Senior Staff Accountant (Temp-to-Hire)

About the Opportunity

A well-established, mission-driven nonprofit organization based in Washington, DC is seeking a Senior Staff Accountant to join its finance team on a temp-to-hire basis. This role reports to the Accounting Director and will play a key role in supporting core accounting operations, compliance, and financial reporting. This is an excellent opportunity for an experienced nonprofit accountant who enjoys hands-on work, collaboration, and contributing to an organization with a global impact.

Key Responsibilities

• Perform general accounting functions supporting month-end and year-end close
• Prepare schedules and journal entries for review by senior leadership
• Develop and maintain multiple cost allocation schedules on a monthly basis
• Process Accounts Payable, including review, coding, documentation, and timely payments
• Coordinate with internal staff, vendors, and banking partners in a professional manner
• Track and manage international wire transfers as needed
• Ensure adherence to established accounting procedures and internal controls
• Maintain compliance with applicable sponsoring agency and grant regulations
• Assist with audit preparation, including annual financial audits and programmatic audits
• Support preparation of Form 990 and related filings
• Assist with accounting research and special projects as requested
• Serve as backup for various accounting functions when needed

Required Qualifications

• Bachelor’s degree in Accounting or equivalent relevant experience
• Strong experience with QuickBooks Online or a similar accounting system
• Intermediate proficiency with Microsoft Excel
• Working knowledge of nonprofit accounting, GAAP, and compliance requirements
• Experience supporting month-end close and general ledger activities
• Eligibility to work in the United States (no visa sponsorship available)
• Ability and willingness to work onsite in a hybrid environment

Preferred / Nice-to-Have Qualifications

• Experience with grant-funded accounting
• Understanding of Uniform Guidance
• Exposure to foreign currency transactions and international payments
• Experience with accounts payable automation tools (e.g., Anybill or similar)
• Prior experience supporting audits and Form 990 preparation

Desired Characteristics

• Highly organized, proactive, and detail-oriented
• Adaptable and able to thrive in a fast-paced, collaborative environment
• Strong interpersonal and communication skills
• Professional, service-oriented approach when working with internal and external stakeholders
• Motivated by mission-driven work and organizational impact