The Accounting Specialist will own day-to-day accounts payable and accounts receivable processing and work across payroll, employee expenses, revenue, grants, and other financial processes to identify discrepancies, obtain missing documentation, correct coding and allocation issues, and ensure clean financial inputs. Monitor open receivables and aging, follow up on outstanding balances, and tie accounts receivable, cash receipts, and revenue activity to underlying invoices, contracts, contribution records, Salesforce, and other source systems.