Rajesh K.

I help startups, SaaS companies, and growing businesses **build, automate, secure, and scale reliable cloud infrastructure**. Whether you’re launching a new application, migrating to the cloud, improving an existing production environment, or dealing with deployment, infrastructure, DNS, or email-deliverability issues, I can help you design and implement a practical end-to-end solution. My focus is on infrastructure that is **automated, secure, scalable, observable, cost-conscious, and easy to maintain**. ### ☁️ Cloud & Infrastructure - AWS & Microsoft Azure - Cloud architecture and infrastructure design - Production environment setup and management - Server provisioning and configuration - Cloud migration and modernization - Load balancing and high-availability architecture - Networking and security - Infrastructure optimization and cost management - Linux server administration ### 🐳 Docker & Kubernetes - Docker containerization - Kubernetes cluster management - Container orchestration - Production application deployments - Kubernetes workloads, services, ingress, and configuration - Application scaling and resource optimization - NGINX and reverse-proxy configuration - Troubleshooting containerized production environments ### 🔄 CI/CD & DevOps Automation I build reliable deployment pipelines that reduce manual work and make releases more consistent and predictable. - GitHub Actions - GitLab CI/CD - CI/CD architecture and implementation - Automated build and deployment workflows - Environment management - Release automation - Automated testing integration - Deployment rollback strategies - DevOps workflow optimization ### 🏗️ Infrastructure as Code I replace manual infrastructure processes with **repeatable, version-controlled, and maintainable infrastructure**. - Terraform - Infrastructure as Code (IaC) - Automated cloud provisioning - Configuration automation - Environment standardization - Infrastructure version control - Multi-environment infrastructure management ### 🔐 DevSecOps & Infrastructure Security Security is integrated into the infrastructure and deployment lifecycle from the beginning. - Cloud security configuration - Linux/server hardening - IAM and access management - Network security - Secrets management - SSL/TLS configuration - Secure CI/CD practices - Infrastructure security reviews - Security-focused deployment practices ### 🌐 DNS, Email & Domain Infrastructure I also specialize in complex DNS and email-authentication issues that can affect security and deliverability. - DNS configuration and troubleshooting - Domain migrations - DNS record management - SPF configuration - DKIM configuration - DMARC implementation and policy configuration - Email authentication troubleshooting - Email deliverability issues - Domain security configuration - NGINX and web-server configuration ### 📊 Monitoring, Reliability & Performance Production infrastructure needs more than just deployment—it needs visibility and reliable operations. - Infrastructure and server monitoring - Application monitoring - Log management - Performance optimization - Resource and capacity planning - Production troubleshooting - Incident investigation - Reliability improvements - Scalability planning - Downtime and operational-risk reduction ### 🚀 What I Can Help You With - Build AWS or Azure infrastructure from scratch - Migrate applications to AWS or Azure - Containerize existing applications with Docker - Deploy and manage Kubernetes workloads - Build production-ready CI/CD pipelines - Implement Terraform-based Infrastructure as Code - Automate infrastructure and deployment workflows - Improve cloud security and server hardening - Optimize cloud infrastructure and resource usage - Troubleshoot production and deployment issues - Configure DNS, NGINX, SSL/TLS, SPF, DKIM, and DMARC - Resolve email authentication and deliverability problems - Improve application availability, scalability, and reliability - Modernize existing DevOps environments ### 🛠️ Core Technology Stack **Cloud:** AWS, Azure\ **Containers:** Docker, Kubernetes\ **Infrastructure as Code:** Terraform\ **CI/CD:** GitHub Actions, GitLab CI/CD\ **Servers:** Linux, NGINX\ **Networking:** DNS, HTTP/HTTPS, SSL/TLS\ **Email Security:** SPF, DKIM, DMARC\ **Version Control:** Git\ **Automation:** CI/CD, Infrastructure Automation ### 🎯 How I Work I don't believe in one-size-fits-all infrastructure. I first understand your application architecture, traffic patterns, deployment workflow, security requirements, operational challenges, and business goals. Then I design and implement an infrastructure solution that fits your actual require