We are looking for an administrative technician for a permanent contract at a management agency. It is important to have a Medium or Higher Degree in Administration, as well as previous experience in management or advisory services. Proficiency in A3ECO, A3SOC and A3REN applications is required, along with strong skills in Excel and Word. Main responsibilities include managing the complete accounting cycle for assigned companies and self-employed individuals. This involves the calculation and submission of quarterly and annual taxes, both for corporations and individuals. Experience in preparing Corporate Income Tax, annual accounts, and personal income tax returns is essential. The position offers a full-time indefinite contract, with working hours from 09:00 to 14:00 and from 15:30 to 18:30\. The annual gross salary is 20,000 euros. Experience in invoice accounting, bank reconciliation, company closure procedures, and tax filing is required.