Over a two-month period, contributed to the apache/infrastructure-actions and apache/tvm repositories by addressing both security governance and cross-platform stability. Developed and maintained a third-party actions allowlist in YAML for apache/infrastructure-actions, implementing policy-driven controls to enhance CI/CD security and compliance through GitHub Actions configuration. In apache/tvm, delivered a targeted C++ bug fix by correcting MSVC pragma syntax, resolving Windows build failures and improving cross-compiler compatibility. Demonstrated a methodical approach to DevOps and C++ development, focusing on operational stability, clear documentation, and maintainable code. The work emphasized precise configuration management and robust support for diverse build environments across projects.