Accounts Payable Associate

(AP + Purchasing Support) — Immediate Opening

About Great Oaks Charter School, Bridgeport

At Great Oaks our students will shape the world, not be defined by it. We believe that children learn best through a combination of authentic learning experiences, whole and small group instruction, flex scheduling, and embedded tutoring to support skill development and accelerate learning. Instruction and culture are grounded in our design principles of Mastery, Leadership, and Community. As part of the model, Great Oaks Ameri Corps Fellows provide students with additional opportunities to engage in critical content, which helps to close academic achievement gaps and level the playing field.

We are seeking talented, tenacious people who share our belief that all students deserve a high-quality education.

The Accounts Payable Associate supports the timely, accurate, and compliant processing of all invoices and vendor payments for Great Oaks Charter School. This role strengthens internal controls by ensuring documentation is complete, coding is correct, and vendor records are maintained accurately.

This position also provides purchasing support—serving as a central point of contact for purchase documentation by collecting required information and supporting the workflow that enables smooth invoice processing and payment.

• Support full-cycle AP processing, including invoice intake, documentation review, and payment processing support.
• Maintain organization of AP records to support accurate reconciliation and clean documentation.
• Manage the AP inbox for invoice submissions, follow‑ups, and invoice‑related questions.
• Ensure invoices are coded properly (GL codes, department, and purpose) and that required documentation is included prior to payment.
• Assist with resolving invoice discrepancies with vendors and internal stakeholders.
• Support timely processing of time‑sensitive invoices and payment requests.
• Maintain and update vendor records, including tracking and collecting W‑9s for new vendors and handling updates as needed.

• Serve as a central purchasing support point for the school.
• Collect and verify required purchasing details from staff, including:
• Purchase Request information (GL codes, department, purpose)
• source of funds
• documentation required for payment processing
• Gather packing lists and receipt documentation to support invoice verification and a clean match process.
• Support a 3‑way invoice match workflow by helping ensure invoices align with purchase documentation and proof of receipt.

• Monitor invoices for tax‑related billing requirements and ensure correct invoice details.
• Support audit readiness by maintaining organized AP and purchasing documentation.
• Assist with compliance‑related vendor documentation tracking and internal control expectations.

• Support credit card and open credit workflows (e.g., Amazon) by helping with:
• documentation collection
• workflow tracking and approval support
• monthly reconciliation support as needed

• Partner with finance leadership and school stakeholders to ensure purchases and invoices are processed smoothly.
• Communicate clearly and professionally with vendors and internal teams to resolve missing information or discrepancies.

• Strong understanding of AP processes and basic accounting/documentation requirements.
• Experience reviewing invoices, matching documentation, and ensuring accuracy in payment workflows.
• Excellent organizational and attention‑to‑detail skills.
• Strong communication and follow‑through with internal stakeholders and vendors.
• Comfort supporting multiple priorities in a fast‑paced environment.
• Experience using an automated AP/payment system is preferred.

• Bachelor’s degree in Accounting, Finance, Business Administration, or a related field preferred.
• 3+ years of progressive accounts payable experience (AP + purchasing/support exposure is a plus).

• Experience in nonprofit and/or charter school finance.
• Familiarity with…