sandeep chahal

DevOps Engineer

Tata Consultancy Services (TCS)•  January 2020 - Present

Deployed a 2-tier Flask-MySQL application on AWS using Docker, Kubernetes (kubeadm), and AWS EKS. Improved scalability to support 10,000 concurrent users and reduced downtime by 60% using AWS EKS. Automated Kubernetes cluster setup using kubeadm and later AWS EKS with eksctl. Used Docker and Docker Compose to containerize the application, pushing images to Docker Hub for versioning. Packaged Kubernetes manifest files using Helm and deployed the application on AWS EKS. Ensured high availability and fault tolerance through multi-node cluster setup and load balancer deployment. Created and managed CI/CD pipelines using Jenkins, streamlining deployment processes. Troubleshoot and optimized AWS cloud environments for better performance and cost efficiency. Achieved a 60% reduction in deployment time and improved system uptime by 20%.