(Senior) Lab Engineer (m/f/d)

Description

The company connects and manages distributed energy devices at scale, running them as one integrated system in a virtual power plant that trades directly on the electricity market in real time.

The company aims to move 1.5 million households to renewable energy by 2030. It has more than 3,000 employees across over 80 locations worldwide, from Finland to Australia.

This role sits in the Product & Tech team at the Berlin lab, where the work is building and configuring test setups that combine PV systems, batteries, heat pumps, and EV chargers.

Responsibilities

• Plan and run development tests on hardware for an integrated energy control platform.
• Build and configure test benches that simulate single-home setups with PV, battery, heat pump, and EV charger.
• Explore OEM and feature integrations with cross-functional teams, then coordinate and carry out system integration testing.
• Design release tests, coordinate them, and run them.
• Define test KPIs, document procedures and results, and evaluate outcomes.
• Maintain and calibrate test equipment, and provide 3rd-level support.
• Develop and improve lab test software, test automation, methods, and procedures.
• Mentor junior lab engineers on daily work and on their technical and professional growth.

Requirements

• A degree in electrical engineering or mechatronics, plus 4+ years of experience assembling, testing, or maintaining electrical systems, ideally in renewable energy.
• Elektrofachkraft (EFK) qualification and the ability to read electrical schematics and technical documentation.
• Hands-on experience with multimeters, oscilloscopes, and power analyzers.
• Experience working with development teams, support teams, and stakeholders to troubleshoot technical problems.
• A valid driver's license, Class B.
• Strong documentation skills, so you can record and communicate test procedures, results, and best practices.
• Fluent English and German, written and spoken.
• Bonus: familiarity with current AI development tools such as Claude Code, Cursor, and other development tools.

Conditions

Offices in Hamburg, Berlin, or Munich.

The company wants engineers who are imaginative, enthusiastic, and ready to take on new challenges in its mission to bring renewable energy technology to everyone.

You see how your daily work contributes to the energy transition.

Benefits

• Flat hierarchies and short decision-making paths, so you can learn quickly and take part at different levels.
• Work in a dynamic team whose members regularly get things done and move the company forward.
• Job bike leasing for city or e-bikes.
• Access to the EGYM Wellpass for wellbeing.