WORKING STUDENT (M/F/D) MECHATRONICS/MECHANICAL ENGINEER (20H/WEEK)

Theion Gmbh

Berlin permanent

Posted: March 24, 2026

Required Skills

Job Description

Your mission:
As a Mechatronics/Mechanical Engineer in our R&D team, your mission is to support the design, prototyping, and hands-on development of innovative battery manufacturing solutions. You will play an important role in advancing our process development by combining CAD modelling, 3D printing, and hands-on mechanical/electrical skills. This position offers a unique opportunity to contribute to the engineering of next-generation battery manufacturing, working closely with an international and technology-driven team to support our journey. We are looking forward to meeting a self-motivated, reliable team member with strong attention to detail and a proactive problem-solving approach, who can thrive in a collaborative, fast-paced start-up environment.

Your tasks:
• Design and modify 3D CAD models for manufacturing prototypes, machines, and fixtures.
• Use of 3D printing technologies (FDM, SLA/DLP) and basic machining tools, including drilling and milling
• Cable assembly, routing, dimensioning, and crimping
• Select, purchase, and dimension automation components for motors, sensors, pneumatic actuators, and related systems.
• Participate in hands-on execution by assembling and commissioning prototypes and assisting with testing setups to evaluate mechanical functionality and design robustness.
• Document designs, test setups, and findings to support future development and enhance design iterations.

Your profile:
Absolute Must-Haves:
• Currently enrolled in a degree in Mechatronics or a related field
• Proficient in CAD modelling, bonus point if you have experience in Autodesk Inventor
• Competence in hands-on mechanical skills in basic machining for prototype assembly and testing
• Fluent in speaking English – our company language is English, incl. all the internal communication and meetings.

Good-to-Haves:
• Experience with 3D printing and rapid prototyping methods.
• Experience in pneumatic systems, fluid flow control, and process automation is a valuable plus.
• Experience in electrical cable assembly and cable routing/dimensioning/crimping, etc.

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