• Prepare monthly invoice for Federal contract including required backup and specific forms that accompany invoice submission • Review and approve providers invoices, investigate and follow up on past due invoices as needed • Track specific details for invoicing purposes such as travel costs, consultant, and subcontractor invoices • Organize online filing and tracking systems to ensure proper documentation as well as assist accounting team in continually improving documentation processes • Support Accounting Manager with the monthly Accounts Receivable account reconciliations • Work alongside cross-functional partners in accounting, program leadership, and contracted mental health providers throughout the US • Support the execution of compliance programs, internal audits, external audits, and government audits • Maintains central files of all program activities for internal and external audit purposes