Worked on stabilizing the CI/CD pipeline for the rstudio/rstudio repository by addressing authentication and credential management issues within Jenkins. Focused on updating Jenkins utility scripts, the developer ensured that the correct 'posit-jenkins-rstudio' credential ID was used for repository authentication, which resolved persistent pipeline authentication failures. This change improved both the reliability and security of the CI/CD process, supporting faster pull request validation and smoother release cycles. The work involved applying best practices in credential scoping and hygiene, leveraging skills in DevOps, Jenkins, and Groovy to enhance pipeline uptime and maintain compliance with security standards across the core repository.