Can you imagine your professional career being part of social change and transformation? WE ARE LOOKING FOR YOUR TALENT! At ONCE, we are seeking an Administrative Assistant for a temporary vacancy within our Commercial Administration Department located in Madrid. WHAT WILL YOU DO ON A DAILY BASIS? * You will manage information within the department/workplace. * You will handle daily tasks such as registering, organizing, and archiving correspondence, files, records, etc. * You will support department members in tasks and projects. * You will perform tasks using the corporate desktop (SAP), email, and Office 365\. * You will prepare reports, presentations, and document summaries. * You will provide administrative support to other teams. WHAT DO WE REQUIRE FROM YOU? (Requirements) * Vocational Training Level I or II related to administrative functions. * Experience in administrative roles. * Proficiency in Microsoft Office applications, especially Word, Excel, and Outlook at medium/high level. * Knowledge and experience with applications in the Corporate Desktop environment and SAP. WHAT OTHER THINGS DO WE VALUE? (Desirable requirements) * People-oriented. We love teamwork and have a service vocation! * Experience in dynamic and multidisciplinary environments. * Minimum of 2 years' experience will be valued. * Experience in incident management systems and/or customer communication tools will be valued. WHAT DO WE OFFER YOU? * Temporary contract. * Full-time 36 h/w, goodbye to 40-hour workweeks! \- Competitive salary of \+16\.000 euros gross/year, and after 2 years, promotion to senior level with a salary of \+/\- 24\.000 euros gross/year. * 24 working days of vacation \+ 6 personal leave days. * Annual individual training grants—we want you to keep growing! * ONCE Card: We offer exclusive discounts. * Financial assistance for birth of children or adoption. * We offer opportunities for any person to participate in volunteer activities and contribute to community well-being. * ONCEInnova; We have an innovation and entrepreneurship unit where any employee can propose and participate in intrapreneurship and innovation projects at ONCE. You have the opportunity to join a solidarity-driven, social, and committed organization, BY PEOPLE AND FOR PEOPLE, aware of its responsibility toward society, that will support you during the onboarding process and offer you professional growth opportunities. You decide how far you go!