Lab Engineer Automation (TwinCAT / PLC)

automation engineering! Our client is a globally leading technology company headquartered in Switzerland and a recognized innovator in the semiconductor industry. With a strong focus on research, development, and engineering excellence, the company develops cutting-edge solutions that shape the future of semiconductor manufacturing. To strengthen its R&D organization, we are looking for a motivated and experienced professional to join the team in the Canton of St. Gallen as a

Lab Engineer Automation (TwinCAT / PLC) 

your responsibilities In this exciting role, you will design, develop, and continuously improve automated testing environments supporting innovative R&D projects. You will be responsible for developing and enhancing PLC-based control systems, ensuring they align with product and technology roadmaps while delivering reliable and high-quality system solutions. Working closely with multidisciplinary development, quality, and mechatronics teams, you will program PLC applications using the TwinCAT (Beckhoff) environment with Structured Text (ST), integrate sensors, actuators, I/O modules, and communication interfaces, and contribute to the realization of complex engineering systems. You will also perform verification and validation testing in accordance with internal, customer, and industry standards, maintain comprehensive technical documentation throughout all project phases, and provide technical support during product commissioning as well as second-level customer support.

your profile You have completed a technical qualification as an Automation Technician (EFZ or equivalent) and ideally hold an advanced degree in Systems Engineering, Mechatronics, Robotics, Electrical Engineering, or a related field. You bring at least five years of hands-on experience developing software with TwinCAT (Beckhoff) using Structured Text (ST) and have proven expertise in the development and integration of PLC-based control systems. You are familiar with electrical circuit diagrams and hardware design and have experience with verification and validation testing in an engineering environment. You combine strong analytical and problem-solving skills with a proactive, hands-on mindset and a structured approach to engineering challenges. You communicate fluently in English, while German language skills and experience supporting customer commissioning are considered an advantage.

what we offer This is an opportunity to join a global technology leader at the forefront of semiconductor innovation and work in a state-of-the-art R&D environment with modern laboratory and testing facilities. You will become part of an interdisciplinary engineering team where collaboration, innovation, and technical excellence are highly valued. In addition to exciting and challenging projects, you can expect an attractive compensation package, outstanding development opportunities, and the chance to make a meaningful contribution to next-generation technologies in one of the world's most advanced high-tech industries.