. Installed and maintained web servers JBoss, Jakarta Tomcat and Apache HTTP Web server in Red Hat Linux. Implemented open source base monitoring tool Nagios 3.0 for servers, SAN switches, EMC SAN Storage and VMware ESX and ESXi. Proficient DB administration (Oracle, DB2, Mongo, MySql, Sybase and SQL) knowledge for maintaining, pruning, and performing required DB tasks. Maintained system security, including password checks, permission scans, implementation of security ensuring tools Linux environment. Developed complex administration, monitoring and management utilities using Perl, Python and UNIX shells. Configuration and maintenance of common Linux applications such as Apache, active, NFS, DHCP, BIND, SSH, and SNMP. Involved in documenting of Linux and Windows environment and configuration details.

 Installed, Deployed Red Hat Enterprise Linux 6.x/7.x, CentOS and installation of packages and patches for Red Hat Linux Servers. Creation of Kickstart imgaes for the different version of Redhat Linux Operating system like 5.x & 6.x  Creating the server profile and making the network and SAN virtual configuration using Virtual Connect in blade center C7000. Configuration and administration of LDAP, NFS, FTP, SAMBA and POSTFIX Servers in Red Hat Enterprise Linux. Setup NFS Servers, Diskless clients and Auto clients and automated the file systems using direct and indirect automount maps.  Shell scripting for database startups, backups using bash shell scripting. Installation of Firewall checkpoint. Installed and configured IPFilter, to protect Linux system that was placed on the Internet. Monitored servers, switches, ports with Nagios monitoring tool.  Managing and troubleshooting issues with load balancers using F5 to balance the load among the application servers. Experience in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.