BESS Asset manager | Full-time – Part time | Hamburg (or Munich) office - Hybrid
About Return
Return is the leading European independent energy storage provider, committed to revolutionizing the energy sector. Return has offices in Hamburg, Munich, Amsterdam (HQ), Madrid and Brussels. Return offers innovative, sustainable solutions to store and intelligently manage energy, ensuring power is used efficiently when and where it’s needed most. With a growing presence across Europe, Return is at the forefront of the energy transition, integrating large-scale battery energy storage systems (BESS) to support grid stability, renewable energy integration, and Europe's net-zero goals. Driven by a team of experts, Return aims to provide reliable energy storage that powers the future of clean energy.
To support our continued growth, we are looking for a Germany-based Battery Energy Storage System (BESS) Asset Manager to join our asset service team. The team's goal is to provide our customers with reliable, predictable and efficient storage capacity. This means having our operational processes running smoothly and learning from our assets at the same time. Answering questions such as: what technology performs best for our use case? How can we run the batteries in the most efficient way? What is our contracting strategy to achieve optimal performance with a lean team?
Your Role
As Asset Manager, you work on a variety of subjects, ranging from rapidly scaling up our organization and optimizing working processes, and projects to determine the best maintenance strategy for our BESS locations, to optimizing battery usage patterns. Major responsibilities include:
Lead asset performance, and reliability optimization projects
Contract and supplier management, including service suppliers, grid operator and permit enforcer
Play a pivoting role in bringing new locations online
Build the foundation of our asset management team in Germany
Represent the asset management team in projects in their development and contracting phase
Be responsible for (a part of) stakeholder communication
Contribute to the day-to-day operations of our assets
Preferably Hamburg based. We also have an office in Munich.
Your profile
Few persons will fit a profile completely. Please do get in touch when you think you are the right person for the job, but your profile does not fully match the profile description.
General profile
MSc or BSc degree in engineering, economics, renewable energy, or related field
5+ years of working experience
Strong analytical skills
Proactive, curious, and eager to learn
Good communication and interpersonal skills in different levels and cultures
Interest in renewable energy and energy storage
Fluent in German and English
Nice to Haves
Familiarity with BESS, grid-connected assets, and/or energy markets
Understanding of technical, legal, or financial aspects of energy assets
Experience in asset management of physical assets (hardware)
Experience with data analysis (e.g. in Python, Matlab, SQL)
Proficiency in Spanish
Our Offer
A unique opportunity to grow with a mission-driven company
Exposure to cutting-edge energy technologies and projects
Supportive and collaborative team environment
Professional development opportunities
Regular optional team events
Competitive salary and benefits package
Application process
Our hiring process is swift but thorough:
Introductory call,
Face-to-face meeting with two or more team members,
Brief call with senior management,
Call to discuss practical details such as financials.
No recruiting
We do not work with recruitment agencies or external recruiters for our hiring process. Applications should be submitted directly through our careers page.

Return is the leading European independent energy storage provider.
Focused on shaping Europe’s energy infrastructure, Return works with customers and partners to deliver faster, smarter, and more efficient energy storage and distribution solutions, driving the energy transition across the continent.
Our Energy Storage platform:
• SemperPower - Energy storage, the Netherlands
www.semperpower.com
• Lion Storage - Energy storage, the Netherlands
www.lion-storage.com
• J&P Batterie Projekte - Energy storage, Germany
www.jp-batterie.de
Our Generation & Distribution platforms and projects:
• Ekhi - Commercial & Industrial solar developer, Spain
www.ekhi.energy
• ErasmoPower2X - Utility-scale solar / Hydrogen, Spain
www.power2x.com/erasmop2x/
• CargaTuCoche - EV-charging, Spain
www.cargatucoche.es
Our Carbon platform:
• Return Carbon - CCUS projects, the Netherlands
www.returncarbon.nl