Technical Assistant for Electronics

Your missionDo you have a solid technical background and enjoy working with electronics, equipment and hands-on repairs?At Zellerfeld, we are working on the next generation of 3D printing systems, and we 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 position, you will be responsible for ensuring the proper function of our machines and electronics. This includes assembly, repair and documentation of components that are essential for the reliability and scalability of our in-house production technology.Your profileYour ResponsibilitiesPerform troubleshooting, repair and preventive maintenance on 3D printers and related technical equipmentAssemble and support prototyping of electronic circuit boards (SMD and THT)Operate and maintain soldering stations, pick-and-place machines and reflow ovensAssist in wiring and installation of cabling systems for prototypes and production setupsMaintain accurate documentation, including repair logs, schematics and wiring diagramsOrganize tools, components and workspaces in accordance with safety and quality standardsUse engineering tools and systems such as AutoCAD Electrical, EPLAN or CMMS platforms to support workflow and documentationYour Profile3+ years of experience in electronics maintenance or technical supportSolid understanding of electronic components, wiring and PCB assemblyPractical experience with soldering, diagnostics and repair of electronic assembliesFamiliarity with electronic production tools such as reflow ovens, pick-and-place systems and soldering equipmentAbility to work with suppliers or cross-functional teams in a technical production environmentStructured working style, attention to detail and a high sense of responsibilityFluent in English, both written and spoken; German is a plusWhy us?Why us?Join UsAt 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. If you want to work in a place where ideas turn into hardware fast, and where precision meets creativity, this is your team.Team and Work-LifeAt 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 UsZellerfeld is building the future of custom footwear using the world’s first fully 3D-printed shoe production platform. Our mission: printed shoes on every foot. With strong backing from industry leaders and creatives, we’re turning bold ideas into breakthrough products.DiversityWe value diverse perspectives and unconventional paths. What matters most is your passion, your know-how, and your ability to deliver impact.About usZellerfeld is revolutionizing the footwear industry with the world’s first 3D-printing technology for fully customizable shoes. Our goal is simple: printed shoes on every foot. We’re a passionate team of engineers, designers, and innovators, questioning the status quo and disrupting traditional manufacturing processes. Backed by founders, influencers, and celebrities who believe in our vision, we’re committed to making a lasting, positive impact—not just on the footwear industry, but on the world.