AR Billing Specialist

Work location : Scottsdale, Arizona

Reports to: Accounting Manager

Role Summary

The AR Billing Specialist provides specialized support for customer billing, invoicing, and accounts receivable processes across UNACEM North America operations. This position ensures invoices and customer payments are processed accurately and on time, supports financial control activities, and contributes to accurate revenue recognition in accordance with company policies and established accounting practices.

Purpose

The AR Billing Specialist supports the execution of billing and invoicing processes that ensure timely, accurate, and properly documented revenue transactions. The position helps maintain financial integrity by validating billing information against shipment documentation, sales orders, pricing agreements, and customer terms. The role also responds to billing inquiries and works closely with commercial, logistics, operations, and finance teams to resolve discrepancies and support an efficient order-to-cash process.

Key Accountabilities

• Execute billing processes across UNACEM North America operations, ensuring customer invoices are issued accurately and on time.
• Prepare and process customer invoices using shipment documentation, delivery tickets, sales orders, pricing agreements, and contractual terms.
• Prepare and process credit and debit memos with proper documentation.
• Review product quantities, pricing, freight charges, discounts, and applicable taxes to verify billing accuracy.
• Post customer payments accurately and promptly within the appropriate financial system.
• Prepare and distribute monthly customer statements.
• Generate and distribute the daily shipping report to management and designated stakeholders.
• Maintain complete and accurate billing records to support internal controls, audits, financial reporting, and regulatory requirements.
• Investigate and help resolve billing discrepancies, invoice disputes, payment application issues, and customer inquiries.
• Partner with commercial, logistics, and operations teams to validate shipment information and correct billing issues.
• Support month-end closing activities by ensuring billing and payment transactions are accurately recorded within established deadlines.
• Assist with internal and external audits by providing billing records, reconciliations, and supporting documentation when requested.
• Monitor billing data and contribute to continuous improvement initiatives that strengthen accuracy, financial controls, and process efficiency.
• Perform other duties as assigned.

Knowledge

• Working knowledge of billing, invoicing, cash application, and accounts receivable processes.
• Understanding of revenue recognition concepts and financial documentation standards.
• Knowledge of sales orders, delivery tickets, shipment documentation, pricing structures, freight charges, customer agreements, and invoice validation processes.
• Understanding of internal financial controls, audit requirements, and record-retention practices.
• Proficiency with Microsoft Excel and financial or enterprise resource planning systems.
• Familiarity with billing processes in manufacturing, construction materials, mining, logistics, or another heavy industrial environment is preferred.

Problem Solving

• Identifies discrepancies among sales orders, pricing agreements, shipment documentation, delivery tickets, customer payments, and billing records.
• Reviews billing errors and customer disputes to determine the source of the issue and support appropriate corrective action.
• Uses sound judgment to distinguish routine billing corrections from issues requiring escalation to the Accounting Manager or another business partner.
• Coordinates with commercial, logistics, operations, and finance stakeholders to obtain missing information and resolve billing issues.
• Prioritizes time-sensitive transactions during high-volume periods and month-end closing while maintaining accuracy and proper documentation.
• Adapts billing activities to changing operational requirements, including variations in plant production, shipping, pricing, and logistics processes.

Interactions and Influence

• Works closely with the Accounting Manager and other finance team members to support accurate billing, payment posting, month-end closing, and financial reporting.
• Partners with commercial and sales teams to validate pricing, customer agreements, and invoice requirements.
• Collaborates with logistics and operations teams to confirm shipment activity, delivery information, quantities, and freight charges.
• Communicates professionally with customers regarding invoices, statements, payment applications, and billing inquiries.
• Provides documentation and explanations to internal and external auditors when requested.
• Builds productive working relationships across functions to facilitate timely issue resolution and accurate financial transactions.

Impact

Direct: The position directly affects invoice accuracy, customer account records, payment application, the timeliness of revenue transactions, and the reliability of billing information used during financial close and reporting.

Indirect: Accurate and timely billing supports cash flow, customer satisfaction, audit readiness, effective internal controls, and confidence in UNACEM North America financial information. Errors or delays may affect customer relationships, revenue reporting, collections, and operational decision-making.

Experience and Education

• Associate degree in Accounting, Finance, Business Administration, or a related field required.
• Bachelor's degree in Accounting, Finance, Business Administration, or a related field preferred.
• Two to five years of experience in billing, accounts receivable, cash application, or financial operations preferred.
• Experience working with an enterprise resource planning or financial management system preferred.
• Proficiency in Microsoft Excel, including working with formulas, filters, reconciliations, and large data sets.
• Experience in manufacturing, construction materials, mining, logistics, or another heavy industrial environment is preferred.
• Accounting- or finance-related certifications are considered a plus.
• Advanced Excel or financial systems training is beneficial.
• Bilingual English and Spanish skills are a plus.

Success Profile

• Demonstrates strong attention to detail and a consistent commitment to financial accuracy.
• Works effectively within structured accounting processes, deadlines, and internal control requirements.
• Communicates clearly and professionally with customers and cross-functional business partners.
• Organizes and manages multiple billing transactions, inquiries, and deadlines effectively.
• Takes ownership of discrepancies and follows issues through resolution.
• Approaches customer and internal billing concerns with professionalism, responsiveness, and sound judgment.
• Collaborates effectively with finance, commercial, logistics, and operations teams.
• Handles financial and customer information with appropriate confidentiality.
• Demonstrates adaptability and composure in a fast-paced operational environment.
• Serves as a role model of UNA Culture values.