Can you imagine building your professional career as part of social change and transformation? WE’RE LOOKING FOR YOUR TALENT! At ONCE, we are seeking an Administrative Assistant for an indefinite-term position within our Customer Experience Unit, located in Madrid. **WHAT WILL YOU DO ON A DAILY BASIS?** * Manage information within the department/work center. * Carry out 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 environment (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 roles. * Proficiency in Microsoft Office applications, especially Word, Excel, and Outlook. * Knowledge and experience using applications within the corporate desktop environment and SAP. * Strong written communication skills. **WHAT ELSE DO WE VALUE? (Desirable qualifications)** * People-oriented mindset. We love teamwork and have a strong service vocation! * Experience working in dynamic and multidisciplinary environments. * Minimum two years of relevant experience is preferred. **WHAT DO WE OFFER YOU?** * Indefinite-term contract. * Full-time schedule of 36 hours/week — goodbye to 40 hours/week! - Competitive salary of €16,000+ gross/year; after two years, promotion to senior level with a salary of approximately €24,000 gross/year. * 24 working days of vacation + 6 personal days for private matters. * Annual individual training allowances — we want you to keep growing! * ONCE Card: offering exclusive discounts. * 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 take part in intrapreneurship and innovation projects at ONCE. You’ll have the chance to join a solidarity-driven, socially committed organization — BY PEOPLE AND FOR PEOPLE — aware of its social responsibility, which will support you throughout your onboarding process and provide opportunities for professional growth. You decide how far you go!