Tejavardhan Y.

847-***-****.

adcnyr@r.postjobfree.com

Professional Summary:

Hands-on experience Designing, planning and implementation for existing On-Prem. applications to Azure Cloud (ARM), Configured and deployed Azure Automation Scripts utilizing Azure stack (Compute, Web and Mobile, Blobs, ADF, Resource.

Groups, Azure Data Lake, HDInsight Clusters, Azure Data Factory, Azure SQL, Cloud Services and (ARM), Services and Utilities focusing on Automation.

Hands-on experience Designing, planning and implementation for existing On-Prem applications to Azure Cloud (ARM), Configured and deployed Azure Automation Scripts utilizing Azure stack Compute, Web and Mobile, Blobs, ADF, Resource. Groups, Azure Data Lake, HDInsight Clusters, Azure Data Factory, Azure SQL, Cloud Services and (ARM), Services and Utilities focusing on Automation.

Experience in migrating on premise to Windows Azure in Active Directory on cloud using Azure Recovery Vault and Azure backups. Working knowledge on Azure Fabric, IoT & Docker containers in Azure. Created Domain Controller in one of the Virtual Machine and added users to Domain Controller.

Played an important role in migrating on-premises to Azure and built Azure Disaster Recovery Environment and Azure Backups from scratch using PowerShell Scripts.

Experience on Implementation of AWS and Azure cost optimization strategies using cloud health tools and reduce the cost with optimization techniques.

Designed AWS CloudFormation templates to create custom sized VPC, Subnets, NAT to ensure successful deployment of Web applications and database templates, Troubleshooted AWS EC2 status check including system checks and instance status check alerts.

Experience on creating Dockers images with Dockerfiles out of source code and pull the Docker images and run on Test, Stage, and Production environments.

Configured AWS Identity and Access Management (IAM) users and groups for improved login authentication.

Strong exposure to configuration management tools such as Ansible, Puppet, Terraform and Docker.

Strong exposure on Kubernetes and Open Shift to manage micro services for development of continuous integration and continuous delivery.

Experience with Docker and Kubernetes on multiple cloud providers, from helping developers build and containerize their application (CI/CD) to deploying either on public or private cloud.

Experience in installing and configuring of OpenShift platform in managing Docker containers and Kubernetes Clusters.

Experience on Vagrant, AWS and Kubernetes based container deployments to create self-environments for dev teams and containerization of env's delivery for releases

Implemented Docker to provision slaves dynamically as needed. Created and Maintained Docker files in Source Code Repository build images and ran containers for applications and testing purposes.

Experience in Designing, Installing and Implementing Ansible configuration management system and in writing playbooks for Ansible and deploying applications.

Hands on experience using SonarQube for code quality and Nexus as artifact repository.

Experience in implementing Data warehouse solutions in Confidential Redshift; Worked on various projects to migrate data from on premise databases to Confidential Redshift, RDS and S3.

Experience in writing web applications that tied into Jenkins code deployment automation to present a single set of pages that allowed for examining the application component configurations (versions, size, links to artifactory, etc.,)

Extensively worked on Jenkins, Hudson, Bamboo and Docker by installing, configuring and maintaining for the purpose of continuous integration (CI) and for End to End automation for all build and deployments.

Development Python scripts for software build conduct and management support.

Experienced in Handling installation, administration and configuration of ELK stack on AWS and performed Log Analysis.

Experience in fine tuning, configuring and optimizing ELK and Kafka clusters to process multiple terabytes of structured, semi-structured and unstructured data.

Expertise in configuring the monitoring and alerting tools according to the requirement like AWS CloudWatch, AWS CloudTrail, Dynatrace, Splunk Enterprise, SNMP monitoring for the VPN connections.

Handled daily urgent tasks regarding all AWS matters using JIRA and Agile configuration management.

Built and Deployed java source codes into application servers in an Agile continuous integration environment.

Experience in Cloud with Amazon Web services (AWS - EC2, S3, CloudWatch, RDS, EMR, SNS) and Google cloud (GCP).

Hands-on Experience in Architecting and Implementing GCP Cloud based Infrastructure focusing on design & process, capacity planning, sizing, implementation on secured Linux/Unix servers based on the three cloud service models.

Proficient in Writing Terraform templates, Chef Cookbooks, recipes and pushed them onto Chef Server for configuring EC2 Instances.

Linux/Unix system administrator on Redhat EL, 5.x, 6.x, CentOS 4.x,5.x and VMware environment.

Certifications: AWS solutions architect Associate.

DevOps & Cloud Skills:

Cloud Platforms

Amazon Web Services, Azure, Azure, GCP, OpenStack, PCF

CI/CD

Jenkins, GitHub/Bitbucket, Maven, SonarQube, ANT, JIRA

Application Servers

Apache Tomcat, JBOSS, Web Logic, Web Sphere,

Infrastructure Automation

Ansible, Terraform, Chef

Web Servers

Nginx, Apache HTTP

Databases

Oracle 10g/11g/12c, Mongo DB, MySQL

Scripting

Python, Shell, Powershell, Ruby, JavaScript

Infrastructure Automation

Ansible, Terraform, Chef

Operating Systems

Windows, Linux, CentOS, Ubuntu,

Scripting

Python, Shell, Powershell, Ruby, JavaScript

Virtualization

VMware, VCenter, KVM, Xen, Hyper-v, Virtual box, Solaris zones/containers, LDOM.

Logging and Alerting

ELK stack, Splunk, Cloud Watch, SNS

Professional Experience:

Wisconsin Department of Justice. WI. Mar 2019 – Present

Role: Sr. Cloud/DevOps Engineer.

Responsibilities:

Experience in Azure Platform Development, Deployment Concepts., hosted Cloud Services, platform service and close interface with Windows Azure Multi-Factor Authentications.

Experience in Private Cloud and Hybrid cloud configurations, patterns, and practices in Windows Azure and SQL Azure and in Azure web and database deployments.

Experience with Docker on multiple cloud providers, from helping developers build and containerize their application (CI/CD) to deploying either on public or private cloud.

Experience in working on several Docker components like Docker Engine, Hub, Machine, creating Docker images, Compose, Docker Registry and handling multiple images primarily for domain configurations.

Worked on Docked-Compose, Docker-Machine to create Docker containers for testing applications in the QA environment and automated the deployments, scaling and management of containerized applications across clusters of hosts.

Experience in writing Ansible playbooks and securing a server with Ansible and Provisioning, deployment with Ansible.

Experience in Ansible roles and playbooks that automate the deployment of configuration and software for OpenStack Control Plane. Configured multiple servers depending on application need using continuous integration tools like Jenkins.

Experience in using Nexus and Artifactory Repository Managers for Maven builds and used Maven dependency management to deploy snapshot and release artifacts to Nexus to share artifacts across projects.

Managed Nexus repositories to download the artifacts (jar, war & ear) during the build.

Setup Elastic Load Balancer for distributing traffic among multiple Web servers.

Worked on setting up Splunk to capture and analyze logs from various layers such as Load Balancers, Web servers and application servers.

Used Splunk to monitor the system logs as well as notify the incident management system upon exceeding thresholds.

Troubleshooting Linux network, security related issues, capturing packets using tools such as Iptables, firewall, TCP wrappers

Experience in Designing, Installing and Implementing Ansible configuration management system and in writing playbooks for Ansible deploying applications and maintained role-based access control by using Ansible Tower to manage web applications, Environments configuration files, Users and Packages.

Writing several Ansible Playbooks and Roles for provisioning the machines in different environments and converting the static playbooks into roles.

Experience in using Ansible Tower, which provides an easy-to-use dashboard, and role-based access control, so that it's easier to allow individual teams access to use Ansible for their deployments.

Used Dynatrace for server monitoring and configured for new servers and set alerts for the servers.

Implemented Confluent Kafka and Zookeeper from the scratch in the organization as message queueing system.

Designed and Implemented Kafka for tuning, configuring and optimizing to process multiple terabytes of structured, semi-structured and unstructured data.

Environments: Azure DevOps, Docker, Git, Confluent Kafka, Ansible, Splunk, Dynatrace, Manager API, Tomcat, Apache, Maven, Nexus Repository Manager, Azure CI/CD pipelines, VMWare,

Kohl’s Menomonee Falls, WI Nov 2017 – Mar 2019

Role: Sr. Cloud/DevOps Engineer.

Responsibilities:

Deploying, managing and operating scalable, highly available, and fault tolerant systems on Azure.

Managed all the Utility servers "Azure-Jumpboxes" in all the Azure Clouds.

Created performance measurements to monitor resources across Azure using Azure native monitoring tools utilizing ARM template.

Experience in assigning the Azure services on locations specific to integrate with web-apps and key-vaults.

Developed automation system using Powershell scripts and JSON templates to remediate the Azure services.

Utilized Kubernetes for the runtime environment of the CI/CD system to build, test deploy.

Used Kubernetes to manage containerized applications using its nodes, Config Maps, selector, Services and deployed application containers as Pods.

Managed Docker orchestration and Docker containerization using Kubernetes.

Used Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.

Built an on demand dedicated server hosting platforms using Docker, Golang and Redis.

Gained good working experience on DevOps Environment by working on various technologies/applications like Ansible, Chef, GIT, SVN, Jenkins, Docker, ANT and Maven.

Developed Docker images using a Docker file, worked on Docker container snapshots and managing Docker volumes also deployed Docker Swarm using 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.

Used Vault feature to encrypt any structured data file by using Ansible and also encrypted arbitrary files, binary files using Ansible.

Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of Open Stack Nodes and Test Playbooks on AWS instances using Python

Used Ansible Tower, which provides an easy-to-use dashboard and role, based access control, so that it's easier to allow individual teams access to use Ansible for their deployments.

Used Ansible Server and Workstation for configuring nodes.

Worked on setting up various dashboards, alerts and reports in Nagios, Splunk, ELK and other network monitoring tools like Datadog. Configured file beats on Jenkins server to analyze the build logs on containerized ELK stack cluster.

Efficient in working with system performance configuration and monitoring tools like Nagios, BMC, Tivoli, Cacti and Splunk.

Configuring and enabling the sonarqube through Jenkins pipeline jobs.

Worked on various scripts like Shell, Korn, Bash, Ruby, Python.

Python, Managing Configurations of AWS Nodes and Test Playbooks on AWS instances using Python and written Ansible Scripts to assist Dev servers.

Analyzing and resolve conflicts related to merging of source code for GIT.

Managed SVN repositories for branching, merging, and tagging and Migrated SVN repos to GIT.

Automated infrastructure provisioning on AWS using Terraform and Ansible.

Implemented Work load Management (WML) in Redshift to prioritize basic dashboard queries over more complex longer-running adhoc queries. This allowed for a more reliable and faster reporting interface, giving sub-second query response for basic queries.

Environments: Azure, GCP, Computer Engine API, Deployment Manager API, GCP Kubernetes Engine, Azure SQL, Azure Storage, PCF, Kubernetes, Docker, Terraform, Jenkins, GIT, JIRA, Ansible, Maven, Nginx, Nexus, SonarQube, ELK, KAFKA, Dynatrace, Apache Tomcat, Python, Power Windows/Linux.

Wolters kluwer, Babylon, NY Nov 2016 – Nov 2017

Role: AWS/DevOps Administrator.

Responsibilities:

Worked extensively with AWS services like EC2, S3, VPC, ELB, AutoScaling Groups, Route 53, IAM, CloudTrail, CloudWatch, CloudFormation, CloudFront, SNS, and RDS.

Worked on AWS Elastic Beanstalk for fast deploying of various applications developed with Java, PHP, Node.js, Python, Ruby and Docker on familiar servers such as Apache and IIS.

Created AWS S3 buckets, performed folder management in each bucket, managed cloud trail logs and objects within each bucket.

Set up and built AWS infrastructure with various services available by writing cloud formation templates in JSON.

Designed and developed AWS Cloud Formation templates to create custom VPC, Subnets to ensure deployment of web applications.

Created AWS Multi-Factor Authentication (MFA) for instance RDP/SSH logon, worked with teams to lockdown security groups.

Migrated on premise database structure to Confidential Redshift data warehouse

Helped, developed and fully tested interleaved sort key algorithm that helps the customers to react quickly in Redshift clusters.

Involved in development of test environment on Docker containers and configuring the Docker containers using Kubernetes.

Worked on Docker and Kubernetes on cloud providers, from helping developers build and containerize their application (CI/CD) to deploying either on public or private cloud

Created and configured the Docker containers and Docker consoles for managing the application life cycle and for branching purpose.

Experience with container-based deployments using Docker, working with Docker images, Docker hub and Docker registries.

Experience in executing knife commands and testing the recipes on different platforms using test kitchen and Expertise on all aspects of Chef concepts like Chef server, Workstations, Nodes, Chef Clients and various components like Super Market, Test Kitchen, Food Critic.

Experience in maintaining the Chef server with cookbooks, roles, environments, versions by using the environment files.

Creating a fully Automated Build and Deployment Platform and coordinating code builds promotions and orchestrated deployments using Jenkins.

Write Scripts for automating and testing the code using Perl, Korn, Ruby, Bash and Python.

Responsible for training and providing documents for QA and Dev teams on Jira bug tracking and project management.

Worked on DevOps methodologies and cloud infrastructure automation tools like AWS by using Terraform.

Knowledge in Setting up the build and deployment automation for Terraform scripts using Jenkins.

Used to regularly monitor application server instances using Nagios, Dynatrace and Blue stripe for monitoring the network bandwidth and the hard drives status.

Worked on configuring Alerting mechanisms with Nagios, error logging, performance monitoring.

Built many custom reports to generate reports and monitor the status of several machines using Nagios and IBM Endpoint Management tools.

Environments: Amazon Web Services (AWS), OpenStack, Docker, Kubernetes, CI/CD, Jenkins, Git, Chef, Food Critic, Terraform, Maven, Tomcat, Ansible, ELK, JBOSS, Shell, Nexus, XL Deploy, WebLogic, Nagios, Splunk, Python, Shell, Linux.

Cummins Columbus, IN Sept 2015 – Nov 2016

Role: AWS/DevOps Engineer.

Responsibilities:

Used AWS Certificate Manager and DNS for creating certificates and applying them to ALB and CloudFront for SLS/TLS/HTTPS.

Experience on PowerShell/Bash scripts to gather resources metrics from AWS EC2 Instances, and configured Alerts and Dashboards using AWS CloudWatch Monitoring.

Experience in executing knife commands and testing the recipes on different platforms using test kitchen and Expertise on all aspects of Chef concepts like Chef server, Workstations, Nodes, Chef clients and various components like Super Market, Test Kitchen, Food Critic.

Responsible developing Chef cookbook from the scratch and modifying the existing cookbook according to organization application requirements.

Working as a key role in Chef and maintain the Chef server and updating the server with latest configurations.

Created Ansible playbooks for different environments for release and converted chef recipe scripts into the Ansible Playbooks.

Implementing and maintaining a Continuous Delivery framework using RTC, Build tools, Jenkins, and custom scripts.

Monitoring and troubleshooting Jenkins automation Jobs.

Worked on Jenkins data collection in splunk and created Dashboards for failed deployments, Error count, state and resons.

Knowledge in manipulating and updating files in python.

Proficient in Python, Ruby, Perl, Bash Scripts for on Middleware tools for deployment of Java applications.

Wrote ANT and MAVEN Scripts to automate the build process. Configured Buildforge for doing the build in all the non-production and production environments.

Worked on setting up LA Host automation using Git repository and gerrit code review system using python and CI tools like Jenkins.

Used Elasticsearch for powering not only Search but using ELK stack for logging and monitoring our systems end to end Using Beats.

Responsible to designing and deploying new ELK clusters (Elasticsearch, Logstash, Kibana, beats, Kafka, zookeeper etc., Proactively monitoring performance.

Environments: Amazon Web Services (AWS), Jenkins, Chef, Git, Maven, Tomcat, Splunk, Nagios, JBoss, WebLogic, Ruby, Bash, Linux, GIT, LDAP, NFS, NAS, MS Share point, XML, Fedora, Windows, Splunk, Perl Scripts, Shell Scripts, Ansible, Docker, Kubernetes, OpenShift.

Tallivant Cincinnati. OH Dec. 2014 – March. 2015

Role: UNIX/LINUX Administrator

Responsibilities:

Continuous Delivery is being enabled through Deployment into several environments of Test, QA, Stress and Production using Nexus and Jenkins.

Implemented a Continuous Delivery pipeline with Docker, Jenkins, Git Hub and AWS AMI. Maintaining the artifact repository called Nexus and moving the builds to it using Jenkins interface.

Managed Nexus repositories to download the artifacts (jar, war & ear) during the build.

Setup Elastic Load Balancer for distributing traffic among multiple Web servers.

Installed and Configured Jenkins for CI/Automation tool with plugins and also created jobs.

Automated existing manual deployments using Jenkins, Hudson and Build Forge

Installed and configured Jenkins for Automating Deployments and providing a complete automation solution

Automated the entire build and deployment process using Jenkins for Continuous Integration, and also documented the process.

Extensively worked on Jenkins for continuous integration and for End to End automation for all build and deployments.

Extensively used build utilities like ANT for building of jar, war, bar and ear file.

Source code configuration tools Subversion and GIT used for different projects.

Configured Jenkins jobs to trigger automatic build using git hook based on developer code commit.

Configuration of DNS client. Monitoring the file system size and increasing the space.

Manage Linux Quota system. Monitoring log files & processes. Configure Utilities, Task Automation (at, cron) & Network. Configure the printer using CUPS configuration files.

Environments: Bamboo, Subversion, Ant, Apache Tomcat, JBOSS, Eclipse, Oracle, DB2 MS SQL Server, Java, J2EE, Ruby, Shell, Windows, ELK, LAMP Stack Linux, Perl, Chef, Ansible, Jenkins, Splunk, PHP, Ruby, JIRA, GIT, Docker, Vagrant, SVN, Maven, Bash, PowerShell, NT Command Shell.

E-Mug Technologies, Hyderabad, INDIA Dec 2013 – Dec 2014

Role: Linux Administrator

Responsibilities:

Coding/scripting skills like Linux BASH Shell, Python to automate various jobs in the build pipeline.

System Administration of Redhat Linux & SOLARIS, Red Hat Linux boxes 5.5, 6.0,6.1,6.2, HP Proliant DL 320/360/380/560 & NT Servers 3.5, 4.0 and Win NT 2000.

Implemented TCP/IP network based on DHCP, DNS on Linux 5.2 & Sun Solaris 8.

Set up of network involving Sun Workstation, Servers and Communication Product.

Setup a Jumpstart server and client workstation installation.

Implemented Server Virtualization using VMware for Redhat linux.

System Administration of Redhat Linux & SOLARIS, Red Hat Linux boxes 5.5, 6.0,6.1,6.2, HP Proliant DL 320/360/380/560 & NT Servers 3.5, 4.0 and Win NT 2000.

Implemented file sharing on the network by configuring NFS on the system to share essential resources.

Set up mount points on Solaris servers for Oracle database and installed MySQL server.

Performed data management using native Solaris utilities for archiving and compression.

Environments: Kickstart, Nagios, Oracle, MySQL, Crontabs, Linux, LVM, LAMP, Tomcat, Jira, Confluence, VM Ware, Oracle, MySQL, RedHat, Sun-Solaris, RPM, SMTP, FTP, SSH, Fedora.

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