Andrew Rothstein is an active open-source contributor on GitHub, primarily focused on automation, infrastructure-as-code, and DevOps-related technologies. His work revolves around creating and maintaining Ansible roles, particularly for software installation, cloud infrastructure, and container orchestration. Many of his repositories provide pre-built automation scripts for setting up development environments, configuring services, and managing Kubernetes, Terraform, and other cloud-native tools.

He is also involved in the Ansible community and contributes to making software deployment and configuration management easier by offering reusable automation components. His repositories often cater to system administrators, DevOps engineers, and developers looking for streamlined ways to manage infrastructure using Ansible.