Mahesh Waran

Cloud & DevOps Engineer | Karix

• Spearheaded end-to-end data center migration of production workloads from Netdata to Sify, ensuring zero downtime and seamless business continuity across three mainstream projects — RCM (WhatsApp Messaging Solutions), Email, and SMS Media Solutions.
• Migrated a production-grade Kubernetes cluster, leveraging Velero for backup and restore, maintaining data integrity, and minimizing service disruption during the transition.
• Optimized Azure DevOps CI/CD pipelines post-migration, improving build and deployment efficiency across all project environments.
• Drove the AWS cost optimization initiative, achieving a 40% reduction in monthly cloud spend (from $25K to $15K) by migrating applications to new-generation processors and eliminating inter-AZ data transfer costs.
• Collaborated with the network team to establish AWS Direct Connect with a private VIF tunnel over BGP, enabling secure, low-latency hybrid connectivity between on-premises infrastructure and AWS.
• Facilitated multiple customer onboarding engagements by configuring site-to-site VPN tunnels from clients' on-premises environments to AWS, ensuring encrypted connectivity and seamless integration with cloud-hosted services.
• Led the migration of UAE-region workloads to Oracle Cloud Infrastructure (OCI), ensuring regional compliance, and uninterrupted service delivery during the Dubai region crisis.
• Executed emergency disaster recovery provisioning on Azure Cloud during the Dubai region crisis, spinning up the entire infrastructure and handing over production-ready VMs within a 4-hour SLA, demonstrating rapid incident response and multi-cloud resilience.

• Implement DevSecOps in Docker with AWS infrastructure & CI/CD automation
• Designing & building client infrastructure on AWS environment with cost-optimized solutions for multiple environments.
• Setting up EC2s, Installing and configuring them with required software.
• Composed specific docker file for application like Angular + Backend(Java API and Plaid API using spring boot).
• Composed different docker-compose files for different docker files for different environments.
• Implemented complete CI/CD for automation using Jenkins as tool.
• For code quality check, Integrated SonarQube in Jenkins Pipeline with Code Coverage check using JaCoCo(Plugin).
• Deploy application using docker-compose to server specific (DEV, QA, UAT) and implemented multi-branch pipelines in Jenkins.
• Setup Log Streamings of application logs to CloudWatch log group using dockercompose logging driver with IAM Role attachment to EC2 Instance.
• Used AWS Inspector for scanning Docker images stored in AWS ECR before deploying into production.
• Also architected and configured AWS services for production environment as per client requirements such as VPC, Routes tables , EC2, SQS, SNS, RDS, S3, IAM, CloudWatch Log Group, ALB, Route 53, Auto scaling, VPC Flow Logs and Network Firewall.

• Shared Service Support in DevOps and Cloud Engineering
• Create and Configured Site to Site VPN connectivity with On-premises Data Center to AWS Cloud.
• Worked as cloud architect and generated action of plan for setting up App engineering Environments for application and get approved by senior cloud architect.
• Configured networking part for DataBricks Cluster integration with On-premises data center and AWS Cloud securely with documentation.
• Created AWS Pricing Estimate for architecture solution using AWS Pricing Calculator.
• Created application environments such as Dev QA and Prod using IaC tool.
• Created Jenkins Pipeline with CI/CD automation for Dev, QA and Production Environments with documentation.
• Created a EventBridge scheduler for lambda function to get triggered for turn on/off EC2 Instance based on work time with documentation
• Created SonarQube Pipeline for Code quality and Code Coverage on Dev Environment.
• Refactor application by integrating angular with Node.js application only for Dev and QA Environment.
• Provided standardized tagging for each service in AWS Cloud.
• Generated reports in AWS for Service based billing on by Tagging services in AWS Cost Explorer.
• Created and worked on Separating Cloud Account's based on Environments using AWS Organization.
• Created a separate AWS account for Production Environment using AWS Organization child hierarchy.
• Maintaining:
• Created Standard Operating Procedure documents to share Service catalog products based on Environments.
• Provided Standard Operating Procedure documents for how to deploy Services using Service catalog(SOP).

• Support for DevOps
• Cloud: Google Cloud and Firebase
• DevOps tools: Jenkins, Firebase CLI and Jenkins iOS Native
• Application stack: Java, swift, android and Node.JS
• Supporting for 24x7 production environment with on-call and day-to-day support.
• Configured and Refactor Jenkins with Latest version of Jenkins.
• Responsible for creating and maintaining branches in GitHub Code Repository.
• Jenkins is used as Continuous Integration tool for automation of daily process.
• Responsible for Jenkins Deployment to Google Firebase and GCP App Engine
• Responsible iOS and Android Build to TestFlight and PlayStore.
• Configured and Refactor Jenkins with Latest version of Jenkins.
• Responsible for Plug-in Management, User Management, Build/Deploy Pipeline Setup and End to End Job Setup of all projects.
• Responsible for Jenkins Deployment into Production Environment.

• Refactor Application
• Implementing Azure Zero Trust Model to secure the environment.
• Worked with solution Architect to implement Azure Zero trust Model.
• Maintaining Multiple environments using Resource group.
• Optimized Docker Image size using Dockerfile for Ruby Application.
• Configured and refactored Azure services like Azure Virtual Machines, Azure App Service and roles, VNET, V-Net Integrations Network services for app services, Azure DevOps, Azure Databases, Azure Storages (Blob & Tables), Azure Active Directory, Monitoring, Autoscaling, Azure Search, DNS, VPN for the project.
• Configured Azure App-Service with P1 Service plan for Staging and Production Environments.
• Configured Azure App-Service with V-Net Integrations for app services for connecting database and redis services securely.
• Implemented Azure DevOps Pipeline using classic editor to build and Deploy the application into App Service.
• Configured Azure Front-Door with App Service for Production with Premium P1 Tier(with DDoS Protection).
• Integrated Azure Key Vault with Azure DevOps Pipeline Integration. Maintaining :
• Monitored and Maintained in deploying CI/CD system using Azure DevOps on Azure App Service container environment, and for runtime environment of CI/CD system to build, test and Deployment we have utilized Azure App Service and Docker for Ruby Application.