Part-Time Nonprofit Bookkeeper

Position Overview

FSI seeks an experienced Part‑time Nonprofit Bookkeeper to support the Finance Department. Reporting to the Director of Finance & HR, this non‑exempt, fully remote role performs assigned bookkeeping and accounting support functions in Quick Books Online (QBO) and supports accurate month‑end reporting.

FSI manages approximately $40 M in assets and processes $24–30 M annually in grants, expenses, and programmatic investments, including donated property, in‑kind contributions, stock gifts, and real assets. This role provides critical execution‑level support to ensure the accuracy, integrity, and audit‑readiness of those records.

Important note on system transition: FSI anticipates migrating to a new accounting system in the near future. This role will maintain continuity and data integrity in QBO during the transition period, then perform bookkeeping functions within the new system following implementation. Candidates should be comfortable with change, capable of adapting workflows, and willing to contribute actively to a successful migration. This is a meaningful added responsibility that is reflected in the compensation range.

This is a part‑time role offering 10–20 hours per week with flexible scheduling coordinated within Eastern Time business hours. The position is well‑suited for professionals who can commit to a consistent, predictable schedule and maintain reliable availability during agreed‑upon hours—whether that’s structured around personal commitments, a second role, or other priorities. Reliability and consistency are as important as flexibility.

• Assist with monthly close activities and reconciliation of bank, investment, Pay Pal and  accounts as assigned
• Support accounts payable (AP) and accounts receivable (AR) processing
• Assist with tracking grants, donations, and outgoing payments including international contractor payments

• Prepare journal entries as directed to allocate payroll, healthcare group plans, and shared fringe benefits across multiple program cost centers and departments
• Support classification of expenses by functional expense category:
  Program Services, Management & General, and Fundraising
• Assist in recording and categorizing grants and contributions, including appropriate revenue recognition and classification of temporarily restricted and unrestricted funds
• Support accurate tracking of donated property, in‑kind contributions, stock gifts, and other non‑cash assets as directed

• Retrieve payment confirmations, check copies, and vendor information from
• Locate corresponding transactions in Quick Books Online and attach supporting documentation to the correct entries
• Follow established internal file naming conventions and documentation standards to maintain a clean, traceable audit trail
• Flag incomplete documentation and coordinate follow‑up with employees as needed

• Review and match expense receipts to company credit card transactions, verifying payee, date, and amount with absolute accuracy
• Attach verified receipts to the appropriate transactions in the accounting system
• Identify and escale missing or inconsistent documentation

• Maintain accurate records and data integrity in QBO through the migration period
• Assist with reconciliation efforts and data validation during transition
• Perform assigned bookkeeping functions within the new system following implementation

• Escalate discrepancies, missing documentation, or inconsistencies to the Director of Finance & HR promptly
• Maintain a clear and traceable digital audit trail
• Provide regular updates on completed work and outstanding items
• Adhere strictly to established SOPs and internal controls

This position is fully remote and open to candidates located within the Eastern Time Zone. FSI is currently able to employ individuals in Maine, New York, Maryland, and North Carolina. Employment is contingent upon FSI's ability to lawfully employ the selected candidate in their state of…