ADMINISTRATIVE - EXECUTIVE ASSISTANT

ONCEMadridJob.bopublished 10/12/2026
Machine translation — original language: Spanish.Show original

Can you imagine your professional career being part of social change and transformation? WE ARE LOOKING FOR YOUR TALENT!

At ONCE, we are looking for an Administrative Assistant - Executive Assistant for a permanent vacancy for our Commercial Management located in Madrid.

WHAT WILL YOU DO IN YOUR DAY-TO-DAY?

  • Calendar management, organization of meetings and events, drafting of internal and external communications, assistance to workers, executives, department and unit managers, suppliers, external organizations, organization of the management's digital archive, management and organization of the management's email, preparation of reports, work for the preparation of the annual budget, preparation and processing of budgetary reserves and provisions, and other tasks inherent to the position.

WHAT DO WE NEED FROM YOU? (Requirements)

  • Minimum qualification: Higher Vocational Training degree related to administrative functions / secretarial duties.
  • Complementary training related to the functions of the position to be filled: time management, communication, customer service, protocol, public relations,
  • Knowledge of the handling (advanced level) of the suite of applications that integrate the Microsoft Office package, especially Word, Excel and Outlook.
  • Availability to travel including weekends.
  • Driver's license.
  • Knowledge of the English language (level C).

REQUIRED COMPETENCIES:

  • Organizational Skills:
  • Time management: Ability to plan and prioritize tasks, coordinate calendars and agendas, and organize multiple commitments without losing sight of deadlines.
  • Multitasking: Ability to handle several tasks at once without neglecting quality and precision in each one.
  • Attention to detail: Being precise in the preparation of documents, reports, and in the management of information.
  • Effective Communication:
  • Written communication: Good ability to draft emails, reports, and other corporate documents in a clear and professional manner.
  • Verbal communication: Ability to interact effectively, ensuring that information is transmitted accurately.
  • Interpersonal skill: Ability to relate to people of different hierarchical levels, maintaining a professional and diplomatic attitude.
  • Teamwork.
  • Problem-Solving Capacity:
  • Critical thinking: Ability to identify problems or unforeseen situations and seek fast and effective solutions.
  • Decision making: Being able to make decisions under pressure, maintaining calm and appropriate judgment in urgent situations.
  • Handling of Technological Tools:
  • Management software and AI: Familiarity with productivity and AI tools to organize tasks, projects and communications.
  • Information technology: Basic knowledge in the handling of information systems and collaborative platforms (such as Zoom or Microsoft Teams).
  • Discretion and Confidentiality:
  • Confidentiality: Ability to manage sensitive and high-level management information, maintaining discretion and professionalism at all times.
  • Professional ethics: Being upright and maintaining high ethical standards in the management of information and in dealings with third parties.
  • Adaptability and Flexibility:
  • Adaptability: Being flexible in the face of changes in the business environment or in the company's priorities.
  • Availability: Having the willingness to attend to unforeseen events or requirements outside of regular hours if the situation demands it.
  • Proactivity and Autonomy:
  • Initiative: Anticipating the needs of management, seeking solutions and proposing improvements in administrative processes.
  • Autonomy: Ability to work independently, making decisions when necessary without depending on constant supervision.

WHAT DO WE OFFER YOU?

  • Permanent contract.
  • Full-time 36 h/week, goodbye to 40 hours/week!. Availability and flexibility in morning and afternoon shifts.
  • Competitive salary of +18,000 euros gross/year, and after 2 years, move to senior category with a salary of +/- 24,000 euros gross/year with a monthly supplement of 850 euros gross.
  • 24 working days of vacation + 6 days of personal business days.
  • Annual grants for individual training, we want you to keep growing!
  • ONCE Card: We offer exclusive discounts.
  • Financial aid for the birth of children or adoption.
  • We offer opportunities for anyone to participate in volunteer activities and contribute to the well-being of the community.
  • ONCEInnova; We have an innovation and entrepreneurship unit, where any employee can propose and be part of intrapreneurship and innovation projects at ONCE. You have the opportunity to join a supportive, social and committed Organization, OF PEOPLE AND FOR PEOPLE, aware of its responsibility to society, which will accompany you in the onboarding process and offer you professional growth opportunities.

You decide how far to go!