Location

Madrid, Spain; Bilbao, Spain About Us

Zelestra is a client-focused, multi‑technology, general renewable energy Spanish company, committed to doing things the right way.

Our purpose is clear: to change the world by making decarbonization a reality for our partners. We are a vertically integrated company, specialized in the development, commercialization, construction, and operation of large‑scale renewable energy projects (solar, BESS, wind). Zelestra is backed by more than two decades of experience, and with a strong presence in key growth markets across the U.S. and Europe and supported by EQT, one of the world’s leading investment funds, with €270 billion in total assets under management.

Internship activities During the internship, the student will join the M&A; team with a strong learning-oriented approach, actively participating in activities such as market research, opportunity analysis, and the preparation of presentations, always under the guidance and supervision of the team. The Intern will gain exposure to real M&A; processes by assisting with ongoing transactions (live deals), developing an understanding of the different stages of an M&A; transaction. In addition, the Intern will contribute to internal initiatives related to the implementation of artificial intelligence tools, including reporting automation, database enhancement, and opportunity pipeline tracking.

The internship is designed to develop analytical, financial,



and technological skills within a dynamic M&A; environment. Internship requirements

Desired education Bachelor's Degree in Business Administration, Economics, Finance or a related field.

Master’s degree in Finance, Corporate Finance, M&A; or Renewable Energy (currently studying) is a plus.

Technical Knowledge Native

Spanish and advanced English (C1)

Advanced Microsoft Excel and Microsoft PowerPoint Soft Skills Proactivity and ownership

Teamwork and collaboration

Adaptability and learning agility Previous experience No previous professional experience is required. We are looking for motivated students who are eager to learn and start their careers in the renewable energy sector.

Internship conditions Internship Agreement: Availability to sign a university internship agreement (mandatory)

Start Date: September/October 2026

Working hours: Full-time (40 hours per week), although part-time availability may be considered

Location: 100% office-based at Madrid Office (Paseo Recoletos , 37) or at Bilbao Office (Alameda Urquijo , 13) Duration: Maximum duration permitted by the candidate’s academic program.

Remuneration: Paid Internship. Zelestra celebrates the diversity of thought and experience that comes from a variety of backgrounds, including, amongst others, gender, age, ethnicity… Our mission is to contribute to a fairer and more equitable society. JR 3267

's co-build a carbon-free tomorrow! Visit us at zelestra.energy

📌 M&A Intern (Madrid)
🏢 Zelestra
📍 Madrid