CHANDAN KR SINGH  ·  Senior AWS DevOps Engineer  ·  8+ yrs

Overview: Supported a client (SBD) specializing in manufacturing industrial tools and household hardware, providing services for setting up license configurations for client applications. Responsibilities: Installed diverse applications and configured licenses for development and production servers. Coordinated with vendors and users for troubleshooting and issue resolution, managing incidents, changes, and problems. Developed documentation for new applications, tracking license availability, version details, and user counts. Troubleshot application issues in AWS cloud environments, including port/firewall/security. Set up IIS and configured SSL certificates on servers, created BRD, work orders, run books, and deployment guides. Developed scripts using Python and Shell scripting, automating repeated tasks with Python and Lambda functions. Conducted KT sessions for team members post-application deployment, utilized configuration automation tools, and deployed Play Books. Managed builds and deployments using Jenkins, implementing continuous integration processes. Automated infrastructure using Terraform, creating TF state files and managing infrastructure resources. Utilized Kubernetes for automation deployment and centralized application management.

Overview: Involved in a banking project (LBG-LTB-MD-ENV-DI2) with complex architecture interacting with mainframe services. Responsibilities: Worked with Ansible and Terraform for configuration automation, deploying Play Books. Ran Docker containers, Kubernetes, and built images using Dockerfiles; deployed with Docker Compose. Managed builds and deployments with Jenkins, troubleshooting and stabilizing various environments, and utilized Maven for build automation and CI. Employed Git and GitHub for version control systems. Set up infrastructure using Terraform, EKS, and ECS to manage containers in Kubernetes. Implemented AWS Infrastructure services (EC2, S3, EBS, VPC, IAM, Security Groups, ELB, Cloud Watch, Auto Scaling, EFS, VPC). Managed log and monitoring tools including Prometheus, Grafana, and CloudWatch. Performed duties as a System Administrator for branching, merging, and access allocation to users. Worked with application servers like Apache Tomcat and HTTP, deploying code through web application servers.