The Water Programs Manager will own the grant lifecycle and partnership relationships for a portfolio of global WASH implementation partners, focusing on grants management, performance monitoring against a defined framework, integrating M&E findings, optimizing partner implementation, and strengthening systems. The role is remote (U.S. only), requires 5+ years managing WASH portfolios or programs in international contexts, involves up to 20% travel, and includes mentoring at least one associate and coordinating with finance and M&E teams.