Responsibilities include helping manage Accounts Payable (AP) and Accounts Receivable (AR) communications, organizing vendor invoices, supporting vendor payment processing, assisting with vendor inquiries, maintaining accurate financial records, preparing AR invoice documentation, and organizing customer payment information. The role also involves contributing to process improvement initiatives, providing administrative and accounting support on special projects, participating in department meetings, trainings, and client visits, and collaborating with mentors and managers to establish learning goals and professional development objectives throughout the internship.