At Tion, we're on a mission to accelerate the transition to a clean energy future, and we’re looking for passionate individuals to join us on this exciting journey.As a portfolio company of EQT, we invest in energy infrastructure, with a growing portfolio of 800+ MW in solar and wind projects. Together, we’re working to become a leading platform for investments in energy transition projects.We’re a dynamic, innovative, and collaborative team that thrives on problem-solving, ownership, passion, and integrity. We’re now looking for a new team member who is eager to shape Tion’s future in the renewable energy sector. Sounds exciting? Become a Tioneer.To learn more about us, visit or connect with us on LinkedIn. Read on to learn more about the role and how you can contribute to Tion’s journey.As Asset Management Assistant & Office Manager you will be responsible for:Asset Management Administration

- Support the processing, tracking and documentation of invoices related to asset operations (e.g. O&M; providers, grid operators, land leases and other service providers)
- Maintain contract registers and structured documentation for operational agreements and asset-related contracts
- Support the administrative management of Guarantees of Origin (GOOs) and related documentation
- Assist with the preparation of shareholder meetings and corporate resolutions for project companies
- Support corporate governance processes and coordinate documentation for asset-holding entities
- Manage registrations and filings on relevant regulatory platforms including: Commercial registers, LEI registrations, ACER / REMIT platforms, Transparency platforms
- Support coordination between Asset Management, Accounting, Legal and external service providers and assist with internal reporting documentation

Office Management & Administrative Support (Spain)

- In addition, you will support the administrative operations of our Madrid office and Spanish holding structure.




- Coordinate day-to-day office management and administrative processes for the Madrid office
- Ensure smooth office operations, office supplies and coordination with building management
- Organize meetings, travel arrangements, and internal events
- Manage incoming and outgoing mail and maintain structured digital and physical filing systems
- Support corporate administration, documentation, invoice processing, and administrative workflows
- Support administration of office access and IT equipment for the Madrid team
- Act as the local administrative contact point between the Madrid office and the wider international team

As an employer, we offer:

- A passionate, collaborative, and international team with flat hierarchies characterized by a strong drive for excellence
- An entrepreneurial and fast-paced work environment that fosters continuous professional and personal development
- The opportunity to have a significant impact and play an integral role in the further build-out of a rapidly growing and highly ambitious company at the forefront of the energy transition backed by a leading private equity and infrastructure investor
- The ability to take over responsibility and work with a high degree of independence to thrive on interdisciplinary challenges
- An attractive and competitive compensation model and other benefits
- A Madrid-based office with modern equipment and adaptable working hours

For this role, ideally, you bring:

- Relevant professional training or degree in business administration or a related field
- 2–5 years of professional experience in asset management support, corporate administration, office management or a similar role
- Interest in renewable energy
- Strong organizational and coordination skills and hands-on mentality
- Comfortable working with digital tools and administrative platforms
- Fluent Spanish and English are required
- German, Polish, Italian or Dutch is a strong advantage

If your profile and ambitions perfectly fit to the Asset Management Assistant role, we consider also hiring you in Frankfurt a.M. or Munich.

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📌 Renewables Asset Management & Office Coordinator (Madrid)
🏢 Talent
📍 Madrid