### **Erandio, Basque Country, Spain** **\-****Posted on December 10, 2025** 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 seeking an Administrative Assistant with SAP Controlling expertise to join our team. The position involves supporting project planning, execution, and control, performing economic analysis of contracts, account reconciliations, and preparation of financial reports. Key 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 financial risks. * Support the team in continuously improving administrative and accounting processes. Requirements * Proven experience in administrative tasks within the accounting area. * Operational knowledge of SAP Controlling. * Advanced proficiency in Excel 365\. * Methodical, organized profile with strong attention to detail. Details * Location: Erandio, Basque Country, Spain * Employment Type: Permanent contract * Working Hours: Full-time * Positions Available: 1 * Work Mode: On-site