Nanofabrication Process Engineer

Your missionRole SummaryWe are hiring a Nanofabrication Process Engineer to lead hands-on process development for our photonic modulators. This role requires deep semiconductor manufacturing expertise, flexibility to adapt quickly, and close collaboration with technicians and engineers. You will drive nanofabrication efforts in-house while also ensuring that internal processes are aligned and integratable with external foundry runs.Key ResponsibilitiesPlan, execute, qualify, and troubleshoot nanofabrication processes in the cleanroom, including lithography, etching, thin-film deposition and characterization.Perform hands-on troubleshooting and root cause analysis of process deviations, driving solutions for yield and performance improvements.Develop clear, reproducible process documentation and specifications suitable for handover to external partners, foundries, or internal prototyping linesExecute and manage related projects, ensuring timely delivery and alignment with technical and business objectives.Your profileRequired QualificationsExtensive technical experience in lithography, dry/wet etching, thin-film deposition, and metrology.Comfortable collaborating with technicians in a shared lab environment on a daily basis and with technicians and engineers along the entire value chain.Proven ability to take a process from development to a reproducible handover.Strong problem-solving skills and willingness to pivot or iterate quickly based on results and evolving project needs.Preferred QualificationsDemonstrated experience with at least one full process flow from development through to prototyping or pilot production.Experience developing fabrication processes for photonic or semiconductor devices.Familiarity with design-for-manufacturability (DFM) in photonic ICs.Prior experience working in a startup or small R&D team environment.German is a plusWhy us?At Polariton, you will join a pioneering company leading the development of photonic integrated circuits, an emerging technology shaping the future of ultra-fast communications.We offer the structure and focus of a high-performance team, combined with the flexibility to work autonomously and take initiative. Our flat hierarchy and short decision-making cycles mean your contributions will be noticed and valued from day one. As we scale, so do the opportunities—for learning, growth, and career progression.If you are looking for a role where your technical skills can drive tangible results, and where you can help shape both processes and products in a fast-moving deep-tech environment, Polariton offers a unique and rewarding next step.About UsPolariton Technologies is at the forefront of revolutionizing optical connectivity, providing the world's fastest, smallest, and most energy-efficient photonic integrated circuits (PICs) to leaders in academia and industry. Our mission is to overcome existing technology limitations and empower our adopters to address the next frontier of photonic challenges.Born out of ETH Zurich in 2019, we now have a team of over 20 amazing professionals from different backgrounds and 15 different nationalities, working by our values of Teamwork and Collaboration, Curiosity and Continuous Learning and Clear and Effective Communication.