Over a two-month period, contributed to security and CI/CD automation for chronosphereio repositories by implementing a CodeQL security analysis workflow in the terraform-provider-chronosphere project. This workflow, written in YAML and leveraging GitHub Actions, automated vulnerability scanning for Go and Actions code, integrating security checks into the development lifecycle and reducing manual review. Additionally, addressed a critical CI issue in calyptia-core-index by restoring the previous Buildkite API token configuration, ensuring uninterrupted deployment pipelines. The work demonstrated practical application of DevOps principles, focusing on secure automation, traceable changes, and maintaining deployment velocity through targeted fixes and robust CI/CD practices.