We are seeking a seasoned S/4HANA Finance Functional Consultant/Solution Architect cum Program Manager to join a high-impact SAP transformation program transitioning from SAP ECC to S/4HANA. The program also includes implementations of Ariba, SuccessFactors, and Concur. With the majority of build and configuration completed, the program is entering Systems Integration Testing (SIT), followed by User Acceptance Testing (UAT), Operations Acceptance Testing (OAT), and Dress Rehearsals. Some build activities will continue in parallel. This role demands a hands-on leader with deep functional expertise in S/4HANA Finance, strong program management skills, and the ability to interface effectively with diverse stakeholders. Experience with Grants and Donor Funds, upstream systems like Summit, and transitioning programs to BAU support is essential. Key Responsibilities: Functional andamp; Solution Architecture: Provide expert guidance on S/4HANA Finance capabilities, especially in the context of ECC transition. Validate and refine existing configurations, support ongoing build activities. Ensure robust integration across Ariba (Procurement), SuccessFactors (HR), and Concur (Travel andamp; Expense) modules. Oversee upstream and downstream application integration, including systems such as Summit and other financial platforms. Ensure data consistency, process alignment, and seamless flow across integrated systems. Address functional gaps and ensure alignment with business processes, es