Rishita Thumu

• Designing and implementing Azure Solutions across a range of cloud models like SaaS, PaaS, IaaS, and integrated on-premises, on-demand workloads with the Azure public cloud.
• Worked on Microservices for Continuous Delivery environment using Azure, Docker. Involved in setting up a Microservice architecture for application development and implemented high availability with Azure Classic and Azure Resource Manager deployment models.
• Extensively worked on Building and Installing servers, creating multiple resources like in Azure through Azure Resource Manager Templates (ARM) or Azure Portal and provisioned them using Terraform templates. Also worked on Virtual networks, Azure Custom security, endpoint security and firewall.
• Converted DevOps methodologies in to DevSecOps model by introducing Security/Vulnerability scans at different phases of DevOps like clear text password scan, Sonar scans for code quality check, Aqua scans for checking containers, Tenable scans for VM’s during the build and packaging phase of application and on the other hand responsible for implementing Pre Provisioning scans and Post Provisioning scans for IaC by adopting tools like terraform enterprise (sentinel) for Azure cloud resource validations.
• Introduced DevSecOps specific policies and procedures that enabled organizations to keep up with the pace of application development in a DevOps environment.
• Managed Azure Active Directory (AAD) to create users, groups, service principal names and created multiple custom roles. Used AAD for Single Sign on, Authentication, Authorizations and Azure Role-Based Access Control (RBAC).
• Worked on Azure AD connect to sync on-premises AD user data, groups, and organizations to Azure AD and troubleshoot Azure services sync with on-premises AD and resync using the Azure tools.
• Worked on Azure Monitoring tools like Azure Log Analytics, Azure Network watcher, Azure Service Health to diagnose issues and minimize service degradation.
• Extensively worked on Kubernetes for scheduling, deploying, and managing pods, replication controllers, deployments, labels, health checks and ingress by writing YAML Files and Helm Charts to deploy and maintain the Deployed Services.
• Built an application environment to operate at high availability in different Azure regions by using CDN, Azure Traffic Manager, App Services-Web Apps, Active Directory, Storage Queues, Cognitive Services, Azure Search, Storage Blobs, Redis cache, and SQL Database.
• Implemented various resources in Azure using Azure portal, PowerShell on Azure Resources Manager deployment models. Experienced in deploying infrastructure as code applications using ARM Templates (JSON).
• Conducted Proof of concept programs for evaluating and implementing new technologies and tools such as Azure Kubernetes Service and Terraform.
• Configured Azure Kubernetes Service RBAC strategy to restrict Kubernetes API to application teams in Production Environments.
• Worked on Terraform templates also for provisioning virtual networks, subnets, VM Scale sets, Load balancers, and NAT rules and used terraform graph to visualize execution plan using the graph command. Configured BGP routes to enable ExpressRoute connections between on-premises data centers and Azure cloud.
• Designed and implemented framework using Python and generating Terraform templates to create Network security groups in Azure. Worked on deploying a web application in Azure cloud where in automated the configurations using Terraform.
• Implemented a production ready, load balanced, highly available, fault tolerant, auto scaling Kubernetes Infrastructure and Microservice Container Orchestration. Created private cloud using Kubernetes that supports DEV, TEST, and PROD environments. Expertise on several cloud services and docker management tools.
• Deployed Kubernetes Clusters on cloud/on-premises environments with master/minion architecture and wrote many YAML files to create many services like pods, deployments, auto scaling, load balancers, labels, health checks etc.
• Worked on NEXUS to upload/download the build artifacts & Responsible for Administering NEXUS Server which includes install, upgrade, maintenance of repositories, performance tuning, troubleshooting issues and maintenance.
• Built and Installed Linux and windows servers to different environments such as Dev, Stage and Production through Azure Resource Manager (ARM) Templates and Azure DevOps pipelines.
• Worked as an active team member for both product development and the operations teams to provide the best DevOps Practices and supported their applications with feasible approaches.
• Performed configuration of Azure App services, Application insights, Azure DNS, Azure Network Watcher and implementing Azure site recovery, Azure stack, Backup and Automation Cosmos DB, API-Management using Azure DevOps pipelines.
• Created and maintained Continuous Integration (CI) & Continuous Deployment (CD) In Azure DevOps over multiple environments to facilitate an agile development process which is automated and repeatable, enabling teams MSFT Teams for CICD pipelines to get Notification (if the pipeline is succeeded or failed).
• Written runbooks in PowerShell and deployed using Azure DevOps to Automation Accounts. Release pipelines used AAD Application Registration (service principal) in the Azure DevOps service connections for authentication to Azure. Runbook uses connections for Authentication.
• Deployed Azure IaaS virtual machines (VMs) and Cloud services (PaaS role instances) into secure VNets and subnets. Configured Azure Traffic Manager to build routing for user traffic Infrastructure Migrations: Drive Operational efforts to migrate all legacy services to a fully Virtualized Infrastructure.
• Configured Kubernetes Services type load balancer and Cluster IP to expose UI based application and migrated cluster CNI from Flannel to Kube-router to support Kubernetes network policies.
• Extensively worked on Kubernetes for scheduling, deploying, and managing pods, replication controllers, deployments, labels, health checks and ingress by writing YAML Files and Helm Charts to deploy and maintain the Deployed Services.
• Created the Kubernetes Cluster with Automation Script enabling the Log-Analytics Workspace and APP Insights using IAC Terraform within the CNI network to secure and maintain the Cluster.
• Created the Kubernetes Clusters under Pod networks to group the Docker containers. Used Kubernetes and Docker to maintain the runtime environment for the CI/CD system to build, test and deploy the applications across different environments.
• Created terraform reusable modules to automate resources and worked with Terraform Templates to automate the Azure IaaS virtual machines using terraform modules and deployed virtual machine scale sets in various environments.
• Written Templates for Azure Infrastructure as code using Terraform to build staging and production environments. Integrated Azure Log Analytics with Azure VMs for monitoring the log files, store them and track metrics and used Terraform as a tool, Managed different infrastructure resources Cloud, VMware, and Docker containers.
• Created branching & tagging strategy to maintain the source code in the GIT repository and coordinated with developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control.
• Automated Continuous Integration & Continuous Deployments of Applications into the Web Apps through the PowerShell scripts and their associated Build & Release definitions with the Triggers.
• Created a resource group, storage account, and Azure Files using PowerShell. Created Power Shell scripts to automate the Azure Cloud system creation including end-to-end infrastructure, VMs, storage, firewall rules.
• Created and maintained Dynatrace dashboards to monitor the applications accros different regions in stage, peat, dev and production environments.
• Setting up Dynatrace agents for application servers and analyzing issues using the Dynatrace.
• Implemented a comprehensive alerting strategy in Dynatrace to proactively identify and address performance and availability issues across critical applications and infrastructure.
• Created custom alerting rules in Dynatrace to align with specific application and business requirements, ensuring the timely detection of anomalies and potential incidents.
• Maintained up-to-date documentation of alerting configurations, ensuring that the alerting strategy aligns with evolving business objectives and technical requirements.
• Collaborated with cross-functional teams, including DevOps and SRE teams, to refine and enhance alerting policies based on feedback and real-world incident scenarios.

• Worked as AWS Cloud Engineer for a team that involved three different development teams and multiple simultaneous software releases.
• Implemented Git for Branching, Merging, Tagging, and maintaining the version across the environments on Linux platforms and, designed and implemented Git Metadata including elements, labels, attributes, triggers, hyperlinks.
• Involved in designing and deploying a multitude of applications utilizing almost all the AWSstack including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, LAMBDA, REDSHIFT, focusing on high-availability, fault tolerance and auto-scalingin AWS cloud formation.
• Experience in configuring AWS cloud infrastructure as code using terraform and continuous deployment through Jenkins.
• Utilized AWS Cloud Formation and AWS OPS Works to deploy the infrastructure using Chef that is necessary to create development, test and production environments for a software development project.
• Building/Maintaining Docker container clusters managed by Kubernetes Linux, Git, Docker, on Azure and utilized Kubernetes and Docker for the runtime environment of the CI/CD system to Build, Test and Deploy.
• Launched EC2instances with various AMI's and Configured Application Servers on those instances by deploying a code in AWS Elastic Beanstalk.
• Virtualized the servers on AWS using the Docker, created the Docker files and version control to achieve Continuous Delivery goal on high scalable environment, used Docker coupled with load-balancing Nginx.
• Created Jenkins jobs for continuously building the projects and integrated Jenkins with SonarQubefor code inspection and stored the artifacts in Nexus. Wrote Groovy scriptin Jenkins jobs to do pre-and post-build operations.
• Proficient in end-end CI/CD Pipelines in Jenkins to retrieve code, compile applications, perform tests and push build artifacts to Nexus.
• Designing and implementing CI (Continuous Integration) system configuring Jenkins servers, Jenkins nodes, creating required scripts (Python), and creating/configuring VMs (Windows/Linux).
• Deployed and monitored scalable infrastructure on AWS and managing the infrastructure environment with Puppet. Writing Docker files with best practices along with Docker linting, Docker container management along with volumes, container-based DB and services, Docker Artifactory (JFROG) configuration and setup.
• Written Chef Cookbooks and recipes to Provision several pre-prod environments of Cassandra DB installations, Web Logic domain creations and several proprietary middleware installations.
• Setup monitoring in Splunk through Chef (roles, nodes, data bags) in JSON and wrote custom monitoring plugins as needed.
• With the help of SonarQube, got the list of issues from the components (project, module, file etc.) responsible for upgradation of SonarQube using upgrade center.
• Created Python scripts to automate AWS services which include web servers, ELB, Cloud front distribution, database, EC2 and database security groups, S3 bucket and application configuration, this script creates stacks, single servers, or joins web servers to stacks.

Environment: AWS (EC2, EBS, S3, VPC , RDS, SES, ELB, EMR, ECS , Cloud Front, Cloud Formation, Elastic Cache, Cloud Watch),SVN, GIT, Jenkins, Maven, Nexus, , Puppet, Java/J2EE, Python Scripts, Docker, XML, Unix(Red Hat Enterprise Linux, CentOS)

• Experience in RHEL & Ubuntu implementation Administration, Installation & Maintenance.
• Upgrade and Maintain Firmware on IBM p5/p6 Servers, HMC, Sun Sparc Servers.
• Web Application Server Tomcat, Apache, IBM Web Sphere, Web logic 8.0, 8.1.
• Experience in writing basic Shell scripts using ksh, bash, perl, for process automation of databases, applications, backup and scheduling.
• Strong technical background in Storage, Disk Management, Logical Volume Management (LVM) and logical partitioning.
• Responsible for monitoring and administering Red hat Linux servers and Ubuntu.
• Worked with DBAs on installation of Oracle database, EBS consisting of Oracle Financials
• Worked on installing, Configuring and Maintaining the DHCP, DNS, NFS, NIS, send mail server.
• Configuration and Administration of Apache Web Server and SSL.
• Configured open-ssl and generated self-signed keys for internal use.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, kickstart and print servers to insure optimal networking, application, and printing functionality.
• Installed, maintained and finetuned the Apache-Tomcat server and WebSphere Application Server in Linux Platform
• Experience in internet services installation, configuration and maintenance WWW on apache, SMTP on send mail, POP3, LDAP... on Linux and AIX platforms, including security of provided services, ability to troubleshoot common and very uncommon problems, high availability services.
• Installed RPM packages and LPP on Linux servers and IBM P-series AIX servers.
• Wrote shell and python scripts to automate admin jobs such as monitoring the servers for resource consumption, processes running, file handling such as moving, copying and renaming files, reading data from the files etc.
• Wrote crontab for scheduling of automatic repetitive jobs and executing shell scripts.
• Implemented day-to-day tasks in RHEL that include upgrading RPM's, kernel, HBA driver, configuring LVM filesystems, printing issues, connection/network issues etc.

Environment: RHEL 4.x, 5.x, AIX 5.3/6.1, IBM P570, RPM, LPP, IBM P, WebSphere Application Server 3.5/4.0.x, JBOSS, POP3, SMTP NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, HMC, Sun Sparc Servers, TOMCAT, Oracle 9i/10g, LVM filesystem, Shell Scripting.