We are seeking a Construction Site Administrative Assistant – Finance to support administrative and financial routines across construction sites, ensuring organization, accuracy, and timely delivery. **Responsibilities and duties** * Control and organize construction site documents (invoices, payment slips, contracts, and measurement reports). * Record invoices and verify evidence of services and materials. * Monitor payment deadlines in coordination with the finance department / administrative center. * Support the preparation and updating of financial spreadsheets and internal controls. * Conduct simple quotations and assist the procurement department as needed. * Assist in verifying measurement reports, bulletins, and reports submitted by suppliers. * Maintain direct contact with suppliers and construction site teams to align on pending items. **Requirements and qualifications** * Completed high school education (technical or undergraduate studies in Administration, Accounting, or related fields preferred). * Prior experience in administrative or financial roles (experience in construction/engineering is a plus). * Proficiency in Microsoft Office (especially Excel). * Strong communication skills, organizational ability, and deadline management. * Capacity to handle large volumes of information and documentation. **Additional information** Benefits offered: * Online medical consultations * Nutritionist consultations * Psychological support * Meal allowance * Baby kit * Dream letter program * Life insurance * Travel discounts * Access to gyms and physical activities Present throughout the entire national territory, we are a construction company specialized in railway engineering, operating in civil construction, infrastructure, superstructure, and OAE projects, serving both public and private clients. **For over 45 years, we have been committed to the people who make everything happen.** Every day, we build a safe, respectful, and collaborative work environment — a space where each person feels represented, valued, and part of something greater. We treat everyone with respect, recognizing the unique value each individual brings to our collective success. Wherever we go, we carry our values and leave our mark: we promote opportunities for local communities and contribute to the sustainable development of the regions where we operate. Because caring for people, the environment, and everything we build with purpose is what we do best. We are committed to transforming realities and building a better, more sustainable future with greater opportunities — together. If you share this purpose, **this is your place.**