PROFESSIONAL SUMMARY:

• Over 8 years of professional experience in the field of IT industry focused on multiple
• Cloud technologies, DevOps and Linux system administrator that includes the principles with Continuous Integration, Continuous Delivery and Continuous Deployment.
• Experience in Installation, Configuration, Management of various flavors of Linux (RHEL, CentOS, and Ubuntu), and built customized infrastructure for multiple applications on cloud, on - premises and established connectivity between all the resources.
• Experienced in designing & deploying applications utilizing AWS services like EC2, EBS, Route53, S3 bucket, S3 Glacier, Lambda, RDS, Dynamo DB, Elastic Load Balancer, Identity Access Management focusing on high-availability, fault tolerance, auto-scaling in AWS Cloud Formation.
• Experienced in setting up database instances in Amazon Web Services (AWS) using RDS, DynamoDB, storage using S3 bucket and configuring instance backups and archives to Amazon Glacier archives, and configured AWS Redshift for Data Warehousing.
• Experienced on various Azure Services like Virtual Machines (VM’s), Active Directory, Web Roles, Worker Roles, Azure Websites, Azure SQL, Storage, Azure Virtual Network (VNet), Azure Active Directory, API Management, Load Balancing, Auto Scaling, and Power Shell Automation.
• Experienced in configuring and deploying Azure Automation scripts for applications utilizing the Azure services that including compute, blobs, Azure Data Factory (ADF), Azure Data Lake, Azure SQL, Azure Kubernetes service (AKS) and ARM templates and utilities focusing on Automation.
• Experienced in Google cloud platform (GCP) services like compute engine, cloud load balancing, cloud storage, cloud SQL, stack driver monitoring and cloud deployment manager.
• Experienced in building sophisticated and highly automated infrastructure as code using Cloud Formation, Azure Resource Manager (ARM), Cloud Deployment Manager and Terraform automation frameworks in cloud platforms like AWS, Azure and GCP.
• Extensive experience in the implementation of Continuous Integration (CI), Continuous Delivery and Continuous Deployment (CD) on various Java based Applications using Jenkins, Ansible, Chef, Puppet, Maven, Git, Nexus, Docker and Kubernetes.
• Experienced in writing Ansible Playbooks for automating CI/CD pipelines, deploying, updating launch configuration for microservices, provisioning load balancers, and auto-scaling instances.
• Experienced in working with Ansible Tower to manage multiple nodes and inventory for different environments, automated repetitive tasks and deployed critical applications on cloud using Ansible, and AWS Cloud Formation Templates.
• Experienced in building Docker containers using docker compose, automated Docker Image build and pushed those artifacts to Nexus using Jenkins.
• Experienced in using Kubernetes to provide a platform for automating deployment, scaling, and operations of application containers across several clusters of hosts.
• Expert in writing Jenkins pipelines to drive all the micro services builds out to the Docker registry and then deployed the docker images to the Kubernetes, created pods and managed using Kubernetes.
• Experienced in deploying and configuring Chef server including bootstrapping of Chef Client nodes for provisioning and created roles, recipes, cookbooks and uploaded them to the Chef server.
• Experienced in managing on-site OS, Applications, Services, Packages using Chef as well as AWS for EC2, S3 buckets, Route53 and Elastic Load Balancer (ELB) with Chef Cookbooks.
• Experienced in working on Chef with Knife commands to manage Nodes, Cookbooks, Chef Recipes, Chef attributes, Chef Templates and used Ruby scripting on Chef automation for creating cookbooks comprising all resources, templates, attributes.
• Experienced in deploying Puppet, Puppet Dashboard and Puppet DB to existing infrastructure and created puppet modules for Protocols configuration and managing them using Puppet automation.
• Experienced in writing Puppet manifests for deploying, configuring, installing and managing collected for metric collection and monitoring and constructed the puppet modules for continuous deployment.
• Extensively worked on Jenkins for Continuous Integration (CI) from pulling code from version control tools like GIT, Subversion, and building of deployable artifacts from source code using build tools like Ant, Maven and used artifacts repository managers like Nexus, JFrog for storing the builds.
• Expert in using source code version tools like Subversion, Git on LINUX and Windows environment.
• Experienced in deploying and configuring Git repositories with branches, forks, tags, cloning, labels and merge requests.
• Proficient in scripting languages like Shell, Python, Ruby, Power Shell, Bash, YAML, Groovy scripts.
• Complete understanding of Software Development Life Cycle (SDLC) with Agile Methodologies.
• Experienced in setting up JIRA as defect tracking tool and configured various plugins, workflows, customizations for JIRA bug tracker. Involved in planning and execution of the migration from Bugzilla-based bug-tracking and Jenkins CI tool in to JIRA.
• Experienced with Atlassian tools like JIRA, Bamboo and Confluence, it’s installation, administration, maintenance and deployed these Atlassian products.
• Experienced on working with system health and performance Monitoring Tools like Nagios, Splunk, Cloud Watch, Azure Monitor, Google Stack driver, ELK (Elastic search, Log stash and Kibana) stack.
• Experienced in creative and effective front-end development using JSP, JavaScript, HTML, JQuery, Angular Js, Bootstrap, React JS, AJAX, CSS.
• Used databases like RDS, MySQL, and DynamoDB to perform basic database administration.
• Involved in Day-to-day administration of the environment systems like Development, Production and Test and provided 24x7 system on-call support.

TECHNICAL SKILLS:

Cloud Environment: Amazon Web Services (AWS), Azure, Google Cloud Platform (GCP)

Platforms: C, C++, C#, Java/J2EE

Scripting: Shell, Python, Ruby, Power Shell, YAML, Groovy, Bash

Web Technologies/Frameworks: HTML, JSP, JSTL, JavaScript, CSS, Servlets

Version Control Tools: SVN (Subversion), GIT, CVS, GitLab, GitHub, Bitbucket

Build Tools: Ant, Maven

Configuration Management: Chef, Puppet, Ansible

Continuous Integration Tools: Jenkins, UDeploy

Ticketing Tools: JIRA, Bugzilla and Confluence

Monitoring Tools: Nagios, Splunk, Cloud Watch, ELK Stack

Artifactory Repositories: Nexus, JFrog

Methodologies: Agile, Scrum, Waterfall

Operating Systems: Unix/Linux (Red Hat, CentOS, SUSE), Solaris, Ubuntu, Windows 2008, 2012 Server, XP, Vista

Databases: Oracle, MS SQL Server, MySQL, Dynamo DB, Mongo DB, NoSQL, PostgreSQL

Virtualization: Virtual Box, VMWare, Windows Hyper: V

WORK EXPERIENCE:

Platform Automation Engineer / Sr. DevOps Cloud Engineer

Confidential, Irving, TX

Responsibilities:

• Wrote Terraform scripts for creating & deploying of EC2 Instances, VPC’s, Account management on AWS.
• Used Terraform scripts to provision various databases such as Aurora Postgres, EMR, Redis, Redshift, created clusters and helped application teams with the migration process.
• Created Terraform module for managing Groups, Roles, Policies, Users and Identity providers in AWS using Identity Access Management.
• Used Terraform modules to create DNS records, load balancers, subnets, peering connections, VPC endpoints, VPN gateways.
• Configured AWS security group rules using Terraform scripts to allow or deny traffic to and from the VM’s instances.
• Managed Network security using Load Balancing , Auto Scaling , setting up Security groups and NACLs in AWS .
• Performed S3 bucket creation, wrote IAM role-based policies to provide read/write access for them through JSON templates.
• Created and managed multi-region Kubernetes cluster through Rancher via Terraform scripts. Provisioned separate clusters for Dev, Testing and Production and helped application teams to projects and namespaces to run within the Kubernetes Cluster.
• Worked on Docker and Kubernetes on cloud platform, provided support to developers in building, containerization and deploying of their applications in cloud environment.
• Worked on creation of custom Docker container images, tagging and pushing the images.
• Designed and created Docker images using Docker files. Hands-on experience with Docker container snapshots and managed Docker volumes.
• Experience in developing scripts using RESTful API models for the purposes of integrating workflows with AWS.
• Created Multi-Region Kafka clusters in AWS cloud and monitored Cluster health and stats from control center. Used Splunk as monitoring tool for checking Kafka logs for the clusters.
• Involved in the Migration of applications from the On-Premise Servers to cloud server AWS, created needed infrastructure for the applications to get migrated.
• Scripted Ansible Playbooks to manage configurations, package installations on AWS instances.
• Involved in Setting up the backup server for Jenkins and prepared disaster recovery plans for Jenkins.
• Wrote several Playbooks and created various roles for applications using Ansible and deployed the Applications/Services on the hosts.
• Wrote Jenkins pipeline to create and share AMI in both Production and non-production environment.
• Configured SonarQube code quality tool to analyze quality of code and integrated with Jenkins.
• Performed security scan on Docker images using Black Duck tool through automated Jenkins pipeline and involved in publishing artifacts to JFROG artifactory.
• Worked on microservices project to build docker containers and deploy them to Dev, UAT, PROD.
• Responsible for monthly maintenance tasks administration such as deploying RHEL based AMI’s after patching using automation scripts in Dev, UAT, Infra and Prod accounts, which includes testing, upgrading, loading patches and troubleshooting.
• Used GIT as source code repository and managed GIT repositories for branching, merging and tagging.
• Coordinated and assisted developers with establishing and applying appropriate branching, labelling/ naming conventions using GIT source control, analyzed and resolved merge conflicts in GIT.
• Used Splunk to monitor applications deployed on application servers and to analyze the log files.
• Participated in scrum meetings, sprint planning, product backlog and other scrum activities and artifacts in collaboration with the team.

Sr. Cloud/ DevOps Engineer

Confidential, Irving, TX

Responsibilities:

• Using AWS for creating new instances, checking security group settings, adding and deleting elastic IP’s for the servers, applying the inbound IP addresses as needed.
• Created Users, Groups, Roles, Policies and Identity providers in AWS using Identity Access Management for improvement in login authentication.
• Designed AWS Cloud Formation templates to create customized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Created functions and assigned roles in AWS Lambda to run python scripts, and AWS Lambda using java to perform event driven processing. Created Lambda jobs and configured Roles using AWS CLI.
• Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python and Ruby on familiar servers such as Apache, and IIS.
• Created and managed policies for S3 buckets, Utilized and moved S3 buckets to Glacier for the storage in AWS.
• Maintained DNS records using Route53. Used Amazon Route53 to manage DNS zones and gave public DNS names to Elastic load balancers (ELB) IP's.
• Involved in setting up Auto scaling of instance group using AWS CLI (command line interface) and implemented for AWS cloud environments such as Production/Development/Testing environments.
• Configured AWS ECS for deploying and orchestrating containers by defining tasks and services. Leveraged Blue-Green deployment by developing Ansible playbook to change configuration of services to ramp up or down the number of Tasks running in the overall cluster.
• Designed and implemented Azure Virtual Networks (VNets) with subnets & network security groups.
• Created and deployed VM’s on Microsoft cloud service Azure, created and managed the virtual networks to connect all the servers and designed, deployed Infrastructure-as-Code (IaC) applications using Azure Resource Manager (JSON) templates for Azure platform.
• Converted existing Virtual Machine from Standard to Premium Storage Account and performed patching and validating of Virtual Machine (VM) in Azure.
• Involved in the Migration of applications from the On-Premise Servers to cloud server Azure.
• Configured Ansible control machine & wrote Ansible playbooks with Ansible roles. Created inventory in Ansible for automating the continuous deployment and wrote playbooks using YAML scripting.
• Installed & Implemented Ansible configuration management system. Used Ansible to manage Web applications, Environments configuration Files, Users, Services, Resources, Mount points & Packages.
• Provisioned the highly available EC2 Instances using Terraform and cloud formation and wrote new python scripts to support new functionality in Terraform.
• Deployed Ansible playbooks in AWS environment using Terraform as well as created Ansible roles using YAML. Used Ansible to configure Tomcat servers and their maintenance.
• Worked with Ansible and Ansible Tower as Configuration management (CM) tool, to automate repetitive tasks, quickly deploy critical applications.
• Day to day job not only included handling Tickets, Monitoring, Troubleshooting and maintenance but also included architecting and designing Rapid deployment method using Ansible to auto deploy servers.
• Used Ansible playbooks to setup Continuous Delivery (CD) pipeline which primarily consists of Jenkins to run packages and it’s supporting software components which are from Maven build tool.
• Worked on Docker container snapshots, attaching to a running container, removing images, managing directory structures and managing containers. Created packages in containers and committed those containers using both Docker file and Docker commit command and updated them in to Docker registry.
• Worked on installing, configuring and managing Docker Containers, Docker Images for Web Servers and applications and implemented Docker-maven-plugin and maven pom to build Docker images for all the microservices and later used Docker file to build the Docker images from the java files.
• Used Jenkins pipelines which helped us to drive all the microservices builds out to the Docker registry and then deployed them to the Kubernetes.
• Created Clusters using Kubernetes and worked on creating many pods, replica sets, services, deployments, labels and health checks using YAML files. Development of automation of Kubernetes clusters via playbooks in Ansible.
• Configured Jenkins, used it as Continuous Integration tool for installing & configuring Jenkins master & connecting it with multiple build slaves and performed java application builds using Ant & Maven.
• Responsible for installing & administrating SonarQube for code quality check and Nexus repository for generating the reports for different projects. Also, integrated SonarQube & Nexus with Jenkins.
• Created and automated the Jenkins pipeline using groovy script to check the status of the application.
• Used build tool Maven for the building of deployable Artifacts such as war, jar form source code and used Nexus for Maven builds, Configured & Administrated Nexus Repository Manager and Artifactory.
• Worked in implementation of GIT containing various remote repositories for a single application.
• Coordinated with developers to establish and apply appropriate branching, labelling or naming conventions using GIT source control system, performed multiple pull requests and code reviews.
• Wrote Python, Ruby, Bash scripts to monitor the installed enterprise level applications and manage the configurations of multiple servers using Ansible.
• Migrated PostgreSQL, MongoDB and MySQL databases from AWS to Azure cloud.
• Designed, built and managed the ELK (Elasticsearch, Logstash, Kibana) stack for centralized logging, search functionalities and monitoring applications in integration with AWS Lambda & Cloud Watch.
• Configured, Maintained and customized Ticketing tool & Monitoring tool such as JIRA and Confluence as per requirements to promote team co-ordination and ticketing system.
• Installed and configured Splunk to monitor applications deployed on application server, by analyzing the application and server log files. Worked on setup of various dashboards, reports & alerts in Splunk.
• Promoted Continuous Integration, Continuous Delivery culture collaborating with Development, DBA, QA, Support and Business Operations.

Sr. Cloud/ DevOps Engineer

Confidential, Irving, TX

Responsibilities:

• Launched Amazon EC2 Cloud Instances using Amazon Images (Linux/ Ubuntu) and Configured launched instances with respect to specific applications.
• Created a high availability and scalable AWS stacks using EC2 auto scaling functionality. Used AWS CloudWatch extensively to monitor and debug the cloud-based AWS EC2 services.
• Responsible for Day-to-day Build and deployments in Dev, Test, pre-production and production environments. Implemented AWS high-availability using AWS Elastic Load Balancing, which performed balance across instances in multiple availability zones.
• Used AWS Route53, to route the traffic between different availability zones. Deployed and supported AWS Elastic Cache & then configured Elastic Load Balancer (ELB) for routing traffic between zones.
• Used Elastic Block Store (EBS) for persistent block level storage and performed access management using Identity Access Management (IAM) service.
• Created custom metrics from AWS logs to create alarms and used CloudWatch and CloudTrail for audits and the maintenance of the cloud environment and Encrypted EBS (Elastic Block Store) volumes through KMS (key management service).
• Configured, monitored and automated Google Cloud Services and involved in deploying the content cloud platform using Google compute engine, storage buckets.
• Created custom log metrics, monitoring and created charts, alerts using Stack driver in GCP.
• Written Terraform templates, Chef Recipes and pushed them into Chef Server for configuring EC2 Instances, and deployed code in to the required environments using AWS Code Deploy.
• Worked on Jenkins file with multiple stages such as checkout a branch, building the application, testing, pushing the image into Google container registry (GCR), Deploying to QA, Acceptance testing and finally Deploying to Prod.
• Used Google Cloud Platform (GCP) to build, test and deploy applications on Google's very adaptable and solid framework for web, portable, and backend arrangements.
• Worked with automation/configuration management (CM) using Ansible and created playbooks in YAML to automate the development processes.
• Worked on designing, installing and implementing Ansible configuration management system and wrote playbooks for Ansible using YAML and deployed applications.
• Created microservices applications with integration to AWS services by using Amazon EKS, while providing access to the full suite of Kubernetes functionality.
• Worked on using Chef Attributes, Chef Templates, Chef Recipes, and Chef Files for managing the configurations across various nodes using Ruby scripting.
• Utilized Configuration Management Tool Chef & created Chef Cookbooks using recipes to automate system operations. Automated server with Chef& used Maven for deployment and build management.
• Utilized Configuration Management Tool Chef for Infrastructure as Code (IaC), configuring chef server which includes bootstrapping of chef-client nodes for provisioning and created custom cookbooks, recipes and testing cookbooks.
• Created additional Docker Slave Nodes for Jenkins, implemented Docker-maven-plugin in Maven pom.xml files to build Docker images for all microservices and later used Docker file to build the Docker images from the Java jar files and monitored using Prometheus.
• Managed Kubernetes with Kubectl, Kubeadm and setup Kube-proxies, Kubelets, and flannel overlay networking for logging within containerized ELK stack .
• Worked on implementation of new tools such as Kubernetes with Docker to assist with auto-scaling and continuous integration (CI) and Uploaded a Docker image to the registry so the service is deployable through Kubernetes. Used the Kubernetes dashboard to monitor & manage the services.
• Used Kubernetes to manage containerized applications using its nodes, Config Maps, selector, Services & deployed application containers as Pods.
• Working on Rolling updates using deployment in Kubernetes to implement Canary deployment strategy for maintaining less downtime.
• Built end-to-end CI/CD Pipelines in Jenkins to retrieve code, compile applications, perform tests & pushed build artifacts to Nexus & UDeploy to orchestrate the changes across servers and components.
• Migrated Subversion repositories to GIT and administrated GITLAB to manage the GIT repositories.
• Created branching & tagging strategy to maintain the source code in the GIT repository & coordinated with developers to establish & applied appropriate branching, labeling/naming conventions using GIT.
• Determined ways to optimize/improve JIRA, JIRA Agile setup and process workflows, as well as identified where functionality can/cannot meet user requests, created the dashboard for issues.
• Monitored System and Application Logs of the server using Splunk to detect the Production issues.
• Used monitoring tool Nagios to improve application performance, which helps to get the visibility & business context to meet business demands and implemented SPARK communication tool chatbot for the triggering alerts.

DevOps Engineer

Confidential, Atlanta, GA

Responsibilities:

• Developed Rich User Interface using HTML, JSP, JSTL, JavaScript, JQuery, CSS using Liferay portal.
• Performed Analysis, design and development of Application based on J2EE using Struts and Hibernate.
• Worked on new Portal theme for the website using Liferay portal and customized it for look and feel.
• Hands on experience in the usage of AJAX (Asynchronous JavaScript And XML) to create interactive web pages with the help of XML, HTML, CSS, and Java Script.
• Used ANT to create deliverables (jar, war) & deployed the application on WebLogic application server.
• Involved in developing JUNIT Test Cases to validate type of data in the XML Files. Performed SQL tuning using SQL Trace, explained plan for optimizing query performance.
• Developed test cases and performed unit and integration testing when needed. Collaborated with users, database administrators, and team members involved in the project implementation.
• Used AWS for creating new EC2 instances, checking the security group settings, adding the elastic IP’s for the servers and deleting the elastic IP’s for the servers needed, applying the inbound IP addresses as needed.
• Worked on Setting up the Jenkins servers with Maven and installed required available plugins.
• Worked on Continuous Integration (CI) system Puppet for official nightly build, test and managing change list. Installed multiple plugins for smooth Build and Release of pipelines.
• Installed and configured automated tool Puppet that included the installation and configuration of the Puppet master, agent nodes and an admin control workstation.
• Used GitHub as version control System and configured the Jenkins Sona type to generate code coverage and unit test reports.
• Created the Jenkins jobs for UI application and Web Services. Configured the Jenkins CI/CD Pipeline to run the build, Static Scan and Deploy the package on the servers, run Smoke tests and Dynamic scan, on UI applications.
• Configured SonarQube and integrated it with Jenkins to measure and analyze the source code quality.
• Executed and monitored builds, helped team with build issues, measures and reports results to management.
• Monitored and administered the automated build and continuous integration process to ensure correct build execution and facilitate resolution of build failures.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Wrote POM.xml files, performed releases with the Maven release Plugin, and managing Maven repositories.
• Maintained and administered GIT source code tool, Created Branches, Labels and performed Merges in GIT.
• Created branches, performed merges in version control Systems such as Git, GitHub and Bitbucket.
• Implemented a Continuous Delivery pipeline with Git, Jenkins, Dockers, and AWS AMI's, whenever a new GitHub branch gets started automatically.
• Created Docker containers with the Images and deployed the application in Dockers using those containers.
• Wrote Python Scripts for data manipulation and analysis to check the access token authentication by the users in automation process.
• Used JIRA for story tracking, logging as part of Scrum Process. Used SoapUI for web service testing.
• Involved in debugging build failures, coordinated with developers and testers to resolve related issues.
• Deployed Application in Tomcat Server on Unix environment.
• Provided 24/7 production on-call support as part of on-call rotation.

Jr. Java Developer

Confidential

Responsibilities:

• Involved in designing the design documents for the project using UML data model representation by Use case diagrams, Sequence diagrams, Class diagrams.
• Worked with XML, Servlets, JavaScript, JSP, JSF, EJB, AJAX, JDBC, Angular JS.
• Involved in developing J2EE applications using Spring MVC Framework.
• Developed UI using HTML, CSS and JSP and developed Scripts where users have all the services listed.
• Developed Servlets and java files for control of business processes in the middle-tier.
• Worked on Agile environment and participated in SCRUM meetings.
• Implemented code coverage tool to identify the dead code in the application.
• Experienced in using the Object Relational Mapping Tool Hibernate, strong in using XML mappings and Java Objects.
• Used SPRING framework that handles application logic and makes calls to business objects and services mainly SOAP Web services.
• Worked on Eclipse IDE for development, configuration setup and deploy the application on to WebLogic using Maven, involved in design and development of RESTful API.
• Built and deployed the deliverable files (jar, war, ear) on test, stage and production systems in JBoss Application Server.
• Used SVN as version control system for the source code and project documents.
• Used LOG4J & JUnit for debugging, testing and maintaining the system state. Performed monitoring of log files and resolved issues.
• Worked with team members from many groups to come up with timely, quality decisions and technical solutions.
• Worked on Integrating the modules, bug fixing and collaborated to identify needs of end users for improved user interface.
• Worked on production support and implemented unit testing, system testing and integration testing.

Linux Administrator

Confidential

Responsibilities:

• Installed, upgraded and configured RHEL, CentOS, Ubuntu and Solaris.
• Monitored creating and managing user accounts, security, Access Control lists, permissions, disk space and process monitoring in RHEL.
• Installed and configured Apache and supporting them on Linux production servers.
• Performed software package installation, upgrades and updates using yum and rpm commands. Applied system patches and updates.
• Hands on experience working with production servers at multiple data centers.
• Automated server building using Kickstarting RHEL and Jumpstarting Sun Solaris.
• Involved in troubleshooting of production servers and configuring standalone production server for testing.
• Involved in developing dynamic web-based user interfaces using HTML and JavaScript.
• Configured yum repository server for installing packages from a centralized server.
• Created local repository in yum.repos.d to run packages using yum, rpm and up to date.
• Installed and configured DCHP server in Linux to give IP leases to production servers.
• Management of Red Hat Linux user accounts, groups, directories and file permissions.
• Performed Kernel tuning with the sysctl and installed packages with yum and rpm.
• Performed Disk management with the help of LVM (Logical Volume Manager).
• Configuration and Administration of Apache Web Server and Secure Socket Layer (SSL).
• Backup management using CRONTAB, running the backup based on client requirements.
• Maintain file system and host security using chmod, chown, chgrp, immutable bit, iptables and tcp wrappers.
• Managing User Administration - Creating user and groups, modifying, and deleting user accounts/groups and managing permissions.
• Password-less setup and agent-forwarding done for SSH login using ssh-keygen tool.
• Established and maintained network users, user environment, directories, and security.
• Documented testing procedures and steps involved in data migration on production servers.