Staefa, Switzerland

Battery Engineer

High reliability, wearing comfort and the empowerment of groundbreaking technologies for hearing functions: This is why we continue to push the performance and the quality of the batteries we use in our hearing devices forward. Do you want to join this mission and be part of our young and innovative Power Management Team?

If yes, this is your opportunity: we are looking for a Battery Engineer to join our R&D Power Management team. In this role, you will drive the development, system integration, and verification of Lithium-ion (Li-ion) and solid state batteries for hearing instruments. You will work hands-on in the battery laboratory, conduct experiments, analyze test data, and contribute to advanced battery modeling and charging strategy optimization. You will be part of product development projects for leading edge hearing devices.

This position provides a unique opportunity to work at the intersection of electrochemistry, modeling, power management, and hardware testing.

More about the role

• Assess different charging strategies, including ageing effects of Li-ion batteries used in hearing instruments applications
• Analyze test data and contribute to the development and refinement of battery lifetime prediction models
• Perform electrochemical characterization, and (optional) post-mortem analysis
• Prepare, execute, and analyze cell performance and verification tests (e.g. verification and validation test)
• Support and expand laboratory tools (e.g. impedance analyzer)
• Develop, debug, and improve MATLAB/Python scripts for data processing, automation, and reporting
• Maintain and calibrate battery test systems and ensure stable operation of lab equipment
• Scout and explore new battery technologies for future product generations
• Document results, prepare reports, and support R&D activities

More about you

• Bachelor’s or Master’s degree in Electrical Engineering, Mechanical Engineering, Materials Science, Physics, Chemistry, or a related field
• Strong interest in Li-ion and solid state batteries, electrochemistry, and power management
• Skilled in MATLAB and Python programming (required)
• Practical, hands-on attitude and ability to work on-site in a laboratory setting
• Independent, structured, and reliable work style
• Strong communication skills and team orientation
• Good spoken and written English skills

What We Offer

• Real-world experience in advanced battery R&D
• Exposure to industry-grade test systems and analytical tools
• Opportunity to contribute to meaningful products improving people’s lives
• A collaborative environment with mentoring from skilled engineers

Talent Acquisition Partner, is looking forward to receiving your complete application via our online job application platform.

For this vacancy only direct applications will be considered.