PROESSIONAL SUMMARY:

• Around 13+ years of experience as a SCM (Software Configuration Management), Build and Release Engineering management from one environment to another environment, Including the VM ware and AWS cloud computing.
• Experience inDevOps, Release Engineering, Configuration Management, Cloud Infrastructure, Automation. It includes Amazon Web Services (AWS), Ant, Apache Maven, Jenkins, SVN, GitHub, Clear Case, Build Forge, Serena PVCS, CVS, Tomcat, JBoss, and Linux.
• Working on applications hosted on AWS and managing VMs in Amazon using AWS and EC2.
• Good experience in Amazon EC2, Amazon S3, Amazon Elastic Load Balancing, Auto - Scaling, Security Groups, Route53, IAM, EBS, AMI, RDS, S3, SNS, SQS, CloudWatch, CloudFormation, CloudFront, Direct Connect and other services of the AWS family.
• Experience in creating and designing the Terraform templates to create custom sized VPC, NAT subnets for deployment of Web application and database templates.
• Designing and distribution of Data across all the nodes and Clusters on different availability zones in AWS Redshift and experience in automating the infrastructure using Terraform in AWS console.
• Familiar with blue/green deployment in AWS.
• Strong experience in Cloud Computing services (IAAS, PAAS, SAAS).
• Experience in installing and using Docker tool box for provisioning different environment solutions.
• Good experience in Container management using Docker in creating images.
• Worked with Amazon AWS/EC2, and Google's Docker based cluster managementenvironment Kubernetes.
• Good understanding of Open shift platform in managing Docker containers and Kubernetes Clusters.
• Used Kubernetes to deploy scale, load balance, scale and manage docker containers with multiple name spaced versions.
• Knowledge in Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker on GCP.
• Created and maintained various Devops related tools for the team such as provisioning scripts, deployment tools and staged virtual environments using Docker and Vagrant.
• Used Debian based Linux servers to install Docker based services, monitor and debug the services.
• Experience in implementing docker-maven-plugin and maven pom to build images for all microservices and later used Dockerfile to build the docker images from the java jar files.
• Worked to setup Jenkins as a service inside the docker swarm cluster to reduce the failover downtime to minutes and to automate the docker containers deployment without using configuration management tool.
• Good hands on experience in branching, tagging and maintaining the version across the environments using SCM tools like Subversion (SVN), CVS and on UNIX and Windows environment.
• Profusely worked on Version control tools like Subversion, GIT, clear case to track changes made by different people in source code.
• Configured and Administered Nexus Repository Manager for GIT repositories and builds.
• Extensively used build utilities like Maven, ANT for building of jar, war, bar and ear files.
• Good knowledge in managing Sonatype Nexus/Artifactory repositories for the maven artifacts and dependencies.
• Implemented Continuous Integration and deployment using various CI Tools like Jenkins, Puppet, Chef, Hudson and Bamboo.
• Extensively worked on Hudson, Jenkins and Team City for continuous integration and for End-to-End automation for all build and deployments.
• Well versed with many different concepts of Chef like Roles, Environments, DataBags, Knife, Test-Kitchen, and Chef Server Admin/Organizations.
• Written Recipes using ruby programming for while using chef.
• Experience in setting up the chef-repo, chef workstations and chef nodes.
• Experience in writing chef cookbooks and unit tests for those cookbooks.
• Installed and configured an automated tool Puppet that included the installation and configuration of the Puppet master, agent nodes and an admin control workstation.
• Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Puppet and Ansible.
• Worked extensively on automation engine Ansible that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.
• Having good Experience in Configuration Management tools like Ansible for transferring and running the modules with the help of SSH based systems.
• Experience in configuring and orchestrating manual processes using Ansible.
• Ability in deploying the developed code in a Web Sphere/Web Logic, Apache Tomcat/JBOSS.
• Excellent knowledge on Java/J2EE and developing XML, HTML, Ruby, Shell/bash and Perl Scripts for automations.
• Extensive experience in all phases of Software Development Life Cycle with emphasis in Designing, Developing, Implementation, Deployment and Support of distributed enterprise scalable, secure and transactional J2EE applications.
• Hands on involvement in redesigning servers using RPM, Apt-get and Yum bundle installer.
• Infrastructure management, infrastructure health metrics and performance monitoring using CloudWatch, Nagios, Logstash, Dynatrace and Splunk.
• Worked with different Bug tracking tools like JIRA, Rally, Remedy, HP Quality Center and IBM Clear Quest.
• Worked on POC and implementation ofELKstack.
• Experience working with Oracle 9i/10g. Prior coding skills in PL/SQL, triggers, stored procedures, design and creation of databases, schemas, tables and indexes.
• Strong comprehension of central advancements like DNS, Load Balancing, SSL, TCP/IP, system administration and security best practices and capable chipping away at Windows Active Directory, DNS, DHCP.
• Closely worked with development, QA and other teams to ensure automated test efforts are tightly integrated with the build system and in fixing the error while doing the deployment and building.
• Experience in System Administration on various platforms which includes Red hat Linux, Solaris, SUSE Linux, CentOS, Windows environments, VMware ESX/ESXi and VMware vSphere.
• Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, Scrum, and Waterfall methodologies.
• Efficient in working closely with core product teams to ensure high quality and timely delivery of builds.
• Day-Day application support on production and technical documentation for critical production issues, on-call pager support 24/7 environment

TECHNICAL SKILLS:

Operating Systems: Linux (Red Hat 4.x, 5.x, 6.x,7.x), WINDOWS NT/2000/2003/XP/VISTA/7, UNIX - Sun Solaris v 9, 10, Ubuntu 12.x,13.x,14.x,15.x

Versioning Tools: Subversion, CVS, Clear Case, Git, Bit Bucket, Git Lab.

CI/CD Tools: Hudson, Jenkins, Bamboo, Puppet, Chef, Team City, Cruise Control, Ansible, Salt Stack

Build Tools: Ant, Maven, Gradle

Monitoring Tools: Rally, Nagios, Splunk, Grafana, Dynatrace

Languages: C, C++, Java/J2EE and Python

Scripting: Shell, Power Shell, Batch, Python, Perl, Ruby

Virtualization: VMware ESX/ESXi, Fusion, Hypervisor, Docker, Vagrant

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

Web Servers: WebLogic, WebSphere, JBoss, Tomcat, Apache, Nginx

Ticketing Tools: Clear Case, Clear Quest, HPSM, Jira, Remedy, Nexus

Artifacts Repository: Artifactory, Nexus

Code Review Tools: Sonar, PMD, Checkstyle

Database: Oracle, DB2, SQL Server, MySQL, Mongodb, Cassandra

Cloud: Amazon Web Services, Google Cloud, Microsoft Azure

PROFESSIONAL EXPERIENCE:

Confidential, OR

Sr. Devops/AWS Engineer

Responsibilities:

• Worked as a DevOps Engineer for a team that involves three different development teams and multiple simultaneous software releases.
• Configure, monitor and automate Amazon Web Services as well as involved in deploying the content cloud platform on Amazon Web Services using EC2, S3 and EBS.
• Installation, Configuration and Management of RDBMS and NoSQL tools such as DynamoDB.
• Created S3 buckets and maintained and utilized the policy management of S3 buckets and Glacier for storage and backup on AWS.
• Developed a notification system using LAMP, PHP, MVC and Amazon Web services.
• Involved heavily in setting up the CI/CD pipeline using Github, Jenkins, Maven, Nexus, Chef, Terraform and AWS.
• Configured an AWS Virtual Private Cloud (VPC) and Database Subnet Group for isolation of resources within the Amazon RDS Aurora DB cluster.
• Experience in creating notifications and alarms for EC2 instances using CloudWatch.
• Created Snapshots and Amazon Machine Images (AMI's) of EC2 Instance for snapshots and creating clone’s instances.
• Wrote shell script to automate the shredding process of unattached volumes in AWS environment using AWS CLI.
• Implementing Blue-Green Deployment
• Written Templates for AWS infrastructure as a code using Terraform to build staging and production environments.
• Implemented Terraform modules for deployment of applications across multiple cloud providers.
• Coordinated with developers for establishing and applying appropriate branching, labeling/naming conventions using Subversion (SVN) and GIT source control.
• Responsible for design and maintenance of the Git Stash Repositories, views and the access. Used automated code check-outs in Git and created branches
• Proposed, Implemented and maintained New Branching strategies for development teams to support trunk, development baseline code along with several feature branches.
• Responsible for defining branching & merging strategy, check-in policies, improving code quality, automated Gated Check-ins, defining backup and archival plans.
• Built scripts using ANT and MAVEN build tools in Jenkins to move from one environment to other environments.
• Configured GIT with Jenkins and schedule jobs using POLL SCM option.
• Responsible for installing Jenkins master and slave nodes and configure Jenkins builds for continuous integration and delivery.
• Used Jenkins, Build forge for Continuous Integration and deployment into Tomcat Application Server.
• Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, GIT with Dev/Test/Prod Branching Model for weekly releases.
• Created Docker images using a Dockerfile, worked on Docker container snapshots, removing images and managing Docker volumes.
• Utilized Configuration Management Tool Chef and created Chef Cookbooks using recipes to automate system operations.
• Docker/Kubernetes Containerization of cloud based applications.
• Written Chef Cookbooks for various DB configurations to modularize and optimize product configuration, converting production support scripts to Chef Recipes andAWSserver provisioning using Chef Recipes.
• Involved in build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing Chef with AWS Cloud Formation and Jenkins for continuous integration.
• Strong understanding of infrastructure automation tooling using Docker and Ansible.
• Hands-on experience on Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Implemented Infrastructure automation through Ansible for auto provisioning, code deployments, software installation and configuration updates.
• Experience in working with GIT to store the code and integrated it to Ansible Tower to deploy the playbook.
• Wrote several Ansible playbooks for the automation that was defined through tasks using YAML format and run Ansible Scripts to provision Dev servers.
• Extensively experienced in Bash, Perl, Python, Ruby scripting on Linux.
• Experience in deploying system stacks for different environments like Dev, UAT, Prod in both on premise and cloud infrastructure.
• Built and maintained Elasticsearch, Logstash, Kibana stack to centrally collect logs that are used to monitor applications
• Extensively worked on Jenkins for continuous integration and for End-to-End automation for all build.
• Installed, monitored and configured Applications in Nginx and Apache Tomcat Server and establish connectivity to databases and troubleshoot issues on the fly.
• Worked on apache camel project for transporting messages to active MQ service bus for integration with other projects.
• Code Quality Analysis techniques are performed by integrating Checkstyle, Find bugs, PMD with CI tools.
• Pipelined Application Logs from App Servers to Elasticsearch (ELKStack) through Logstash.
• Worked on integrating application logs withSplunkand wrote several customSplunkqueries for monitoring and alerting.
• Used Dynatrace for creating executive dashboards/Reports.
• Managed Elastic Cloud Computing (EC2) instances utilizing auto scaling, Elastic Load Balancing, and Glacier for our QA and UAT environments as well as infrastructure servers for GIT and Chef.
• Created test branches from master branch of each repositories on GIT to perform testing of Gradle upgrade to LSR and then assisted DEV teams to do the same successfully.
• Used Atlassian JIRA as tracking tool in this project.

Environment: Git, SVN, Maven, Ant, Jenkins, Chef, Ansible, Web Sphere, Jira, JBoss Application Servers, Apache Tomcat, ELK, Agile/Scrum, SDLC, Windows, Docker, Nginx, AWS EC-2, Route 53, S3, VPC, EMR, SQS, Autoscaling, ELB, Shell Scripts, Confluence, Campaign Packaging Tool, Unix/ Linux environment.

Confidential

Devops/Cloud Engineer

Responsibilities:

• Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Setup and build AWS infrastructure in various resources VPC, EC2, S3, IAM, EBS, Security Group, Auto Scaling, RDS in Cloud formation JSON templates.
• Installed, configured and managed the ELK (Elastic Search, Log stash and Kibana) for Log management within EC2 / Elastic Load balancer for Elastic Search.
• Configured AWS IAM and Security Group in Public and Private Subnets in VPC.
• Involved in architecting and deploying of fault tolerant, highly available, cost effective and secure servers in AWS.
• Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby, and Docker on familiar servers such as Apache, and IIS.
• Experience working on Docker hub, creating Docker images, and handling multiple images primarily for middleware installations and domain configuration.
• To achieve Continuous Delivery goal on high scalable environment, used Docker coupled with load-balancing tool Nginx.
• Created the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system.
• Used GIT to keep track of all changes in source code.
• Analyzed and resolved conflicts related to merging of source code for GIT.
• Designed and maintained the GIT Repositories and the access control strategies.
• Performed all necessary day-to-day GIT support for different projects.
• Implemented and Maintained the Branching and Build/Release strategies utilizing GIT source code management.
• Implemented new projects builds framework using Jenkins & maven as build framework tools.
• Worked on configuring the Jenkins to use Meta Case Software to build Java code and to do the whole Continuous Integration process on the java code generated by Meta Case.
• Used Maven as build tool on Java projects for the development of build artifacts on the source code.
• Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation-using Jenkins along with Python and Shell scripts to automate routine jobs.
• Installed, Configured and Administered Hudson Continuous Integration Tools.
• Developed automation framework for Application Deployments to the cloud environments.
• Installed Chef Server on the workstation and bootstrapped the nodes using Knife, and involved in writing Chef Cookbooks and recipes to automate the deployment process.
• Involved in integrating chef cookbooks into Jenkins jobs for CD framework, and worked with various custom resources, created roles & environments, and using chef handlers for different auto kickoff requirement jobs.
• Migrated Legacy applications to a repeatable Continuous Integration platform.
• Designed and implemented Chef, including the internal best practices, cookbooks automated cook books CI and CD system.
• Installed, Configured, Managed Monitoring Tools such as Nagios, iCinga for Resource Monitoring/Network Monitoring/Log Trace Monitoring.
• Developed Perl and shell scripts for automation of the build and release process, developed Custom Scripts to monitor repositories, Server storage.
• Automated the cloud deployments using Chef, Python (boto & fabric) and AWS Cloud Formation Templates.
• Deployed the Java applications into web application servers like JBoss.
• Created Pre-commit hooks in Perl/shell/bash for authentication with JIRA-Pattern Id while committing codes in SVN, limiting file size code and file type and restricting development team to check-in while code commit.
• Performed and deployed Builds for various Environments like QA, Integration, UAT and Productions Environments
• Worked on the cloud-based diagramming software called Gliffy for creating different types of design documents required for the continuous integration process.
• Organized and Coordinated Product Releases, work closely with product development, QA, Support across global locations to ensure successful releases.
• Used Nagios as a monitoring tool to identify and resolve infrastructure problems before they affect critical processes and worked on Nagios Event handlers in case of automatic restart of failed applications and services.
• Worked on Apache and Firewalls in both development and production.
• Deployed and configured JIIRA, both hosted and local instances for issue tracking, workflow collaboration, and tool-chain automation.

Environment: Git, Ant, Maven, Hudson, Jenkins, Chef, Docker, JBoss, Splunk, Nagios, iCinga, EC2, S3, RDS, EBS, Elastic Load Balancer, Auto Scaling, Perl, Shell, JIIRA, Python, Gliffy, Nginx, Apache, Tomcat.

Confidential

Devops/Cloud Engineer

Responsibilities:

• Plan, deploy, monitor, and maintain Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare VM's as required in the environment.
• Installed and configured AWS GovCloud services like EC2, S3, RDS, ELB, and EBS.
• Designed and implemented Amazon GovCloud Monitoring like Lambda, CloudWatch, CloudTrail, Config.
• Involved in automating the infrastructure using Docker and Chef.
• Environment provisioning solutions using Docker, Vagrant, RedHat and development on scalable Linux deployments on AWS via CoreOS and Docker.
• Created branches and managed the source code for various applications in GIT.
• Created various ANT and Maven scripts to create multiple deployment profiles and deploy the applications to Apache Tomcat.
• Setup various Jenkins jobs for build and test automation.
• Designed project workflows and pipelines using Jenkins as CI tool.
• Implemented a CD pipeline involving Jenkins & GIT to complete the automation from commit to deployment.
• Installing, configuring and administering Jenkins CI tool on Linux machines.
• Implemented the setup for Master slave architecture to improve the Performance of Jenkins.
• Integration of Automated Build with Deployment Pipeline. Installed Chef Server and clients to pick up the Build from Jenkins repository and deploy in target environments.
• Implemented Infrastructure automation through Chef for auto provisioning, code deployments, software installation and configuration updates.
• Used Chef as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Implied in testing cookbooks on different platforms using Chef Kitchen.
• Hands-On knowledge with the Chef DK for storing cookbooks and in documenting the pattern and use of Delivery CLI to automate the adeptness in Chef, and maintaining and accessing the infrastructure through Chef Compliance and Inspect the node to test the infrastructure by specifying the policies to follow.
• Developed cloud architecture, governance policies, Security models and best practice.
• Written pre-and post-commit hook scripts to accommodate various development requests.
• Experience on App Dynamics Installed and setup, Controller agent. And HA Controller Monitoring all the applications.
• Involved in Design Documentation for App dynamics.
• Used Node.js for server-side code and Express.js as the framework. Written callback functions for the RESTful API.
• Wrote modules for configuration management including module for Zabbix. The module installs agent, puts in the configuration file (zabbixagent. conf) and maintains the Zabbix service in the running state.
• Used resources types like file, package, exec extensively for the modules and involved in editing, creating and fine-tuning modules.
• Implemented zero downtime deployment process in WebLogic using python and shell script and automated it using Jenkins.

Environment: Git, Ant, Maven, Jenkins, Chef, Docker, YAML, App Dynamics, Node.js, Rest Services, Zabbix, Lambda, Cloud Watch, Cloud Trail, Config, EC2, S3, RDS, ELB, EBS, Vagrant, Redhat, AmazonGovCloud, Apache Tomcat.

Confidential

Software Release Engineer

Responsibilities:

• Responsible for creating software builds and releases, including the design and development of builds, scripts, installation procedures and systems, including source code control and issue tracking.
• Worked closely with the development and quality assurance teams to ensure final release build meets the organizational standards.
• Maintained build related scripts developed in ANT, Python and shell. Modified build configuration files including Ant's build.xml.
• Worked with development team to migrate Ant scripts to Maven.
• Experienced in authoring pom.xml files, performing releases with the Maven release plugin, Modernization of Java projects and managing Maven repositories.
• Researched and implemented code coverage and unit test plug-ins with Maven.
• Used Maven dependency management system to deploy snapshot and release artifacts to Nexus to share artifacts across projects.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Participated in the release cycle of the product which involves environments like Development, QA, UAT and Production.
• Coordinate with the Development, Database Administration, QA, and IT Operations teams to ensure there are no resource conflicts.
• Managing the code migration from CVS and Star team to Subversion repository.
• Created repositories according the structure required with branches, tags and trunks.
• Configured application servers (JBOSS) to deploy the code.
• Configured plugins for the integration tools to the version control tools.
• Worked with the developers to configure plugins through Eclipse to develop the code.
• For check in process used Tortoise SVN as a migration tool.
• Utilize Jira for issue reporting, status, and activity planning.
• Extensively used ANT tool to do the builds, integrated ANT to Eclipse and did local builds.
• Integrated Apache Maven with Jenkins for the builds as the Continuous Integration process.
• Build Java code and .NET code on to different Jenkins servers as per the schedule.
• Responsible for communicating next steps, deployment schedules, quality assurance, validation and defect tracking/ resolution.

Environment: Subversion, Jenkins, Web Services, Web logic, Oracle, Maven, J2EE, Web, Ant, Eclipse, JBOSS, Python.

Confidential

Linux Administrator

Responsibilities:

• Responsible for creating virtual machines and installing Redhat Enterprise Linux, CentOS and Ubuntu on it.
• Monitor and analyze servers and resolve any problems, maintain systems reporting, tuning.
• Created users, manage user permissions, maintain User and File system quota on Linux servers.
• Configuration of all data sources, s as per the TAD from web engineers.
• Used configuration management tools such as Puppet and satellite.
• Worked on Installing and configuring Puppet and creating manifests for new servers and pushing them to servers using modules.
• Tested Puppet Enterprise in lab environment and successfully set up node communication.
• Used Puppet to deploy code on multiple servers at a time.
• Worked with DEV and Test teams to develop Puppet modules for auto deployment integrate with Jenkins to support CI/CD model.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs usingLogical Volume Manager (LVM) commands.
• Diagnose and resolve problems associated with DHCP, DNS, VPN, NFS, Tomcat and Apache.
• Worked closely with the Networks and Security Team in opening firewalls and DNS requests required for infrastructure.
• Proficient in Networking and configuring TCP/IP, DNS, NFS, NIS, NIS+, SAMBA, LDAP, SSH, SSL, SFTP, SMTP, SNMP.
• Managed systems routine backup, scheduling jobs, enabling Cron jobs, enabling system logging and network logging of servers for maintenance.
• Performed RPM and YUM package installations, Change Management requests for software releases, patches.
• Installs Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Utilizing SAR, Netstat, Iostat and Vmstat for performance analysis, tuning and capacity planning, problem prevention, detection, and resolution.
• Coordinate and assist developers with establishing and applying appropriate branching, Continuous Delivery isbeing enabled through Deployment into several environments of Test, QA, and Production using Nexus and Jenkins.
• Configuring SUDO and granting root permission to Backup Admins/DBAs to perform root related activities.
• Creating and modifying Standing Operating procedures for the team.
• Modifying and Writing scripts in Bash and Korn shell for optimizing day to day administration.
• Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell scripts.
• Wrote shell scripts for automating builds and deployment process.
• Deployment applications (JAR and WAR, RAR and EAR) and related troubleshooting in clustered environmentusing Admin console and Bash scripts.

Environment: Puppet, Satellite, Shell Scripting, Jenkins Redhat Linux, CentOS, Ubuntu, TCP/IP, DNS, NFS, NIS, NIS+, SAMBA, LDAP, SSH, SSL, SFTP, SMTP, SNMP, DHCP, DNS, VPN, NFS, Tomcat and Apache

Confidential

Systems Administrator

Responsibilities:

• Assist Senior Systems Administrators/Production Engineers with the design, development, and maintenance of security systems like firewalls, load-balancers, authorities, etc.
• Implemented & maintained the branching and build/release strategies utilizing Subversion in Linux environments.
• Maintained History of all the repositories using Subversion.
• Used Clear case (Base) as version control to store source code.
• Helped developers to resolve subversion code merging issues.
• Responsible for designing and deploying best SCM processes and procedures.
• Used ANT as build automation tool for Java based projects.
• Build and release software baselines, code merges, branch and label creation and interfaced between development and infrastructure.
• Good Quality release notes. Implemented sustainable branching models for organizations
• Performed regular builds and deployment of the packages for testing in different Environments
• Created release notes for all the build.
• Maintained other internal tools written in Shell, Python and Ruby.
• Following up with the Test Team & Development Team to resolve the build issue.
• Documented the policies and procedures for branching, labeling, code merging, check-in/check-out, and builds.
• Deployed artifacts to application servers.

Environment: Redhat Linux, CentOS, SubVersion, ANT, Python, Ruby, Shell Scripting, SCM