World Wildlife Fund (WWF), the world's leading conservation organization, seeks an Accounts Receivable Specialist in our Washington, DC office. Support the Accounting Department in all accounting functional areas during the organization’s ERP implementation. The daily tasks will change frequently, because support will be provided to all functional areas including accounts receivables, and other general accounting functions. This job is a limited-term position funded for 10 months. Serves as the primary contact for the Accounts Receivable department regarding invoice creation, grant receipts, pledge management, and approvals and signatures. Ensures financial revenue transactions are processed accurately, efficiently and within established deadlines.