.This position oversees all the administrative and technical actions to ensure that invoicing processes are managed within the required deadlines and in accordance with internal financial procedures, while coordinating with Cash Collection actions and customers.The other 50% of the time, this position will manage the internal car fleet of the company.OperationsManual invoicing of equipment maintenance and leasing contracts, as well as hemodialysis sessions.Mailing/Emailing of electronic and non-electronic invoices from NephroCare E-Services.Control and follow up of the Return Material Reports of the clients, necessary to make credit notes, in collaboration with Logistics and Transport Agencies.Making own credits and debits in the event of returns and incidents in invoices.Filing and registration of the documentation corresponding to the debits and credits (Facet Control), which are made to rectify incidents in invoices.IPACE controls management.Interlocution with clients about claims and requisitions to resolve issues related to invoices.Coordinate actions with the billing team to achieve invoicing objectives.Request changes to master data in customer accounts.Track blocked orders and manage unblocking in SAP in coordination with the Cash Collection Manager.Monitor different situations from customer invoices, from the Edicom platform.Upload NephroCare electronic invoicing to platforms in each region as needed.Monitor the status of electronic invoices, FMC Spain and NephroCare, coordinating corrective actions with the billing team.Maintain fluid communication with the commercial team (Commercial Excellence, Customer Services, and Sales) regarding information related to invoices (NC and Product Business).Collaborate closely with the Cash Collection Manager in data preparation as requested by external and internal Auditors.Proactively collaborate in internal projects and implementation of new solutions, national or international, that impact the billing process and local business.Initiate and propose improvements that impact invoicing and cash collection processes.Report any technical incidents regarding billing systems to the Netcare team, as well as initiate functional and configuration improvements for users (according to budget and Accounting Head guidelines).Car Fleet ManagementCar fleet documentation control, including contract renewals, new assignments, and withdrawals as well as administrative traffic Ticket Management.Ensure the correct delivery of vehicles in compliance with the company's quality standards.Collaborate in the creation and implementation of a new car fleet policy.Quality, Legal & ComplianceFollow and comply with all relevant FME policies, guidelines, manuals, and SOPs in the version as amended from time to time ("FME Policies").Keep updated about the current version of the FME Policies relevant to your role and integrate corporate values into daily business