Skeleton Technologies, a Global Cleantech 100 company, is revolutionizing energy storage with their supercapacitor and SuperBattery technologies. As a Senior Mechanical Engineer, you'll join their Product Development department in Lappeenranta, Finland. The role combines mechanical platform development, customer project expertise, and mentorship opportunities. The company specializes in high-power energy storage solutions for transportation, grid, automotive, and industrial applications, using patented curved graphene technology. With locations across Estonia, Germany, Finland, and planned expansion to France, they're building the world's largest supercapacitor factory. The position offers a collaborative environment with flexible working arrangements, professional development opportunities, and a strong focus on work-life balance. Their mission is clear: helping companies reduce CO2 emissions and save energy while working with major global industries. This role is perfect for experienced engineers passionate about sustainable technology and eager to contribute to a net-zero future.