Job Summary: We are seeking an Administrative Assistant to support project planning, execution, and control, performing economic analysis of contracts and preparing financial reports. Key Highlights: 1. Support project planning, execution, and control 2. Economic analysis of contracts and account reconciliation 3. Preparation of financial reports for decision-making ### **Erandio, Basque Country, Spain** **\-****Posted on February 9, 2026** Job Description **Circet** is a leading European company in telecommunications infrastructure and services, specializing in comprehensive “End-to-End” solutions for fixed and mobile networks. We operate under the highest standards of quality, operational efficiency, and sustainability, supporting our clients throughout all phases of their telecommunications and energy projects. Our headquarters in Erandio, Basque Country, offers a dynamic and collaborative environment where innovation and excellence are core values. We are looking for an **Administrative Assistant with SAP Accounting expertise**, to join our team on-site under an indefinite, full-time contract. The role involves supporting project planning, execution, and control, conducting economic analysis of contracts, performing account reconciliations, and preparing financial reports to facilitate decision-making. Job Responsibilities * Conduct economic analysis of lease agreements and other contracts related to telecommunications projects. * Perform account reconciliations and accounting entries in SAP. * Prepare and update financial and management reports for decision-making. * Collaborate in identifying and managing project-related financial risks. * Support the team in continuous improvement of administrative and accounting processes. Requirements * Proven experience in administrative tasks within the accounting area. * Operational knowledge of SAP Accounting. * Proficiency in Excel 365. * Methodical, organized profile with strong attention to detail. * Minimum qualification: Medium-Level Vocational Training Cycle. Details * Location: Erandio, Basque Country, Spain * Contract Type: Indefinite * Working Hours: Full-time * Vacancies: 1 * Employment Mode: On-site