ARUNKUMAR MURUGAN

Azure Kubernetes Service (AKS) Deployment:

• Designed and deployed highly available AKS clusters for microservices-based applications.
• Automated AKS cluster provisioning using Terraform, Helm Charts, and ArgoCD.
• Configured Kubernetes networking with NodePort, ClusterIP, and Ingress Controllers.
• Integrated Azure Application Gateway for layer 7 traffic management in AKS deployments.

CI/CD and GitOps Implementation:

• Implemented ArgoCD for GitOps-driven AKS deployments, ensuring declarative and automated Kubernetes operations.
• Developed Helm Charts to package and manage application configurations across multiple environments.

Reverse Proxy & Security Implementations:

• Configured reverse proxy solutions with Apache, Nginx, and JBoss for Azure WebApps and FunctionApps.
• Managed Akamai CDN and WAF for API protection, caching, and performance optimization.
• Implemented custom domain mappings, SSL/TLS certificates, and domain validation for secure application access.

Azure WebApp & FunctionApp Deployment:

• Designed and deployed .NET, Java, and Python-based applications using Azure WebApps and FunctionApps.
• Configured VNet integration, custom domains, SSL certificates, and App Service Environment (ASE) for isolated deployments.
• Optimized autoscaling, high availability, and cost efficiency for serverless applications.

CI/CD Automation with Azure DevOps:

• Developed end-to-end CI/CD pipelines in Azure DevOps for WebApp, FunctionApp, and API deployments.
• Implemented Infrastructure as Code (IaC) using Terraform, and ARM templates for consistent deployments.
• Configured Azure Key Vault for managing secrets and security tokens within pipelines.

Monitoring & Observability:

• Set up Grafana and Prometheus for real-time infrastructure and application monitoring.
• Integrated Azure Monitor, Log Analytics, and Application Insights for centralized logging, telemetry, and performance tracking.
• Configured custom Prometheus exporters for AKS, API Management, and Azure Function monitoring.

Database Management - Azure SQL & CosmosDB:

• Deployed and managed Azure SQL and CosmosDB with high availability, backup strategies, and security controls.
• Optimized query performance and indexing to reduce latency and improve application response times.

Azure API Management (APIM) Implementation & Security:

• Designed and deployed Azure API Management (APIM) to expose internal and external APIs securely.
• Configured APIM policies for authentication (OAuth 2.0, JWT), rate limiting, request transformation, caching, and CORS.
• Integrated Azure AD B2C authentication into APIM to enable secure customer authentication & token validation.
• Implemented API versioning, IP filtering, subscription keys, and security policies to enhance API protection.
• Integrated APIM with Application Gateway for SSL offloading, WAF protection, and load balancing.
• Set up custom domain mapping in APIM with SSL/TLS certificate management using Azure Key Vault.

Azure Cost Optimization for PaaS Resources – Business Efficiency:

• Optimized Azure WebApps, FunctionApps, and AKS clusters by implementing autoscaling policies based on CPU, memory, and request load.
• Adjusted App Service Plans, FunctionApp execution models (Consumption vs. Premium), and AKS node pools to reduce underutilized resources.
• Reduced cloud costs by 30% by leveraging Azure Reserved Instances and Savings Plans for SQL databases, VMs, and Kubernetes nodes.

• Azure Cloud Infrastructure Design: Architected and deployed Azure IaaS/PaaS solutions for CTS, Vymo, and BHP, optimizing cloud scalability and high availability.
• Azure DevOps Implementation: Designed and configured CI/CD pipelines using Azure DevOps, YAML, and GitHub Actions, streamlining software delivery for multi-cloud and hybrid environments.
• Security & Compliance Automation: Enforced Azure RBAC, NSGs, Key Vault, and Azure Policy, improving security posture and regulatory compliance.
• Cloud Monitoring & Observability: Integrated Azure Monitor, Log Analytics, Application Insights, and Dynatrace, enabling proactive alerting and root cause analysis.

• Azure IaaS & PaaS Deployment: Provisioned and configured Azure Virtual Machines (VMs) and PaaS services within secure VNets and subnets using PowerShell, Terraform, and ARM Templates, ensuring scalability and security.
• End-to-End DevOps Implementation: Designed and implemented CI/CD pipelines, release workflows, and environment automation, enabling seamless Continuous Integration (CI) and Continuous Delivery (CD).
• Scalable ARM Templates for IaC: Developed and optimized Azure ARM templates to standardize infrastructure deployments, ensuring consistency across multiple environments.
• Cloud Governance & Cost Optimization: Designed and deployed Microsoft Operations Management Suite (OMS) to enhance cloud governance, cost tracking, and operational efficiency.