Assistant Controller

Description We are looking for an experienced Assistant Controller to join a mission-driven organization in Valhalla, New York. This onsite role supports core accounting operations, financial reporting, compliance activities, and audit readiness while partnering with leadership on budgeting and process improvement. The ideal candidate brings strong technical accounting knowledge, sound judgment, and the ability to balance detailed financial work with cross-functional support.

Responsibilities:

- Oversee participation in monthly, quarterly, and annual closing activities to help ensure accurate and timely financial reporting.

- Prepare and review reconciliations, journal entries, and account analysis for cash, investments, and other balance sheet accounts.

- Administer fixed asset accounting by tracking additions, disposals, and depreciation schedules.

- Contribute to payroll processing, benefits coordination, and related administrative support tied to finance and human resources.

- Assist with budget development, external audit preparation, and supporting documentation for financial statements.

- Complete required tax and regulatory filings, including nonprofit informational returns, charitable registrations, sales tax submissions, and excise tax reporting.

- Monitor grant-related and donor-restricted financial activity, including reconciliations and reporting to support fund accountability.

- Provide guidance to accounting team members, review work for accuracy, and offer backup support across accounts payable and accounts receivable functions.

- Support endowment and annual care accounting, respond to customer inquiries, strengthen internal controls, and prepare special financial analyses as needed. Requirements - Bachelor's degree in Accounting.

- At least 5 years of progressive accounting experience; nonprofit sector experience is preferred.

- Strong background in month-end close, general ledger activity, financial reporting, and audit support.

- Knowledge of internal controls and regulated financial compliance practices.

- Advanced proficiency in Microsoft Excel and working knowledge of Word, Outlook, and PowerPoint;
Sage 300 experience is advantageous.

- Excellent analytical, organizational, and communication skills with a high level of accuracy and discretion.

- Ability to manage multiple deadlines and priorities in a fully onsite environment.

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

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All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit  for more information.

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