Join the company that has been a reference in high-complexity and large-scale projects for over 70 years! The Aterpa Group consists of the construction companies Aterpa, Sam, and J Dantas, and specializes in integrated solutions for heavy construction and infrastructure throughout Brazil. Here, you will be part of an incredible team of professionals who build a successful future every day. **Responsibilities** Carry out the purchase of materials related to Aterpa Group projects (cement, steel, lubricants, tires, etc.) and various supplies required at the Central Office. Negotiate prices, delivery times, payment terms, and other relevant points regarding hiring/acquisition, in compliance with established purchasing policies. Estimate costs for inputs/services required for bidding on new projects. Periodically evaluate suppliers as outlined in company policies. Request supplier registration when applicable, according to company policies. Request, quote, prepare quotation spreadsheets, equalize offers, and purchase materials. **Required Qualifications** High school diploma completed; higher education in Administration or related fields is desirable. Experience in the activities described above. Proficiency in Microsoft Office (intermediate Excel skills). Knowledge of SAP is a plus. Availability for travel (site visits and support during mobilizations). Employment type: Full-time, Permanent CLT Salary: R$1.900,00 - R$6.000,00 per month