Are you a proactive and driven individual ready to make an impact in a fast-growing company?
Sierra DC, a dynamic startup based in Marbella, Spain, is looking for an Executive Assistant to support our founders and leadership team during an exciting growth phase.
About Sierra DC Sierra DC designs, builds, and operates cutting-edge data centers.
Founded by three experienced entrepreneurs with a strong track record, they are on an ambitious journey to secure institutional investments and expand across Spain and Europe.
The company culture is entrepreneurial, innovative, and collaborative, offering unique growth opportunities for those who want to join early.
Your Role As an Executive Assistant, you will play a pivotal role in ensuring the smooth day-to-day operations of the company.
Supporting our three founders—and later the CEO—you will be the organizational backbone, helping Sierra DC achieve its growth objectives.
Key Responsibilities: Strategic Support Assist with project management, tracking progress, and following up on key initiatives.
Conduct research and gather data to support decision-making processes.
Participate in strategic meetings, documenting and tracking action items.
Communication and Coordination Act as the primary point of contact between leadership and internal/external stakeholders.
Handle emails and phone calls, ensuring smooth communication flows.
Facilitate the sharing of information and ensure critical deadlines are met.
Administrative Support Manage calendars, schedule meetings, and resolve conflicts efficiently.
Organize and prepare for key meetings, including taking notes and managing follow-ups.
Coordinate travel arrangements, including booking flights, hotels, and transportation.
Prepare reports, presentations, and documentation for internal and external use.
Other Duties Manage invoices, expense reports, and basic financial administration.
Be ready to adapt and take on ad hoc responsibilities as the company grows.
Requirements At least 3 years of experience in a qualified administrative role, such as Executive Assistant or a similar position.
Proven experience with analytical tasks , such as preparing reports, conducting research, or supporting decision-making processes.
Proven proficiency in PowerPoint and Excel .
Fluency in both English and Spanish (written and spoken).
A proactive, solution-oriented mindset with exceptional organizational skills.
Ability to work on-site in our Marbella office most days of the week.
Why Join Sierra DC?
Work closely with three successful entrepreneurs, gaining insights into building and scaling a business.
Be a central figure in an ambitious company with significant growth potential.
Enjoy professional development opportunities as Sierra DC expands across Europe.