AR Billing Specialist

• Support implementation of billing processes across UNACEM North America operations ensuring invoices are issued accurately and in a timely manner.
• Prepare and process customer invoices based on shipment documentation, sales orders, pricing agreements, and contractual terms.
• Reviewing billing information including product quantities, pricing structures, freight charges, and tax applications to ensure accuracy.
• Post customer payments in the system in a timely manner.
• Maintain billing documentation and records required for financial controls, audits, and regulatory compliance.
• Prepare Monthly Statements for company’s customers.
• Generate and distribute the daily shipping report to management. 
• Assist with investigation and resolution of billing discrepancies, invoice disputes, and customer inquiries.
• Partner with commercial, logistics, and operations teams to validate shipment information and resolve billing issues.
• Support month end closing activities by ensuring billing transactions are recorded accurately in financial systems.
• Assist with internal financial audits and provide documentation related to billing processes when required.
• Monitor billing data and contribute to continuous improvement initiatives aimed at strengthening financial accuracy and process efficiency.
• Other duties as assigned. 

• Strong working knowledge of billing and accounts receivable processes within financial and ERP systems.
• Understanding of revenue recognition principles and financial documentation standards.
• Knowledge of pricing structures, customer agreements, and invoice validation processes.
• Understanding of financial control environments including internal audit and compliance requirements.
•  Identifies discrepancies between sales orders, shipment documentation, and billing information and recommends appropriate corrective actions.
• Evaluates billing errors or customer disputes and supports resolution through collaboration with cross functional teams.
• Adapts billing processes to support operational needs in dynamic environments including plant production and logistics operations.
•  Bachelor degree in Accounting, Finance, Business Administration or related field preferred. Associate degree accepted.
• Two to five years of billing, accounts receivable, or financial operations experience preferred.
• Experience in manufacturing, construction materials, mining, or heavy industrial environments preferred.
•  Accounting or finance related certifications considered a plus.
• Advanced Excel or financial systems training is considered beneficial.

• Strong attention to detail, organization and commitment to financial accuracy.
• Ability to work effectively within structured financial processes and internal control environments.
• Clear communicator able to collaborate with operational and commercial teams.
• Strong organizational skills and ability to manage multiple billing transactions.
• Collaborative approach when working with internal teams and customers.
• Role model of UNA Culture values.

UNACEM North America is part of the international Grupo UNACEM family. Our parent company, Grupo UNACEM, has a rich legacy that stretches back over 100 years, marked by technological innovation and a commitment to building a sustainable world. Headquartered in Lima, Peru, Grupo UNACEM was formed by merging leading cement companies and is now a reference point in the global construction materials industry. We have steadily grown our presence throughout Latin America, and today, our North American division is an integrated business leading the way for sustainable cement manufacturing in the US. In the United States, UNACEM North America operates two major cement plants—Drake Cement in Paulden, Arizona, and Tehachapi Cement in California. These facilities are recognized for their state-of-the-art technology and have established our company as a leader in the Southwest region. The Drake Cement facility was the first of its kind to be built in Arizona in 2008, and full production began in 2011. The Tehachapi cement plant has a rich history dating back to 1906. Our company culture is anchored in the UNA Values—nine guiding principles that are woven through every aspect of our business. At UNACEM, we: Collaborate as one team, fostering an environment built on trust and respect. Take responsibility for our actions, driven by a deep conviction to fulfill our purpose. Own our professional development, cultivating growth in a challenging environment. Live by the highest standards, as outlined in our Code of Ethics and Conduct. Prioritize health and safety, considering life to be our most important asset. Commit to creating economic, environmental, and social value for current and future generations. Strive to exceed expectations through continuous improvement and efficiency. Lead change by encouraging innovation and adaptability. Put the customer at the center of all our actions, working to provide sustainable solutions. As we look ahead, UNACEM North America is dedicated to ambitious sustainability goals. Grupo UNACEM’s global roadmap calls for all operations to achieve carbon neutrality by 2050. We are making large-scale investments to modernize our plants, improve energy efficiency, adopt alternative fuels, and implement carbon capture technology. These efforts align with our broader purpose—to grow together and build a sustainable world for everyone. Joining UNACEM North America means being part of a forward-thinking company—one where each team member plays a pivotal role in building a more sustainable future. If you share our values and passion for innovation, we look forward to learning more about your background and how you could contribute to our mission.