Job Description – Accounts Receivable/Accounts Payable Clerk. The mission of STEM NOLA is to grow future Innovators, Creators, and Entrepreneurs through inspiration, engagement, and exposure. Members of the community will learn about opportunities in the fields of Science, Technology, Engineering, and Math (STEM). Overview. The. Accounts Receivable and Accounts Payable Clerk. is a critical role on the STEM NOLA team that ensures proper coding of ...