Senior Welding Engineer (m/f/x)

Skeleton Technologies is a Global Cleantech 100 company and a technology leader in high power energy storage for transportation, grid, automotive, and industrial applications.

For us, developing and producing the best energy storage solutions is a means to an end: helping companies to reduce CO2 emissions and save energy.

We work with some of the largest companies in the world from automotive and industrial OEMs to truck fleet operators and aerospace prime contractors. Our products decrease CO2 emissions and fuel consumption, improve power quality, and empower wider electrification of the biggest industries globally.

Our supercapacitor and SuperBattery energy storage technologies, based on patented curved graphene, represent the biggest technological advancement in the industry in the last 20 years and the use of this innovative material provides our products with an unparalleled advantage in power and energy density.

Skeleton Technologies is located in multiple locations: its headquarters in Tallinn (Estonia), manufacturing facilities in Markranstädt (Germany) and Varkaus (Finland), materials development in Bitterfeld-Wolfen, and several additional locations in Finland (Helsinki and Lappeenranta), as well as its first people in Toulouse (France).

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• Lead the development and optimisation of laser welding processes for electrode connections, tab welding, and casing assemblies.
• Design, test, and implement robust and scalable joining solutions for both cell-level and module-level production.
• Collaborate with R&D, design engineering, and production teams to define joining strategies and select appropriate technologies.
• Create and validate process parameters, welding schedules, and quality control protocols.
• Conduct root cause analysis and implement corrective actions for welding-related manufacturing issues.
• Evaluate and qualify new welding equipment, automation tools, and joining materials.
• Drive continuous improvement initiatives to increase throughput, reduce defects, and ensure consistent weld quality.
• Ensure compliance with safety, quality, and environmental standards related to welding and joining processes.
• Mentor junior engineers and technicians, providing technical training and guidance.

• Bachelor's or Master's degree in Mechanical Engineering, Materials Science, Welding Engineering, or related field.
• Minimum 5+ years of experience in industrial welding, with a strong focus on laser welding in high-precision applications.
• Proven track record in process development and scaling up welding operations for mass production.
• Hands-on experience with Nd:YAG, fiber laser, or diode laser systems, including optics, beam delivery, and weld monitoring.
• Knowledge of other joining technologies, such as:
  Ultrasonic welding;
  Resistance spot welding;
  Mechanical joining (e.g., riveting, clinching);
  Adhesive bonding (desirable).
• Familiarity with materials commonly used in energy storage, such as aluminum, copper, stainless steel, and various polymers.
• Strong analytical, problem-solving, and project management skills.
• Proficiency in CAD software and data analysis tools.
• Excellent communication skills in English; German language skills are an advantage.

• We offer flexible working hours and sufficient freedom for your own ideas.
• A flat hierarchy culture - fostering our great working atmosphere.
• Use the training budget to expand your knowledge and competencies.
• Helpfulness among colleagues is not just an empty phrase but a practice everyday.
• A motivating opportunity for continuous growth at Skeleton.
• An additional day-off every year for your birthday.
• Use our Edenred Voucher Card for your shopping experience with a top-up every month.
• We offer a company pension scheme for your financial security in the future.
• Be active & participate in our internal sports challenges (SkelFitness).
• We have a pet-friendly office.
• We celebrate our successes with Team Events, Summer & New Year's parties, and other initiatives!

We're not just about energy storage. xbzrezb We're about redefining energy for a net zero future, and we'd love for you to be a part of our journey.