We are looking for a Junior Administrative Support Analyst to provide support for administrative and financial routines, with a focus on billing, controls, and monitoring of financial flows. **Responsibilities and duties** * Perform **invoice issuance and verification** * Issue **invoices and bank slips** * Generate and monitor **accounting entries** * Monitor **financial flows** * Maintain **administrative controls via spreadsheets** * Resolve **billing-related issues together with customers** **Requirements and qualifications** * Currently pursuing or holding a degree in **Business Administration, Accounting, Economics, Information Systems**, or related fields * Proficiency in **Microsoft Office Suite** * **Advanced Excel skills** * Basic knowledge of taxes: **ISS, INSS, PIS, and COFINS** (for billing and withholding purposes) * Organizational skills and attention to detail * Aptitude for numbers and financial controls * Strong communication skills for customer interaction * Proactivity and sense of responsibility **Additional information** * Salary: R$ 2\.308\.94 * Meal Allowance: R$ 20.00 per day * Transportation Benefit or Fuel Allowance * Birthday Bonus * TotalPass * Life Insurance * Unimed Health Insurance after probation period * No monthly fee, with co-payment * Uni\-odonto Dental Insurance after probation period * Working hours: **08:00 AM to 5:00 PM** **Join Mamtech Technology!** We are constantly growing and seeking talented, innovation-driven individuals to join our team. Here, you will find a collaborative environment, challenges that drive professional development, and the opportunity to build solutions that make a difference. If you seek career growth and wish to work at a company that values people and technology, Mamtech is the right place for you! Apply now and help us shape the future together.