Job Summary: We are seeking an Administrative Assistant to manage information, organize daily tasks, support the team, and prepare documents in a dynamic environment. Key Highlights: 1. Opportunity for professional growth and participation in innovation 2. Teamwork and service orientation 3. Solidarity-oriented and committed culture 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 position at our Territorial Delegation in Madrid. WHAT WILL YOU DO DAILY? * Manage information within the department/work center. * Handle daily tasks such as registering, organizing, and archiving correspondence, files, records, etc. * Support department members in tasks and projects. * Perform tasks using the corporate desktop (SAP), email, and Office 365\. * Prepare reports, presentations, and document summaries. * Provide administrative support to other teams. WHAT DO WE NEED FROM YOU? (Requirements) * Vocational training level I or II related to administrative functions. * Experience in administrative functions. * Availability to work split shifts. * Proficiency in Microsoft Office applications, especially Word, Excel, and Outlook. * Advanced Excel skills. * Knowledge and experience using applications in the Corporate Desktop and SAP environments. WHAT ELSE DO WE VALUE? (Desirable Requirements) * People-oriented mindset. We love teamwork and have a strong service orientation! * Experience in dynamic and multidisciplinary environments. * Minimum two years’ experience will be valued. WHAT DO WE OFFER YOU? * Temporary contract. * Full-time schedule of 36 hours/week — goodbye to 40 hours/week! Split shift. \- Competitive salary of \+17\.000 euros gross/year; after two years, promotion to senior category with salary of \+/\- 24\.000 euros gross/year. * 24 working days of vacation \+ 6 personal days for private matters. * Annual individual training grants — we want you to keep growing! * ONCE Card: Exclusive discounts offered. * Financial assistance for birth or adoption of children. * Opportunities for anyone 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 will have the opportunity to join a solidarity-based, socially responsible, and committed organization — BY PEOPLE AND FOR PEOPLE — fully aware of its societal responsibilities, which will support you throughout your onboarding process and offer opportunities for professional growth. YOU DECIDE HOW FAR YOU GO!