The Clinical Trial Budget Analyst III serves as a subject matter expert in the development and negotiation of complex, multi-arm, and high-acuity clinical trial budgets. This role provides advanced financial and compliance expertise, ensuring alignment with institutional objectives, regulatory requirements, and sponsor expectations. Analyst III leads high-level negotiations with sponsors and CROs, advises investigators and senior leadership on financial feasibility, and drives resolution of escalated issues. In addition to overseeing complex portfolios, this position mentors and trains team members, contributes to strategic initiatives, and supports operational excellence in clinical research business operations.