Join us on our journey to a smart and sustainable energy future!
We are seeking a proactive and driven Junior Portfolio Manager in Munich. You will support our battery energy storage system (BESS) portfolio, managing key client relationships and creating value through insight, connection, and innovation to drive customer success and growth.
Location: Munich, Germany
Employment Type: Full-Time, indefinite term
Salary Range: € 55.000 - 70.000 per year gross
Working Mode: Office first set-up
Language Requirement: At least C1 Level English and German
Ideal Starting Date: October 2026
As a Junior Portfolio Manager, you will:
Create a customer experience that sets us apart from competition and increases customer satisfaction
Become the sparring partner of our clients that understands client priorities and feeds this into Entrix
Continuously showcase the exceptional value Entrix delivers to customers and jointly develop towards our vision
Help customers stay up to date on market changes and strategic opportunities
Oversee the relationship between Entrix and a specific set of customers to ensure a professional and synchronized communication
Act as the first point of contact for the customer for special requests and sparring for strategic questions on their existing and upcoming BESS assets
Collaborate with cross-functional teams to further professionalize and improve the Portfolio Management function
Support the Portfolio Management team in preparation of key customer touchpoints and process improvements
We’re looking for someone who is deeply proactive - someone who doesn’t just identify problems but owns them, and is energized by bringing clarity and progress to complexity.
Mandatory Requirements
A degree or equivalent in Business, Economics or Engineering
Excellent problem-solving skills, clear sense of ownership and a proactive mindset
High willingness to quickly learn–energy asset performance metrics, grid regulations, and trading frameworks
Strong organizational and communication abilities
Comfortable working with data (Excel required; Python/SQL is a plus)
Openness to travel to the client and attend regular events (such as fairs and conferences)
Fluency in German and English (C1 or above)
Skills to Set You Apart
1-2 years of experience in customer-facing roles (e.g. Sales, Project Management, Key Account Management) in the German energy sector
Hands-on experience working with cross-functional teams especially with software engineers and data scientists
Comfortable handling difficult conversations, managing urgent client concerns, and balancing strategic priorities under tight timelines
This role may not be a fit for you if…
You prefer highly repetitive tasks without analytical depth
You are uncomfortable working with numbers, systems, and data
You are not comfortable working in a fast paced environment
You prefer to work alone and avoid human interaction
We are committed to diversity - of all backgrounds and experiences. You don’t need 100% of the preferred qualifications to add incredible value to our team. If you’re passionate about what you could accomplish here, we’d love to hear from you.
Virtual Share Options: We offer virtual share options to all our employees
Professional Development: Annual development budget of 3,000 € for coachings, training, books, etc.
Health & Sport Subsidy: Company subsidised sports facilities membership
Jobticket benefit with salary conversion
Lunch/Dinner Allowance Vouchers: Allowance for meals on working days as digital meal vouchers
Work Equipment: Mac Book or Windows Laptop and ergonomic workplace
Regular Team Events: Knowledge Sessions, Afterwork, Sports, Off-sites, etc.
Anton Müllner - Portfolio Management Director - LinkedIn
Hi there!
My name is Anton, and I’m the Lead of the Portfolio Management function at Entrix. Together with my team, I’m responsible for all of our existing customers, creating an exceptional experience for them - from regular interactions about the latest trading performance to sparring about the next BESS asset to be developed jointly. We’re excited to grow and would love to see your application!
What drives me is the high level of responsibility, joint excitement and the trust that our customers place in us. The professionalism and personal connection that can develop between Entrix and our customers is what excites me. At Entrix, Portfolio Management is responsible for all customers that generate revenue — our communication and actions have a true impact on the success of our partnerships and both of our companies.
I believe in extreme ownership, clear responsibility, and having each other's back. A growth mindset, trust, integrity and open communications are the principles I lead by. My goal is to create a team where everyone feels empowered to develop and thrive.
If you’re passionate about driving meaningful change in the energy space and contribute to our joint success in a dynamic environment, we’d be thrilled to have you on board.
Let’s make the energy transition real—together.
Best regards,
Anton
If you have any questions, feel free to send us an email to
[email protected].
We are looking forward to receiving your application!
Beyond AI-powered trading, Entrix provides innovative solutions for long-term revenue security and grid-supportive battery operation. With our full-service package, we support customers throughout every project phase – from technical design and integration, to continuous optimization, all the way to 24/7 operational support. That includes adapting to changing market conditions and unlocking new revenue opportunities.
With more than 2.3 GW and 38 battery storage assets under contract, Entrix is active in Germany, Poland, Italy, Spain, and Portugal, with offices in Munich, Warsaw, Milan, and Madrid. Since 2022, Entrix has been pioneering battery optimization in Germany by managing one of the country’s first large-scale storage projects – and is now the trusted partner of leading infrastructure players such as Encavis, MEAG (Munich Re), as well as a wide range of local utilities.
