Suzuki contributed to the ut-issl/s2e-core repository by addressing a critical CI/CD pipeline issue that was causing nightly build failures. He identified that the NRLMSISE-00 reference table, previously accessed via an outdated FTP protocol, was no longer reachable, disrupting automated builds. By upgrading the data access protocol from FTP to HTTPS using CMake and Shell scripting, Suzuki restored stable builds and improved the security of external data retrieval. His work involved debugging CI failures, collaborating across teams, and ensuring reliable integration workflows. This targeted fix demonstrated depth in DevOps practices and reinforced the repository’s resilience against external service outages.