We are looking for an experienced Interim Controller to support a nonprofit organization in Greenvale, NY through a Contract engagement. This role will lead core accounting operations, strengthen financial oversight, and help ensure the organization is fully prepared for its upcoming audit. The ideal candidate brings strong hands-on expertise in financial close activities, reconciliations, budget management, cash and payroll oversight, along with hands-on experience with Workday Financial Management (ERP).

Responsibilities:

• Lead the preparation for external audit activities by organizing financial records, validating supporting documentation, and resolving accounting discrepancies.
• Oversee monthly close processes to ensure timely and accurate reporting across the general ledger and related financial statements.
• Perform detailed reconciliations for accounts and balance sheet items, investigating variances and correcting issues as needed.
• Review payroll-related financial activity to confirm accuracy, completeness, and proper recording in the accounting system.
• Manage treasury functions and monitor cash flow to support day-to-day operations and informed financial planning.
• Assist with budgeting and forecasting efforts by analyzing historical results, current trends, and organizational needs.
• Maintain strong oversight of financial data within Workday Financials ERP and support effective use of the platform for accounting operations.
• Compile and organize key financial documents required for reporting, compliance, and audit readiness.