Description
Position Summary
The Senior Accounts Payable Accountant is responsible for overseeing the organizations
accounts payable function while ensuring timely, accurate, and compliant processing of
invoices, payments, and expense reimbursements. This role supports the nonprofits
financial operations by maintaining strong internal controls, ensuring compliance with grant
and donor restrictions, assisting with month-end and year-end close processes. The ideal
candidate has strong accounting knowledge, nonprofit finance experience, and excellent
organizational and communication skills.
Key Responsibilities
- Oversee the daily accounts payable process, ensuring invoices are accurately coded, approved, and processed in a timely manner.
- Review and process approvals of vendor invoices, payment requests, employee reimbursements, and check runs.
- Maintain vendor records, including W-9 documentation and payment information.
- Prepare and file annual IRS Form 1099s in compliance with federal regulations.
- Reconcile accounts payable subledger to the general ledger.
- Assist with month-end and year-end closing activities, including accruals and account reconciliations.
- Monitor outstanding liabilities and aging reports, resolving discrepancies promptly.
- Ensure compliance with organizational policies, GAAP, grant requirements, and nonprofit accounting standards.
- Support external audits by preparing schedules, documentation, and responding to auditor requests.
- Assist with cash flow planning by forecasting payment obligations.
- Collaborate with managers to ensure expenses are properly allocated to grants, programs, and funding sources.
- Identify opportunities to improve AP processes, internal controls, and workflow efficiencies.
- Maintain confidentiality of financial and employee information.
- Perform other accounting and finance duties as assigned.
Requirements
Qualifications
Education
Bachelors degree in Accounting, Finance, or a related field required.
Experience
- 3-4 years of accounting experience, accounts payable focused.
- Minimum of 2 years of nonprofit accounting experience preferred.
- Experience with grant accounting and fund accounting is desirable.
- Experience with accounting software such as Sage Intacct, NetSuite, or similar ERP systems preferred.
Knowledge, Skills, and Abilities
- Strong understanding of Generally Accepted Accounting Principles (GAAP).
- Knowledge of nonprofit accounting, fund accounting, and grant compliance.
- Excellent analytical, problem-solving, and reconciliation skills.
- High level of accuracy and attention to detail.
- Strong organizational and time management skills with the ability to meet deadlines.
- Proficiency in Microsoft Excel and Microsoft Office Suite.
- Excellent written and verbal communication skills.
- Ability to work independently while collaborating effectively with cross-functional teams
- Demonstrated integrity and commitment to confidentiality.
Working Conditions
- Primarily office work environment (some opportunity for hybrid days).
- May require extended hours during month-end, year-end, or audit periods.
- Ability to sit for extended periods and occasionally lift up to 20 pounds.
Preferred Competencies
- Process improvement
- Internal controls
- Vendor relationship management
- Grant compliance
- Customer service orientation
- Collaboration and teamwork
- Ethical judgment and accountability
Skills Required
- Bachelor's degree in Accounting, Finance, or related field
- CPA or CPA candidate
- 5-7 years of progressive accounting experience including accounts payable
- Minimum of 2 years nonprofit accounting experience
- Experience with grant accounting and fund accounting
- Experience with accounting software (Blackbaud Financial Edge, Sage Intacct, NetSuite, or similar ERP)
- Strong understanding of Generally Accepted Accounting Principles (GAAP)
- Proficiency in Microsoft Excel and Microsoft Office Suite
- Ability to prepare and file IRS Form 1099s and maintain vendor W-9 documentation
- Experience reconciling AP subledger to general ledger and supporting audits
What We Do
The mission of the Autism Treatment Center is to assist people with autism and related disorders throughout their lives as they learn, play, work and live in the community.








