Technical Assistant for Electronics

Overview

Be among the first 25 applicants. Your mission: Do you have a solid technical background and enjoy working with electronics, equipment and hands-on repairs? At Zellerfeld, we are developing the next generation of 3D printing systems and are looking for a Technical Assistant – Electronics & Maintenance to support the development and maintenance of our hardware infrastructure. Your work will focus on printed circuit boards (PCBs), cabling and equipment maintenance within our electronics and prototyping environment. In this role, you will ensure the proper function of our machines and electronics, including assembly, repair and documentation of components essential for the reliability and scalability of our in-house production technology.

Your profile

Your Responsibilities

• Perform troubleshooting, repair and preventive maintenance on 3D printers and related technical equipment
• Assemble and support prototyping of electronic circuit boards (SMD and THT)
• Operate and maintain soldering stations, pick-and-place machines and reflow ovens
• Assist in wiring and installation of cabling systems for prototypes and production setups
• Maintain accurate documentation, including repair logs, schematics and wiring diagrams
• Organize tools, components and workspaces in accordance with safety and quality standards
• Use engineering tools and systems such as AutoCAD Electrical, EPLAN or CMMS platforms to support workflow and documentation

Your Profile

• 3+ years of experience in electronics maintenance or technical support
• Solid understanding of electronic components, wiring and PCB assembly
• Practical experience with soldering, diagnostics and repair of electronic assemblies
• Familiarity with electronic production tools such as reflow ovens, pick-and-place systems and soldering equipment
• Ability to work with suppliers or cross-functional teams in a technical production environment
• Structured working style, attention to detail and a high sense of responsibility
• Fluent in English, both written and spoken; German is a plus

Why us?

Join Us: At Zellerfeld, we design and build our 3D printers entirely in-house—from the smallest mechanical component to custom cables and PCBs. Our hardware team has direct access to advanced prototyping tools including SLS printers, CNC machines and laser cutters, enabling us to move fast, test often and iterate with unmatched speed. This hands-on environment gives you full control over your designs and the opportunity to see them come to life in days, not weeks.

Team and Work-Life

At our Hamburg HQ, you’ll join a diverse, multidisciplinary team of engineers, creators, and entrepreneurs. Our flat hierarchy and collaborative culture ensure your expertise and ideas are always heard. We believe in challenging the norm—and having fun while doing it.

About Us

Zellerfeld is building the future of custom footwear using the world’s first fully 3D-printed shoe production platform. Our mission is printed shoes on every foot. We’re a passionate team of engineers, designers, and innovators, questioning the status quo and disrupting traditional manufacturing processes. We are backed by founders, influencers, and celebrities who believe in our vision and are committed to making a lasting, positive impact.

Diversity

We value diverse perspectives and unconventional paths. What matters most is your passion, your know-how, and your ability to deliver impact.

About the Company

We are revolutionizing the footwear industry with 3D-printing technology for fully customizable shoes with a focus on scalable, in-house production capabilities.

Seniorities and Employment

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Other
• Industries: Retail Apparel and Fashion

Referrals increase your chances of interviewing at Zellerfeld Shoe Company Inc. by 2x.

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