We are seeking a proactive and organized **Administrative Assistant** to support the company's administrative and operational routines. The professional will be responsible for assisting the financial, commercial, and technical departments, ensuring smooth information flow and efficient internal processes. **Responsibilities** * Assist in managing documents, contracts, and administrative files; * Issue and verify invoices and payment slips; * Perform data entries and updates in spreadsheets and internal systems; * Help organize budgets, purchase orders, and service orders; * Support the finance department (accounts payable and receivable); * Handle client and supplier inquiries via phone and email; * Provide support to the technical team with scheduling and service request tracking; * Carry out other administrative tasks as needed. **Requirements** * Completed high school education (preferably ongoing technical or higher education in Administration, Accounting, or related fields); * Previous experience in administrative roles; * Basic knowledge of Microsoft Office suite (especially Excel and Word); * Good communication and organizational skills; * Previous experience in electronic security, technology, or technical service companies is desirable. **Advantages** * Experience with electronic invoicing; * Knowledge of ERP systems; * Basic understanding of financial procedures and billing. **Benefits** * Competitive market salary; * Transportation allowance; * Meal allowance; * Collaborative and innovative work environment; * Opportunities for professional growth. Employment type: Full-time CLT Pay: R$2,000.00 - R$2,500.00 per month