Join AQUABATTERY today, a pioneering climate tech startup with a mission to commercialise a affordable, safe and sustainable long duration energy storage (LDES) based on saltwater. Our innovative flow battery technology offers an LDES solution without relying on critical or toxic raw materials.With fresh funding secured and our first commercial product on the horizon, this is an exciting time to become part of our growing team and contribute to building a cleaner, more resilient energy future.You will play a key role in shaping the future of our technology by leading the development of core systems like Battery Management, power electronics, and controls. This is a unique opportunity to combine hands-on work with team leadership—driving innovation while building and mentoring a growing team of talented engineers.Working at the intersection of hardware, software, and electrochemistry, you’ll collaborate with diverse experts to bring bold ideas to life. Your leadership will be essential in transforming complex challenges into reliable, high-performing solutions that move us toward on the pathway to commercialisation.

What you’ll be doing

• System Design: Lead architecture and development of electrical systems incl. BMS, power electronics, and controls.
• Integration: Ensure seamless hardware-software-mechanical integration and spec translation.
• Testing & Compliance: Create test plans, validate systems, ensure safety and quality compliance.
• BMS Development: Implement features like cell balancing, SoC/SoH monitoring, and fault detection.
• Controls & Hardware: Develop control logic, integrate sensors/actuators with embedded platforms.
• Collaboration: Work cross-functionally to support prototyping and aligned system integration.
• Team Leadership: Mentor engineers, lead reviews, and foster a high-performance team culture.
• Project Delivery: Manage timelines, budgets, and technical reporting across stakeholders.

Function requirements

We expect from you:

• Bachelor’s or Master’s degree in Electrical Engineering or a related field.
• Extensive experience in electrical system design and development, preferably in battery systems or power electronics.
• Proven ability to lead and mentor engineering teams.
• Strong understanding of BMS, power electronics, and control systems.
• Proficiency in electrical circuit design and analysis tools.
• Excellent problem-solving, analytical, and communication skills.
• Experience with project management and cross-functional collaboration.
• Experience with industrial communication protocols such as CAN and Modbus.

The following is considered a plus:

• Experience in the energy storage industry.
• Knowledge of electrochemical redox flow battery systems.
• Experience with high power systems.

Why AQUABATTERY?

• Fast-growing, impact-driven climate tech startup backed by investor;
• Multicultural, collaborative work environment;
• Competitive salary plus stock appreciation right (SARs);
• Work-life balance, including 25 vacation days and flexible work;
• Green pension scheme (50% company-covered) & collective health insurance discount;
• Company bike for commuting;
• Regular team events and opportunities to shape the future of clean energy.

Interested? You can apply via the button below!