SUMMARY:

• Over 8 years of experience and detailed technical knowledge in Automation , Source code management, Software Configuration Management, Version Control, Build and Release management, Troubleshooting and Linux System Administration. Skilled in Cloud Computing and IT Infrastructure with a proven track record.
• Competent in AWS services in using EBS, SNS, EC2, ELB, S3, RDS, VPC, IAM, AMI, Route 53, Auto scaling, Cloud Front, Cloud Trail, Cloud Watch, Cloud Formation, Security Groups and structuring them in Public and Private Subnets in Virtual Private Cloud.
• Created AWS Route53 to direct traffic between various regions and planned exceptionally accessible, cost effective systems which are deficiency tolerant systems using multiple EC2 instances, Auto Scaling, Elastic Load Balancer, AMIs and Amazon Glacier for QA and UAT environments.
• Utilized Cloud Formation services in order to provision infrastructure resources on AWS.
• Assisted in migrating applications from customer on - premises datacenter to the cloud AWS infrastructure.
• Designed Microsoft Azure for various applications utilizing the Azure stack focusing on Identity Access management of Azure Subscriptions, Azure AD Pass through Authentication and Azure AD Connect.
• Experienced in Provisioning Azure of Cloud Services (PaaS & IaaS) , Storage , Web Apps , Active Directory , Application Insights and Logic Apps on Microsoft Azure classic and azure resource manager.
• Experience in migrating on premise to Windows Azure in DR on cloud using Azure Recovery Vault.
• Created Gateways for Virtual Network to Virtual Network and Site to Site specific VPN connectivity on Azure environments where cloud services ranged from compute, analytics, storage and networking.
• Experience in building services in Google Cloud Platform i.e. GCE instances, Kubernetes engine, Stack Driver, Load Balancer, Pub/Sub, App Engine and Data prep in GCP.
• Experienced in Pivotal Cloud Foundry (PCF) and Prepared build Gradle files with PCF CLI commands using manifest file to deploy applications into Pivotal Cloud foundry .
• Deployed OpenStack on top of a Kubernetes Control plane with each of the OpenStack components running as docker containers providing API-driven access to compute, storage and networking resources.
• Worked with Terraform for Infrastructure Creation, Execution plans and change Automation.
• Proficiency in writing scripts using Ruby Script through Knife command-line tool and configured Chef servers and workstations, cookbooks , recipes and testing of Cookbooks using Food critic.
• Experienced in writing Ansible playbooks for installing WebLogic, WebSphere, NGINX, Tomcat applications for the deployment of WAR , JAR, and EAR files across all the environments.
• Used Ansible to orchestrate the deployment, scaling and management of Docker Containers and written and implemented Ansible tower to automate configuration management.
• Extensively worked on Puppet configuration management tool which includes installing Puppet master, agents and manifests and pushed them to agents for CI &CD and configured Puppet server-clients.
• Utilized Docker to write Docker files in order to containerize applications and pushed them to Private Registries and automated application deployment in the cloud using Docker Swarm and Vagrant.
• Experienced in container technologies Docker, Vagrant, Kubernetes, and Virtualization Technologies Virtual Box, VMWare, Cloud Foundry and maintained VMWare ESXI host computers running on vSphere 3, 4, and 5.
• Used Kubernetes to manage containerized applications using its Nodes, Ingress, Config Maps, selector, labels, health checks, Services and deployed application containers as Pods.
• Experience in setting up of Kubernetes clusters on premise and managed microservices using Kubernetes as orchestrator for docker containers for the runtime environment of the CI/CD system to build, test deploy.
• Extensively Managed Kubernetes Clusters on AWS and utilized EKS and managed EKS nodes to administer the applications and utilized kube2iam to give pods access to AWS resources in Production environment.
• Created Jenkins Pipelines for pre-deployment process and on both QA and preproduction Environments.
• Experience in integrating Jenkins with Maven as Build tool, Git as Source Code Management, SonarQube for Test Gates, Nexus as Artifactory management repository and implementing CI/CD automation for creating Jenkins pipelines using Groovy DSL Scripts and troubleshooting the build issues during the build process.
• Extensively used Bamboo as CI Tool for formal builds with Nexus Artifactory repository.
• Experienced in using Version management T eam Foundation Server (TFS) on Windows environment.
• Experience in using Source Code Management tools which are Git, Subversion SVN and Bitbucket.
• Designed and implemented DevOps pipeline on TeamCity, build-pipeline-plugin for .NET applications.
• Automated builds on Maven, Gradle and Ant and initiated deployment through Jenkins.
• Utilized Splunk, New-Relic, Prometheus, Cloud watch, Prometheus, ELK ( Elasticsearch, Logstash, Kibana ). Google stack driver for infrastructure monitoring and application performance monitoring.
• Designed, developed and maintained software in Python for Linux and power Shell for Windows platforms and maintained bash scripts on Linux servers (Centos, RHEL, DEBIAN distribution).
• Deployed Java Microservices to Application servers in Agile Environment and automated the whole process.
• Worked on Tomcat 7 , Apache, Nginx and WebSphere Application/web servers for deployments.
• Proficiency in multiple databases and worked extensively with DynamoDB (DAX Accelerator), MongoDB, Redis, MySQL, PostgreSQL and MS SQL Server.
• Experience working with Jira , Kanban, Bugzilla, Atlassian Cloud, Confluence and Ftrack.
• Troubleshooted production issues and was involved on-call 24x7 rotation.
• Involved with updating docs using WIKI, Shared drives and Sharepoint.
• Experienced in all phases of the Software development lifecycle (SDLC) with Waterfall, Agile/Scrum, Lean and most recently Continuous Integration (CI) and Continuous Deployment (CD) practices across multiple domains.

TECHNICAL SKILLS:

Cloud Services: AWS, Google Cloud Platform, Microsoft Azure

Operating system: Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, Ubuntu, Windows

Amazon Web Services: EC2, S3, ELB, Auto Scaling, Elastic Beanstalk, Cloud Front, Cloud Formation, RDS, DMS, VPC, Route 53, Cloud watch, IAM, SNS.

Application Servers: Apache Tomcat 5.x/7.x

Automation Tools: Chef, Puppet, Ansible, Docker, Vagrant, Terraform, Pivotal Cloud Foundry (PCF), Kubernetes.

CI/CD & Build Tools: Jenkins, Bamboo, Maven, ANT, Gradle

Version control tools: Git, Subversion SVN, Bitbucket, TFS

Web servers: Tomcat, Apache 2.x, 3.x, JBOSS 4.x/5.x, Web Logic (8/9/10), Nginx.

Scripting: Perl, Python, Ruby, Bash shell, Power shell scripting, PHP, JSON

Virtualization Technologies: VMWare ESX/ESXi, Virtual box.

Cloud Environments: AWS, AZURE, Cloud Formation, OpenStack.

Database: Redis, Oracle MySQL, MongoDB, AWS RDS, DynamoDB

Monitoring Tools: Nagios, Splunk, CloudWatch, ELK (Elasticsearch, Logstash, Kibana)

Programming/Web Technologies: .Net, Java, C++, XML, HTML, CSS, JavaScript, NodeJS

PROFESSIONAL EXPERIENCE:

Confidential, Chicago, IL

Cloud Automation Engineer

Responsibilities:

• Created users, roles, groups using Identity Access Management (IAM) and attached required policies in AWS.
• Utilized AWS services which are EC2, EBS, SNS, ELB, Route 53, Amazon Glacier to build highly dependable, highly scalable, cost-effective applications without creating or configuring the underlying AWS infrastructure.
• Extensively used Elastic Load Balancing mechanism with Auto Scaling feature to scale the capacity of EC2 Instances across multiple availability zones in a region to distribute incoming high traffic for the application.
• Defined AWS Security groups which acted as virtual firewalls at instance level that controls traffic to the EC2 instance and Network Access Control List (NACL) which are acted as virtual firewalls at subnet level.
• Managed CDN on Amazon Cloud Front to improve site performance.
• Created and Managed buckets on S3 and stored DB and logs backup, upload images for CDN Server.
• Managed AMI Volumes upgraded and downgraded AWS resources (CPU, Memory, EBS).
• Configured Cloud watch metrics in order to collect monitoring and operational data in the form of logs.
• Experience in creating Lambda functions to automate snapshot back up on AWS and set up scheduled backup.
• Executed batch processing jobs using AWS Batch services .
• Implemented AWS Redshift to manage data warehouse and mainly run SQL queries.
• Used Azure Kubernetes Service to deploy a managed Kubernetes cluster in Azure and created an AKS cluster in the Azure portal, with the Azure CLI, also used template driven deployment options which are Resource Manager templates and Terraform.
• Utilized Microsoft Azure for various applications focusing on the Azure stack targeting on Identity Access management of Azure Subscriptions, Azure AD Pass through Authentication and Azure AD Connect.
• Involved in migrating on premise cloud storage to Windows Azure using Site Recovery and backups.
• Migrated SQL Server database to Windows Azure SQL Database and updated the Connection Strings.
• Written scripts using Azure PowerShell during automation and built-in process.
• Implemented micro-services using Spring Boot, Spring MVC and added the business logic with REST, Oauth2 and data storage solution.
• Utilized Spring Framework as middle tier application framework and utilizing Spring support for Hibernate to integrate with MySQL Database tables and implemented SQL Stored Procedures in Oracle SQL.
• Implemented a production ready, load balanced, highly available, fault tolerant, auto scaling Kubernetes Infrastructure and Microservice Container Orchestration.
• Provided consistent environment using Kubernetes for deployment scaling and load balancing to the application from development through production.
• Used Kubernetes to manage containerized applications using its Nodes, config Maps and Pods.
• Implemented Terraform modules for deployment of applications across multiple cloud providers.
• Designed Terraform templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates and migration from traditional to cloud environment.
• Worked on Ansible Playbooks with Ansible roles and created inventory in Ansible for automating the continuous deployment and configured the JBoss servers, deployed software, and orchestrated continuous deployments or zero downtime rolling update.
• Utilized Python Library Boto3 for AWS to pull instance metadata from CloudTrail in order to collect data from the API calls associated with it.
• Extensively worked on Jenkins CI/CD pipeline jobs for end-to-end automation to build and deliver artifacts and troubleshoot the build issue during the Jenkins build process.
• Involved with setting up Upstream and Downstream Jobs Jenkins for deployment of Java Spring Boot Microservices into AWS environments.
• Experience in setting up the End User Security in Jenkins and Hudson and automated the Compute Engine and Docker Image Builds with Jenkins and Kubernetes.
• Integrated Jenkins with Nexus artifactory to automate the stashing of the artifacts in the Nexus artifacts.
• Created and maintained access to webhooks, Jenkins server, plugins, Sshkeys with Matrix-based security option and used Jenkins master for continuous integration.
• Performed Branching, Tagging, Release Activities on Version Control Tool GIT (GitHub)
• Utilized Azure Boards to effectively categorize and tracked issues in a team environment.

Environment: AWS, Kubernetes, Jenkins, Shell, Ansible, Python 3.x, Terraform, Ansible, Nexus, Microsoft Azure, GIT, Helm charts, Shell Scripts.

Confidential, Chicago, IL

Devops Engineer

Responsibilities:

• Experienced in Provisioning Azure PaaS Services, Azure Web Apps, Web Roles, Worker Roles, Azure SQL and Azure Storage, Azure Application insight, Azure DNS, Azure Traffic manager, App services, and Azure Application gateway.
• Configured Azure Networks with Azure Network Watcher, Implemented Azure App services, Azure Site Recovery, Azure Backup and Azure Automation Logic Apps on Microsoft Azure classic and Azure resource manager.
• Involved with Automating, Configuring and Deploying the Instances on Azure environments and in Data centers also designing Azure Resource Manager (ARM) templates.
• Deployed Azure Automation Scripts for various applications utilizing the Azure stack which includes Compute, Blobs, ADF, Resource Groups, Azure SQL focusing on Automation.
• Administered AKS clusters and provided azure PaaS Solutions and provided end to end solutions to clients.
• Deployed Kubernetes container application using Azure CLI, Azure Kubernetes Service (AKS), Azure Storage, Access Control Service, Azure Virtual Network, Azure Active Directory, and Azure Database for MySQL.
• Involved with automation of Azure Virtual Networks, Network Security Groups and access control rules.
• Utilized Azure terraform to deploy the infrastructure to create development, test, Preproduction and production environments for software development process.
• Designed and managed monitored storage solutions in compliance with the enterprise Hosting environment.
• Created and manage Azure AD tenants, and configured application integration with Azure AD.
• Created AD group policy Templates Operating System security Patches Upgrade Procedure for secure computing and network environment.
• Provided high availability support for MS SQL Server on Windows Environments.
• Configured TFS 2015/2017 Environment with Default Project Collections and their Build Definitions.
• Involved in migrating infrastructure from on premise to AWS & from Microsoft Azure to AWS.
• Performed system monitoring and maintain Logs using Cloud Watch on Amazon Web Services.
• Configured the AWS DNS route the traffic between AWS and configured each tenant on the platform.
• Worked on DynamoDB NoSQL database using boto3, which included creation of items and tables.
• Utilized AWS DynamoDB with Aws Lambda store the values the items and backup the DynamoDB streams.
• Ensured, successful architecture and deployment of enterprise grade PaaS solutions using Private Cloud Foundry (PCF) as well as proper operation during initial Application migration and new development.
• Involved in writing the microservices in Spring boot application with Spring annotations.
• Developed container support for cloud environments and deployed the applications in Docker containers to offer good reliability for service uptime.
• Build Docker images and launch container in dev and test servers and configured the containers.
• Worked on Docker container snapshots and attached them to a running container in order to deploy applications to QA and UAT Environments.
• Chef installation for infrastructure automation, manifest, Ruby, shell scripts and automated infrastructure, Tomcat, Web logic .
• Made use of Bamboo for Chef CI, Rake for style and linting, Thor for versioning, for dependency management, and Test-Kitchen for testing and development.
• Created SPLUNK Search Processing Language (SPL) queries, Reports and Dashboards.
• Involved in writing MS build scripts or configuration on .NET applications.
• Experience in Cloud computing, Windows Azure environment, creating the New VMs, Azure subscriptions, storage accounts, managing SSL s for IIS websites, administering azure assets using PowerShell .
• Extensively worked with PowerShell to automate SQL tasks, environment management related tasks and procedures on Windows machines.
• Configured Bamboo nodes, creating required scripts (Perl & Python), and created and configured Virtual Machines (Windows and Linux).
• Installed RedHat (Red Hat 6/7) Linux using kick start and applying security polices for hardening the server based on company's policies.
• Scripting of administration tasks using CLI, Power Shell, Shell and Ruby.
• Built upstream and downstream jobs in Jenkins to build and deploy onto different environments.
• Utilized JIRA and Kanban to effectively categorize and tracked issues in a team environment.
• Collaborated with end users to gather requirements and documented proposed solutions in Confluence.

Environment: AWS services, GIT, Microsoft Azure, TFS, Splunk, Chef, Ruby, Ansible, PowerShell, Docker, JIRA, Python 2.7, GitLab, Bamboo , Tomcat, .NET.

Confidential, Ann Arbor, MI

Devops Engineer

Responsibilities:

• Configured and deployed instances on GCP environments and Data centers, also familiar with Compute, Kubernetes Engine, Stack driver Monitoring, Elastic Search and managing security groups.
• Created a VPN connection between GCP to On-Prem and automated using Terraform.
• Deployed and supported staging and production workloads on GCP.
• Troubleshooted Google Cloud SQL queries supporting MySQL and PostgreSQL.
• Involved in Migration from on-prem to Google cloud environment and for the GCP services which include Pub/Sub, App Engine and Data prep.
• Worked on Stack driver monitoring in GCP to check the logs of the pods in the Google Kubernetes Engine.
• Deployed 12 microservices to Google Cloud Platform (GCP) using TeamCity.
• Supported production applications running on cloud infrastructure by using Kubernetes.
• Created Namespaces, Cluster roles and deployed Prometheus on Kubernetes (GKE) (GCP) to monitor Nodes.
• Developed RESTful web service enhancements within Microservice Architecture and developed helm charts for Kubernetes deployments along with network storage and security in Kubernetes infrastructure.
• Wrote python code to parse Extensible Markup Language (XML) documents and loaded them into database.
• Created and managed a Docker deployment pipeline for custom application images in the cloud using Jenkins.
• Utilized Python and Batch to write scripts to automate server activities.
• Executed Ansible Playbooks with Python SSH as the wrapper to Manage Configurations of Google cloud instances and Test Playbooks on AWS instances using Python.
• Used Ansible playbooks to setup Continuous Delivery pipeline which consists of Jenkins to run packages and various supporting software component Maven and written and implemented Ansible tower to automate configuration management.
• Involved with converting ANT to MAVEN and ANT to GRADLE Project.
• Configuring and managing an ELK stack, set up the elastic search ELK Stack to collect search and analyze log files from across the servers and integration of Application with monitoring tool New Relic for complete insight and proactive monitoring.
• Used MAVEN as build tools on Java projects for the development of build artifacts on the source code.
• Implemented JSPs corresponding to the controller where in the data was propagated into from the model and view object from the Controller.
• Integrated JSP and Servlets to create web interface and integrated Kafka.
• Designed and Implemented MVC architecture using Spring Framework for internal Applications.
• Implemented transaction management and logging actions using Spring AOP for Authentication and Authorization.
• Deployed Java Web Applications on Tomcat Web server (Apache Tomcat 5.x) and hosted web apps .
• Maintained build related scripts developed in shell for Maven builds, modified build configuration files including POM.xml and published the artifacts to Nexus (2.x) using Maven-publish and released using Maven release plugin.
• Created and modified build configuration files including POM.xml.
• Configured WebSphere MQ on distributed (UNIX) platforms.
• Worked on Bash scripts with AWS CLI to gather resources metrics from AWS EC2 Instances, and configured Alerts and dashboards using AWS Cloud Watch Monitoring.
• Performed product testing for new versions of software (NGINX, Tomcat) before handing over to client.
• Converted the Batch scripts into a Python module for handling instance state in order to be utilized by the team that can programmatically turn RDS instances on and off.
• Made Changes to existing AWS infrastructure which were built using Cloud formation Templates.
• Implemented Jenkins Code Deploy plugin and used to automate the build process and deploy the application to Apache Tomcat server (7.x)
• Evaluated search infrastructure requirements and design/deploy solutions for problems such as high availability, search clusters, elastic load distribution etc.
• Played a key role in automating the deployments on AWS using GitHub, Terraform.
• Implemented and integrated ELK (Elasticsearch, Logstash, and Kibana) Stack to the existing application for real time log aggregation, analysis and querying.
• Generated various reports using Python and sent to users to improve their decision making.
• Created scripts for system administration using mainly Shell and Python and developed and maintained Shell scripts for build and release.
• Written Python scripts for data handling, and shunting data between different AWS services, local servers and archival storage.
• Worked on GitHub and performed various end-to-end automation for all builds.
• Collaborated with team to work with GCP tools and assisted in building infrastructure for various web applications, assist with documentation and security assessment.
• Utilized JIRA to effectively categorize and tracked issues in a team environment.
• Collaborated with end users to gather requirements and documented proposed solutions in Confluence.

Environment: Amazon Web Services, GCP, Python 2.7, YAML, ELK Stack, Jenkins, Maven, Apache Tomcat, Git, Jira, Kanban, Ubuntu16.04, Shell/Bash.

Confidential

Build and Release Engineer

Responsibilities:

• Managed and administrated Unix servers includes Linux operating systems by applying relative patches and packages at regular maintenance periods using Red Hat Satellite server, YUM, RPM tools.
• Configuration and administration of Red Hat Linux servers and support for Servers.
• Integrated Subversion (SVN) and Ant with Hudson to implement the continuous integration process.
• Highly participated in Linux/Ubuntu administration along with other functions managing different server's like Apache/Tomcat and databases which are Oracle, MySQL.
• Installed Hudson on a Linux machine and created a master and slave configuration to implement multiple parallel builds through a build farm.
• Managed and configured VM’s and Servers with Puppet in order to support Solaris IPMP on Solaris .
• Used Puppet to manage Web Applications, Config Files, Data Base, Commands, Users, Mount Points, Packages
• Installed and configured an automated tool Puppet that include installation and configuration of Puppet master, Agent nodes, and an admin control workstation.
• Constructed the Puppet modules for continuous deployment and worked on Bamboo for continuous integration, Wrote Puppet models for installing and managing java versions.
• Wrote Puppet manifests for deploying, configuring, install shield and managing collected for metric collection and monitoring.
• Created multiple custom Nagios checks and event handlers to monitor and maintain servers
• Monitored network using Nagios tool and Network devices using SNMP.
• Deployment and Configuration of application server JBOSS deploying Java and Web Application.
• Developed Perl and shell scripts for automation of the build and release process
• Planned, scheduled and Implemented OS patches on Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation.
• Updated data in inventory management package for Software and Hardware products.
• Created Ant, Perl & UNIX scripts for build activities in QA, Staging and Production environments.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.

Environment: Puppet, Nagios, Bash and Shell Scripting, JBOSS, Ant, Linux/Kickstart/Windows Environment.

Confidential

Java Developer

Responsibilities:

• Involved in analysis, design, development, and testing of the software development life cycle of the project.
• Worked closely with business analysts, project managers and project leaders to analyze business requirements.
• Implemented Spring MVC-4 framework for designing the web application.
• Created scalable, reliable and secure backend using Node JS to facilitate handling of multiple client requests.
• Used J2EE design patterns which are Factory, Singleton. Involved in various phases of Software Development Life Cycle (SDLC) as requirement gathering, modeling, analysis, architecture design and development.
• Created Restful APIs in Java environment using Node.JS framework .
• Used Struts framework and spring framework to do backend development. Responsible for design, implementation, and coding in XML, Java, Servlets, JSP, and JavaScript .
• Used Eclipse Luna as IDE and deployed into J-Boss Application Server and, used Maven build tool to achieve more functionality for the build process.
• Involved in automating integration and test environment and Executed Junit Test Cases.
• Developed web services using XML and HTML and accessed data from database using SQL queries.
• Updated the layout of the user interface and developed a partner product showcase and market page using HTML and CSS.
• Utilized Maven tool to build the JAR's, Class files, WAR files and EAR files from VOB's.
• Participated in developing view pages using HTML5, Java Script, AJAX and jQuery2.0.
• Integrated Git into Jenkins to automate the code checkout process.

Environment: HTML, CSS, JavaScript, Core-Java, Spring Boot, Struts, Spring NodeJS, MySQL, XML, Jquery, Gitlab, Jenkins

Confidential

Systems Engineer

Responsibilities:

• Administrated all UNIX/ LINUX servers includes the design and selection of relevant hardware to Support the installation/upgrades of Red Hat (4/5), CentOS 4/5, Fedora core operating systems.
• Maintained various Redhat/CentOS Linux environments.
• Performed application software installations, upgrades, and troubleshooting along with server management
• Managed job scheduling by disabling and enabling Cron jobs.
• Installed and configured SSH & SSL for secured access on Linux Systems.
• Configured Horizontal and Vertical clusters for high availability of system.
• Done performance tuning and Disk space management.
• Handled Operating System upgrade, application installation, and other testing in various environment.
• Created Clear Case configuration record for builds using derived objects generated during build audit process.
• Building the Red hat Linux server in VMware ESX client through Vsphere client.
• Responsible for Installation, configuration, Maintenance, Deployments, Update, Monitoring, performance tuning on Linux.
• Involved with monitoring and debug performance issues on different OS Linux (RHEL & Centos).
• Worked with Netstat, Prstat, iostat monitoring commands.
• Implemented the file sharing on the network by configuring NFS on the system to share essential resources.
• Involved in setting up Network File Services (NFS), Network Information Services (NIS) and protocols in RHEL.
• Performed kernel and database configuration optimization such that it limits I/O resource utilization on disks.
• Responsible for configuring and managing DNS, DHCP, NFS, FTP, SSH, LDAP and NIS in Linux.
• Designed Firewall rules for new servers to enable communication with application servers.

Environment: RHEL, CentOS, VMware, Fedora, Bash Scripting, Oracle DBMS, Vagrant, TCP/IP, DNS, DHCP, NFS, FTP, SSH, LDAP, NIS, LVM