Our client is a multinational company and is looking to incorporate an Billing administrative with an excellent level or German and English. Scope Of Responsibility: Part of order to cash process (supporting invoicing of delivered goods and services and resolving customer disputes of issued invoices). Support of customer service organization. Job Purpose: To assure correct automatic and manual processing of customer invoices and to document and archive all relevant information. To enter and maintain customer specific billing and invoice delivery requirements, especially in the area of electronic invoice delivery, electronic data interfaces and public sector electronic invoicing solutions. To assist correct internal accounting and reporting processes by accurate and systematic process application. To maintain and correct as needed the stock of equipment rented by the customers. To provide excellent customer experience and full legal compliance by receiving, investigating and processing specifically assigned customer disputes regarding billing issues, in support of the customer service organization and the sales department. Accountabilities: Contribute to timely, accurate and satisfactory resolution of billing issues. Assist in avoiding repetition of issues by identifying and initiating remedy of root causes. Ensure compliance with SOX, VAT law and other legal rules applicable. Adhere to the key performance indicators of the department and the company.