Success in this role means becoming the trusted technical expert for the OneStream platform by rapidly understanding the existing application, resolving complex technical issues, delivering high-quality enhancements, supporting Finance and FP&A users, and ensuring the long-term stability and evolution of a highly customized enterprise planning solution. The successful candidate will work closely with Finance, FP&A, IT, and implementation partners to troubleshoot issues, develop new functionality, support production readiness, and become the primary technical resource responsible for the ongoing evolution of the platform.