Zhao enhanced cloud infrastructure automation by delivering three features across GoogleCloudPlatform/magic-modules and cloud-foundation-fabric. In magic-modules, Zhao improved Terraform documentation for Spanner IAM by clarifying support for new principal identifiers and providing guidance on federated identity configuration, reducing onboarding time and misconfigurations. In cloud-foundation-fabric, Zhao added public DNS attributes with DNSSEC-enabled zones and logging, updating both schema and documentation to support secure, auditable DNS management. Additionally, Zhao implemented target secure tags for hierarchical firewall policies, refining tag integration and policy tagging. The work demonstrated depth in Terraform, DNS management, and infrastructure as code, focusing on clarity, security, and maintainability.