Design RAR integrations with BRIM, Sales and Distribution (SD) and billing, Project Systems, configure-price-quote (CPQ) platforms, Universal Journal, and reporting and analytics; apply SAP BRF+ and other SAP capabilities to support rules-based determination and address solution gaps through Clean Core-aligned options, including Business Technology Platform (BTP) extensions, hybrid approaches, and controlled custom development. Advise client stakeholders on RAR design decisions and their business or compliance implications; contribute to proposals, client presentations, and key design-decision documentation; and mentor and review team members' work while supporting quality, knowledge transfer, stakeholder communications, and training.