Job Summary: This role involves managing invoicing, collections, and administrative support, or procurement, supplier development, and negotiation for a company. Key Highlights: 1. End-to-end invoicing and collections management (CFDI 4.0) 2. Development and negotiation with domestic and international suppliers 3. Administrative and tender process support VACANCY FOR INVOICING MAIN RESPONSIBILITIES Issuance of invoices (CFDI 4.0) Validation of customers' tax data Preparation of delivery notes and order tracking Control and filing of administrative documents Payment follow-up and collections Invoice cancellation and replacement Reconciliation of invoicing vs. payments Administrative and tender process support REQUIRED KNOWLEDGE Electronic invoicing (CFDI 4.0) SAT portal (cancellations, validations) Intermediate Excel (filters, tables, data control) Systems handling: MANAGEMENT PRO / Aspel / similar Administrative control and documentation EXPERIENCE 1 to 3 years in: Invoicing Administration Accounts Receivable Desirable: Experience in the medical sector or government sales Handling high invoice volumes VACANCY FOR PROCUREMENT MAIN RESPONSIBILITIES Supplier search and development (domestic and international) Requesting and analyzing quotations Negotiation of prices, delivery times, and commercial terms Generation and tracking of purchase orders Delivery and supply timeline control Supplier comparisons (price, quality, timelines) Support in preparing tender proposals Coordination with sales and warehouse REQUIRED KNOWLEDGE End-to-end procurement process Supplier negotiation Intermediate-to-advanced Excel (comparisons, analysis) Inventory control Purchase order handling Desirable: Experience in the healthcare sector Knowledge of public tenders Handling of medical suppliers (equipment, consumables, etc.) EXPERIENCE 2 to 5 years in: Procurement Sourcing Negotiation Preferred: Medical distributors Hospitals Government supplier companies. -Requirements- Minimum education: Upper secondary education - Professional Education T 1 year of experience Knowledge: Collections, File control, Invoicing, Microsoft Excel, Follow-up, Order tracking Keywords: assistant, helper, auxiliary, aux, administrative, aide, assistant, helper, aide, administrative