Test Engineer, EOL testing (m/f/x)
Skeleton TechnologiesLappeenranta, South Karelia, Finland
Posted October 6, 2025
Full Time
About the Company
Skeleton Technologies is the world's leading manufacturer of supercapacitors for industrial applications, founded in 2009 in Estonia. We are at the forefront of energy storage innovation, leveraging our patented curved graphene technology to drive advancements across industries and support the transition to a net-zero future. As a leader in deep technology, our solutions power critical sectors such as data centers, grid infrastructure, E-STATCOM, automotive, and heavy transportation. Our SuperBattery and supercapacitor systems are instrumental in reducing CO2 emissions, lowering fuel consumption, and accelerating electrification—all key elements in the global fight against climate change. At Skeleton, we collaborate with some of the world’s most prominent industrial players, including automotive giants, industrial OEMs, truck operators, and aerospace prime contractors. Our mission is to deliver energy storage solutions that not only meet today's needs but also build a sustainable future for generations to come. - Cleantech 100 company - A global team of 300+ energy storage experts - The world's largest supercapacitor factory in Leipzig, Germany, producing over 4 million cells annually Skeleton's energy storage solutions represent the most significant technological advancement in the industry over the past 20 years.
Job Description
Skeleton is seeking a driven Test Engineer for their Advanced Engineering team in Lappeenranta. The role focuses on EOL testing, SOH testing, and cyclic testing, contributing to product validation and verification. This is one of four new roles within the team. The company is dedicated to redefining energy for a net-zero future.
Requirements
- Plan and execute product validation and verification test programs
- Create detailed test plans and comprehensive reports
- Conduct EOL, SOH, and cyclic tests
- Develop and maintain measurement equipment
- Develop and improve test methods and procedures
- Willingness to travel occasionally for external testing
- Strong communication skills in English and Finnish
- Previous experience in similar role or strong motivation to learn
Benefits
- A versatile and responsible role in a skilled and supportive team
- Opportunity to influence product quality and development
- An international working environment with growth opportunities
- Support for professional development