Madhusudhan Vallepu

IT professional with 9 + yrs. of experience with relevant 7+ yrs. as an Azure Cloud and DevOps Administrator. Good experience on planning, designing, implementing, and maintaining infrastructure solutions. Good experience working with IaaS services like VMs (Virtual Machines), Load Balancer, Storage. Good experience in working with Azure DevOps. Good experience working with Log Analytics and App Insights. Implemented PaaS services like Azure SQL Server/Db, Azure Apps Service, Application Gateway, WAF, Traffic Manager, Azure Front Door, Blob Storage, and Key Vault. Experienced designing and implementing HA (High-Availability) and DR (Disaster Recovery) solutions. Good experience and understanding of Networks and networking concepts – CIDR notations, VNets, Subnets, NSGs (Network Security Groups), ASGs (Application Security Groups), Route Tables, Subnet Gateway, Service-Endpoints, VPN Gateway (P2S (point-to-site) and S2S (site-to-site)). Good knowledge in DevOps CI (Continuous Integration) and CD (Continuous Deployment) methodologies. Automated WebApp deployment using Azure DevOps Pipelines. Configured and scheduled backups for Azure SQL Db’s, attached Storage volumes for VMs. Experienced setting up Peering between VNets in same region and across regions. Experienced setting up Azure to Azure Application connectivity by using Private EndPoint and DNS Zones. Requesting the EFORC for the On-Prem Service Connectivity on the Bastion Portal. Good understanding on On-Premises to Cloud connectivity options – VPN Gateways and Express Route. Have configured Azure DNS, CDN services. Experience working with Security Center. Mapped Custom Domain and binded site with wildcard SSL/TLS Certificate Experienced with deploying Web Apps using Terraform/ARM Templates. Good experience troubleshooting Errors/Exceptions – 4xx/5xx, HTTP Exceptions Restricted/Secured Web Apps by enabling AD Authentications/Networking options like Access Restriction/IP whitelist, VNet Integrations etc. Experienced with Deployment Slots in WebApp. Experienced with Auto-Scale options for App Services and VMs. Configured alerts using Azure Monitor for resources at different levels and thresholds. Ensured the responsible for overall technical quality, migration, deployment standards and architecture of the application. Good experience terraforms for Build and Provisioning the infrastructure on cloud.

• AZ-900: Microsoft Azure Fundamentals
• AZ-104: Microsoft Azure Administrator
• AZ-400: Designing and Implementing Microsoft DevOps Solutions
• MS-100: Microsoft 365 Identity and Services, 2029-01-01

• T-Mobile, Eligibility Engine and Digital Promotions, Site Reliability Engineer, Azure, AWS, PFC, K8S, Docker, GitLab for DevOps, Hybrid PaaS Deployment, AppDynamics, Splunk, Prometheus Grafana, GitLab using for DevOps CI (Continuous Integration) and CD (Continuous Deployment) methodologies for QAT and Production deployments., Create the Change Requests and implement the CR's without Outages and also worked on Incident management system to Resolve the issue in PROD and QAT Environment., Extensively worked Release Management Cycle to implement the PROD and QAT Releases for Project Teams., Working on Production and QAT deployments for code upgrades, Bug fixes Releases and Feature Releases., Working on P1, P2 and P3 incidents for Production issues and as well as QAT Environment issues., Planning and maintaining the SIS documents for Release Management deployments with the help of DEV teams., Extensively Worked on Password rotations, Unix and Data Base server patching on Quarterly., Worked on Vault configurations and update RMQ and Database connection details and resolve the deployment issue related to vault credentials and connection strings., Working on Recon script jobs and log clearing Scripts in production., According to the Outage Notification, supporting microservice shutdown and startup activities in the PCF portal., Scaling the instances, Bounces, Restage, Configuring the Memory size and monitoring the logs for the Micro Services based on the requirement from Dev Team as for BAU and for Configuration Changes., Working with Dev teams for configuration changes and Code changes in QAT and Production., Working on JIRA tool for Daily Tasks such as User stores, Tasks, Bugs as assigned in my Kanban Board., Creating and Updating the Splunk alerts for Production Servers., Monitoring the Splunk Dashboards and Splunk alerts continuously for Micro Servers without falling the APPs., Created a SAM request for QAT and Production level changes in SAMSON Infra/Database., Working Experience on RMQ Externalization vault configurations and deployment., Supporting for the Production Bug Fix, Database Failover and Server’s Patching Deployments activity., Based on the requirement, I have been handing the manual sync with POST or GET methods for REST API calls by using postman tool on production and QAT Environment., Working Experience in Deep.io tool for prompting the Consumer rules and Events for Micro servers to communicate date through Events., Working Experience in RMQ tool for configuration of Queues to flow the messages from Consumer to producer., Newly migrated the Digital / Promotions application from the PFC to Kubernetes and also we migrated the API’s from APIGEE to TAG., Worked on the microservices configuration’s changes during the migrations process and resolved the day to day issues while APIGEE to TAG and PCF to Kubernetes migration activity.
• AT&T, EBMIS, FDB-STLMT, ELH, EDoCS, ESON, MWOG, Platform Engineer, Azure, Azure DevOps, Hybrid PaaS Deployment, Developed three environments for migration projects like PoC, Test, Production., Creating Azure VM. Launching of multiple VMs using Terraform., Stopping, starting, and terminating the instances on scheduled basis using Azure Run Books., Creating the Azure resources like storage account, App Service, PE, PLS, DNS Zones, VM, VMSS, log analytics using Terraform., Requesting the EFORC for the On-Prem Service Connectivity on the bastion portal., Software’s Installation and configuration has automated through ansible with shells script via CI/CD Pipeline., Automated the configuration setup for SFTP & SMTP on Linux/Windows servers., Configuring IIS Server and deploying applications war files on the servers., Installing the SSL Certification on the servers and the checking the network configurations for securely accessing the website., Established Database Connectivity with Web Apps and installed the SSL certificates for secure connection., Supporting to the Application team during PoC, Cut-Over, Post Cut-Over., Creating Custom images using Packer & Ansible., Update Golden Image for every 30 Days via Pipeline.
• SeaSpine, Cloud Administrator, Azure DevOps, Hybrid PaaS Deployment, Implemented key Azure services like WebApps, SQL Database, Blob Storage, Azure Front Door, CDN, Traffic Manager, Application Gateway, Key Vault etc., Automated WebApp deployment using Azure DevOps Pipelines., Enabled Auto-Scale for Web Apps for managing the spike in load., Enabled AD Authenticated logins for Web Apps., Mapped Custom Domain and binded site with wildcard SSL Certificate., Configured Web Apps based on the Tech Stack chosen by Developers., Configured HA for Web Apps., Enabled Log Analytics and AppInsights for Web Apps., Troubleshooting Errors/Exceptions – 4xx/5xx, HTTP Exceptions., Secured SQL Db accesses by restricting/whitelisting the IP’s into Firewall settings., Granted JIT (Just-In-Time) access to users using SAS URL., Rotated keys on quarterly basis as part of security activities., Configured Akamai CDN for Blob Storage and mapped Custom Domain to it., Enabled Geo-Replication with RA-GRS option for Storages., Scheduled LTR backups (Weekly, Monthly, and yearly)., Enabled Geo-Replication as a BCDR solution for SQL Data Base., Created and added replicated databases to Failover groups., Created Storage accounts and Blob containers., Created File Shares and mapped to Local Systems., Co-ordinated with Dev team and based on requirement created Build and Deploy pipeline., Enabled Log Analytics for AGW to deep insights on traffic., Enabled WAF rules (OWASP 3.0) to avoid common attacks such as cross-site scripting (XSS) and SQL injection., Have set monitoring for key business impacting events like HTTP 5xx/4xx, HTTP Exceptions, SQL exceptions, WAF matched rules, SQL failed Connections, Deadlocks, WebApp/SQL/Blob availability, Load spikes, outages etc.
• ITQNA (Dubai Immigration Customer Service), Cloud Administrator, Microsoft Dynamics CRM and Azure Cloud, In Azure IAAS good understanding on Azure Virtual Machines, ARM, Azure Storage, Virtual Network, Availability Sets, NSG, Load Balancers, ASR, and Azure Extensions., Responsible for creation and management of various Azure IAAS services., Creation of Azure NIC, Azure Virtual networks, Azure VM's and provide access users., Designed and Implemented Solution using PowerShell Run book and ARM (JSON) Template to Create Virtual Machine (involves Windows and Linux) with options for Workgroup and Domain Join including the Network and Subnet selection along with the VHD placement., Developed automated solution for Azure Storage Operations like Addition, Expansion and Deletion of VHD and Renaming of Virtual Machine on IAAS level as well as OS Level., Hands on knowledge on Azure Virtual Machines which includes the Peering between VNets, Site–to-Site Connectivity between VNets of two different Subscription., Implemented solution for Managed and Unmanaged Availability Set which includes operations like Creation and Deletion of Availability Set, Adding and Removing machine in Availability Sets., Basic knowledge and understanding on Azure Web Apps and Azure Site Recovery (ASR)., Automated various Azure IAAS operations like Start VM, Stop VM, and Delete VM., Working closely with Lead Managers and handling Cloud Operations and Delivery tasks simultaneously apart from issues resolution., Creation of Power Shell scripts and add as extensions while creating VMs., Responsible for creating Network Security Groups and add inbound rules for various ports like RDP, PS, Custom ports to allow access only from private network address prefix to provide utmost security., Write Power Shell and schedule to shutdown virtual machines during off business hours., Create storage accounts for Dev & QA teams for their application development and testing purpose., Evaluation Azure VMS to auto scale up and scale down Azure VM workloads., Responsible for set up Traffic manager for some of the critical applications across geography., Helps other team members to write Power Shell script to automate various services creation and management in Azure., Create Power Shell script to manage multiple subscriptions in Classic portal using publish settings file., Create users in Azure AD from Portal as well as form Power Shell.
• First Solar, Linux Administrator, Working on ticketing system using JIRA., Monitoring the performance of the applications on servers., Updating and troubleshooting the Linux OS and software related problems., Troubleshooting and system maintenance in RedHat Linux., Installation various RPM packages., Remote administration using SSH., User management., Participate in root-cause analysis of recurring issues., Responsible for server troubleshooting., Creating User, Group home directories and password administering., Installing new software packages and other when required by the developer or business.