Battery & Testing Technician (m/f/d) - EFT Mobility AG

This position is based at our subsidiary , located in the center of Munich. You can find more information about EFT Mobility AG .

At EFT Mobility , we are redefining the future of clean, high-performance autonomous flight with next-generation electric power systems tailored for Unmanned Aerial Vehicles (UAVs). Founded in 2019 in Munich by industry veterans from Tesla, BMW, and Siemens, our agile tech company merges deep-rooted expertise with a bold vision for innovation.

We develop batteries, chargers, and power distribution systems, specifically optimized for demanding UAV applications. Our focus is on delivering solutions that achieve industry-leading flight times, power delivery, and reliability. Operating in a fast-paced, startup environment, our highly skilled team thrives on short development cycles, turning groundbreaking ideas into deployed solutions.

We are looking for a highly skilled and motivated Battery and Testing Technician to join our engineering team. This hands-on role is critical to the development and validation of our next-generation electronic components and battery systems. The ideal candidate will be adept at both intricate electronics work and practical mechanical assembly, playing a key role in bringing prototypes from design to reality.

What is your Day-to-Day Mission:

Battery System Assembly:

● Assist in the assembly of small-scale battery prototypes and test modules, focusing on precision and safety protocols.

Electronics Prototyping and Rework:

● Perform high-quality soldering (SMT and through-hole) for circuit board assembly, modification, and rework.

● Design and build custom wiring harnesses , cable assemblies, and test fixtures.

● Assemble and integrate electronic components into functional prototypes.

Test Setup Development:

● Build, wire, and maintain complex test setups and validation rigs for battery management systems (BMS), sensors, and power electronics.

● Integrate and calibrate various sensors (e.g., temperature, current, voltage) into test environments.

● Assemble mechanical components and enclosures to complete test setups.

Mechanical and Assembly Tasks:

● Utilize and maintain 3D printing equipment for creating custom jigs, fixtures, and prototype parts.

● Perform general mechanical assembly tasks, including drilling, tapping, and fitting components.

● Handle and apply various adhesives and potting compounds correctly for electronic and mechanical assemblies.

Documentation and Maintenance:

● Maintain an organized and safe lab environment, including inventory of components and tools.

● Document assembly procedures, build logs, and modifications clearly and accurately

What you bring to the team:

• Proven experience as an Electronics Technician, Test Technician, or similar role.

• Expert-level soldering skills (SMT and through-hole rework) and experience building custom wire harnesses and cable assemblies.

• Solid practical knowledge of electronics, including reading schematics and wiring diagrams.

• Demonstrated experience with sensor integration and calibration.

• Hands-on experience with general mechanical tasks, including component assembly and using basic shop tools.

• Experience operating and maintaining 3D printers (e.g., FDM, SLA) and processing printed parts.

• Experience with adhesive handling and best practices for bonding materials and potting electronics.

• Familiarity with the assembly and safe handling of Lithium-Ion battery systems .

• Strong attention to detail, organizational skills, and a commitment to safety and quality.

  Bonus Skills

  Experience with test equipment such as oscilloscopes, multimeters, power supplies, and data loggers.

  Basic programming/scripting skills (e.g., Python, Arduino) for data acquisition or simple test automation.

  Familiarity with high-voltage or high-power electronics systems.

  Your Benefits:

• Work with purpose: Your contribution to EFT Mobility will help to accelerate the world’s transition to sustainable mobility.

• Young and Dynamic Community: Pursue a career you love as part of a young, dynamic, and fast-paced team with flat structures, quick communication, and a ton of daily learnings.

• Develop your career: Join us early on our mission and you will have the opportunity to develop into a leading position in our growing company and the industry. We offer an onboarding program for an ideal start, as well as, clear and personalized development paths.

• Vacation Days: Balance your professional and personal time with generous paid time off (30 days of paid leave a year) for full-time employees.

• Work-life Balance: We aim to provide you with an optimal balance between work and personal life through flexible work options. With your manager's approval, you can enjoy remote work days if your role allows it.

• Lunch Benefit: We promote healthy eating and the well-being of our employees with a monthly lunch budget.

• Mobility Benefit: With our mobility budget, we pay your “Germany Ticket” for work or personal use monthly.

• Language Courses: German isn’t your mother tongue? We sponsor German courses for you to quickly learn and integrate even more.