AR Specialist

AR Billing Specialist 

Location: Houston, TX — 100% on-site position

The AR Billing Specialist is responsible for accurate and timely customer billing, maintaining accounts receivable records, monitoring outstanding balances, and resolving billing and payment discrepancies. This position works closely with Sales, Operations, Shipping, and Accounting to ensure invoices are properly supported, submitted, and collected.

Key Responsibilities

• Prepare and issue accurate customer invoices in a timely manner.
• Review sales orders, contracts, purchase orders, and supporting documentation prior to billing.
• Verify invoice pricing, quantities, freight charges, sales tax, discounts, and payment terms.
• Match invoices to purchase orders, delivery tickets, bills of lading (BOLs), proof of delivery, and other required documentation.
• Submit invoices through customer billing portals and ensure all customer-specific submission requirements are met.
• Monitor invoice acceptance and rejection status and promptly correct and resubmit rejected invoices.
• Send invoices, account statements, and supporting documentation to customers.
• Process credit memos, billing adjustments, and invoice corrections with appropriate authorization and documentation.
• Monitor AR aging and identify past-due customer accounts.
• Contact customers regarding outstanding balances, payment status, and past-due invoices.
• Research and resolve billing discrepancies, deductions, short payments, unapplied payments, and customer disputes.
• Coordinate with Sales, Operations, Shipping, and Accounting to resolve billing and collection issues.
• Maintain accurate customer billing information, contacts, payment terms, and supporting documentation.
• Obtain and maintain customer W-9s, resale certificates, exemption certificates, and other required tax or account documentation.
• Assist with maintaining proper sales-tax documentation and identify missing or expired exemption/resale certificates for review.
• Support month-end closing by reviewing outstanding invoices, AR balances, credit memos, and other billing-related items.
• Prepare and support AR aging schedules, customer account reconciliations, and other management reports.
• Maintain organized records and supporting documentation in accordance with company policies.
• Perform other accounting and administrative duties as assigned.

Qualifications

Strong attention to detail, organizational and follow-up skills are essential. The position should be comfortable working with customer portals, accounting systems, Excel, invoices, purchase orders, and shipping documentation. Previous AR, billing, bookkeeping, or accounting experience is preferred, along with the ability to communicate professionally with customers and internal departments.