Under the guidance of a director or Portfolio Manager, you will support transaction risk management for a portfolio of merchant accounts. Develop, test, and implement machine learning models and rules to mitigate fraud and credit risk. Analyze ambiguous data to understand trends, reach conclusions, and develop strategies to improve portfolio performance. Provide internal and external reporting and analytics on an ongoing and ad hoc basis. Monitor key metrics and ensures accounts are meeting all contractual SLAs. Communicate directly with external customers. Works with minimal supervision.