We are looking for a proactive and organized Administrative Assistant to join our team. The ideal candidate will be responsible for providing comprehensive administrative support, ensuring the effective flow of information and communications within the organization. Main responsibilities: * Workforce onboarding at construction site (new hires) * Daily attendance review at the construction site * Requesting contract termination letters * Reviewing HR documents * Processing advance payment requests The candidate must maintain direct and constant communication with the central office, as well as perform general duties related to the People Department. Occasional visits to the headquarters will be required. Other requirements: Proficiency in Microsoft Office. Excellent organizational and time management skills. Strong verbal and written communication skills. High attention to detail and accuracy in all tasks. Proactive attitude and ability to work both independently and as part of a team.