Accounts Payable Clerk

Source Support is seeking a reliable and organized Accounts Payable Clerk to join our accounting team on a part-time basis, working 30–32 hours per week. In this role, you will be responsible for the day-to-day processing of vendor invoices and payments, helping keep our AP function running smoothly and accurately. This is a great opportunity for someone who enjoys transactional accounting work, takes ownership of their responsibilities, and wants to be a valued member of a supportive team. 

Invoice Processing & Payment 

• Receive, review, and accurately code vendor invoices to the appropriate GL accounts, cost centers, and entities. 
• Enter invoices into the accounting system in a timely and accurate manner. 
• Process weekly payment runs, including checks, ACH, and wire transfers, for approval by the Senior Controller. 
• Ensure invoices are approved per company policy prior to payment. 
• Maintain vendor payment terms and prioritize payments to avoid late fees or disputes. 

Vendor Management & Communication 

• Serve as the primary point of contact for vendor inquiries related to invoices, payment status, and remittance. 
• Maintain accurate and up-to-date vendor records, including W-9s, banking information, and contact details. 
• Assist with onboarding new vendors, including collecting required documentation and setting up vendor profiles. 

Reconciliation & Reporting 

• Reconcile the AP subledger to the general ledger on a monthly basis. 
• Prepare the accounts payable aging report and review with the Staff Accountant or Senior Controller. 
• Assist with month-end close by ensuring all invoices received are processed and accruals are communicated. 
• Support 1099 preparation at year-end by maintaining accurate vendor payment records throughout the year. 
• Assist with audit support by pulling invoices, payment documentation, and vendor files as requested. 
• Perform weekly reconciliations between Salesforce and WorkMarket and the general ledger, ensuring contractor payments, work orders, and disbursements are accurately reflected and any variances are investigated and resolved. 

General Team Support 

• Maintain organized digital and physical filing systems for invoices, payment records, and vendor documents. 
• Support the broader accounting team with ad hoc tasks and projects as directed. 
• Identify opportunities to improve AP workflows, reduce manual steps, and strengthen controls. 
  

Required 

• Associate’s or Bachelor’s degree in Accounting or Business a plus. 
• 1–3 years of accounts payable or general accounting experience. 
• Working knowledge of accounts payable processes, invoice coding, and payment runs. 
• Experience with accounting software or ERP systems (QuickBooks, NetSuite, Sage, or similar). 
• Proficiency in Microsoft Excel and general comfort with technology and digital tools. 
• Strong attention to detail and a high degree of accuracy in data entry and record-keeping. 
• Reliable, organized, and able to manage recurring tasks with minimal supervision. 
• Clear and professional communication skills for vendor and internal team interactions. 

Preferred 

• Familiarity with 1099 preparation and year-end AP processes. 
• Prior experience in a multi-entity or multi-location company. 
• Exposure to paperless AP or invoice automation tools. 
  

• Part-time position: 30–32 hours per week with a consistent, predictable schedule. 
• Schedule flexibility available; core hours and days to be established upon hire. 
• Competitive hourly compensation commensurate with experience. 
• Part-time employees are eligible for pro-rated paid time off and holiday pay.