PLC Programmer

• 29 August 2026 • 100% • Indefinite duration • Münsingen We ensure that temperature and climate are adequate - for humans and nature. As an independent Swiss family-managed company with more than 300 employees, we have been committed since 1981 to renewable energies and energy-relevant system solutions that reliably cool or heat buildings. With our heat pumps, air conditioners and refrigeration machines, we make a concrete contribution every day to a sustainable energy future - supported by a service that accompanies in the long term. People who take on responsibility, participate actively, make courageous decisions and make a difference matter to us. Personal, honest and authentic - that is what CTA represents. PLC Programmer # For our Climate/Refrigeration sector, we are looking for Your field of action • Programming of PLC controllers (Codesys 3.5) with visualization as well as BUS communications. • Development and maintenance of modular software libraries • Writing and continuous updating of technical documentation • Close exchange and collaboration with the PLC software team, planning and service • Commissioning of heat pumps, demanding climate and refrigeration installations • Interventions at client sites throughout Switzerland • Support for the sales department in the development of innovative software concepts • Implementation of internal training for employees Your background • Completed training as an automation technician or ES technician in the field of automation • Practical experience in PLC programming, ideally with Codesys 3.5 • Mastery of the ST programming language according to IEC 61131 • Familiarity with modern software architectures, notably OOP (object-oriented programming) • Autonomous, structured and reliable work • Language skills: fluent German orally and in writing An asset • Basic knowledge of Linux Yocto systems • In-depth knowledge in building automation, particularly in the fields of refrigeration and thermal technology • Fluent French orally and in writing, English good reading and comprehension skills Your perspective You will find interesting work content, good development perspectives as well as attractive employment conditions with us. As a forward-looking and innovative company with energy-relevant products, we are "in harmony with nature". Our employees are close to our hearts. We maintain a collegial and simple relationship between colleagues in a family environment. We are ideally accessible by public transport and by car. Free parking spaces are at your disposal. Are you interested in an exciting challenge? Apply today. We look forward to receiving your complete application dossier. Franziska Teyssier HR Business Partner Tél. 0041 31 720 24 16