Senior Accountant

The Senior Accountant is a key member of the finance team, responsible for the monthly and annual close, financial reporting, and general ledger maintenance for multiple nonprofit entities. Reporting to the Controller, this role oversees accounts payable and receivable functions through direct supervision of Staff Accountant and ensures data accuracy across accounting systems. The Senior Accountant plays a critical role in ensuring internal controls, supporting audit preparation, and delivering financial insights that inform organizational decision-making.

Scope of Responsibilities:

• Serve as the primary lead for the month and year-end close process across multiple entities.
• Supervise, train, and provides performance input for the Staff Accountant.
• Act as liaison with the Controller to implement process improvements and policy updates.
• Ensure adherence to GAAP and nonprofit accounting standards across assigned entities.
• Assist with maintaining internal control documentation and identifying opportunities for process improvements.
• Support implementation and enforcement of procurement, expense, and cash management policies.
• Responsible for month-end and year-end closing processes including posting of adjusting journal entries, reconciliation of bank accounts and preparation of monthly financial statements and budget variance reports for AGC ELC and AGC Charities.
• Responsible for overseeing the Staff Accountant whose main responsibilities are A/R and A/P.
• Ensure accurate and timely data flow and reconciliations across systems (AMS – Association Management System (Fonteva), Sage100, BILL, Concur).
• Responsible for assisting with the day-to-day operations of AGC’s Financial operations.
• Responsible for review of Fonteva (Association Management System) financial data and import into accounting system (Sage100).
• Partner with IT and finance leadership during system upgrades or integrations.

Duties:

Financial function:

• Monitor timely submission of support for American Express charges to Concur and reconcile American Express account monthly. Follow up with staff member if support is not submitted timely.
• Serve as the lead accountant for AGC ELC and AGC Charities: responsible for month-end and year-end closing processes including posting of journal entries, reconciliation of bank account and preparation of monthly financial statements and budget variance reports.
• Responsible for prepaid expense reconciliations and necessary recording of journal entries.
• Responsible for importing Concur and BILL transactions into accounting system (Sage100).
• Review Fonteva (Association Management System) financial data and import into accounting system (Sage100).
• Responsible for reconciling credit card transactions.
• Prepare, enter and post monthly AGC journal entries into accounting system (Sage 100).
• Responsible for supervising, training and coaching Staff Accountant.
• Responsible for reviewing Staff Accountant’s work who is in charge of A/R and A/P.
• Responsible for assisting with Balance Sheet account and revenue and expense account reconciliations.
• Assist with budget monitoring, forecasting, and multi-year planning as needed.
• Assist with audit and tax schedule preparation.

Other functions:

• Preparation of annual Economic Census Reports
• Preparation of Arlington County Business License
• Preparation of Arlington County Property Tax Return
• Preparation of annual DC Income and Expense report.
• Other job-related duties as assigned.

Requirements

• Minimum of 4 years of progressive accounting experience required, preferably in a nonprofit or multi-entity environment
• Bachelor’s degree in Accounting, Finance, or a related field preferred; equivalent experience will be considered
• Strong understanding of Generally Accepted Accounting Principles (GAAP) and nonprofit accounting standards required
• Proven experience with month-end close, financial reporting, journal entries, and account reconciliations required
• Demonstrated ability to manage and prioritize multiple projects and deadlines independently required
• High attention to detail and accuracy in work a must
• Must have ability to work independently, take initiative, and apply critical thinking
• Experience supervising or coaching accounting staff preferred
• Proficiency in Microsoft Excel (e.g., pivot tables, formulas, VLOOKUP) and familiarity with Microsoft Office suite required
• Experience with accounting software such as Sage 100, Concur, and BILL preferred; experience with Fonteva or similar AMS is a plus
• Strong analytical, organizational, and problem-solving skills required
• Effective verbal and written communication skills required