C++ Software Engineer for LLRF Feedback Control for PETRA IV in Hamburg

For our location in Hamburg we are seeking: # C++ Software Engineer for LLRF Feedback Control for PETRA IV Limited: 2 years | Start: 01.11.2026 | ID: MMA050/2026 | Deadline: 22.09.2026 | Full-time/Part-time | Remote work possible DESY, with more than 2900 employees at its two locations in Hamburg and Zeuthen, is one of the world's leading research centres. Its research focuses on decoding the structure and function of matter, from the smallest particles of the universe to the building blocks of life. In this way, DESY contributes to solving the major questions and urgent challenges facing science, society and industry. With its ultramodern research infrastructure, its interdisciplinary research platforms and its international networks, DESY offers a highly attractive working environment in the fields of science, technology and administration as well as for the education of highly qualified young scientists. The MSK group manages beam feedback, radiofrequency control, specialised diagnostics, and synchronisation systems for DESY's accelerators. We are an international team of technicians, engineers, and scientists who develop, install, and operate complex devices, and embedded systems for the EuXFEL, FLASH, PETRA III, and the upcoming PETRA IV storage ring. With the PETRA IV project, DESY is launching one of the most ambitious and innovative large-scale research projects worldwide. PETRA IV, the most brilliant synchrotron radiation source of the next generation, will be the ultimate 4D X-ray microscope, setting new standards in precision and performance. To implement the project, we are looking for motivated employees who want to get involved in a complex project with international appeal. More information about PETRA IV: [PETRA IV](https://desy.de/microsites/petra-4/content/index_eng.html) ### About your role: - Development of software concepts and software architecture, including exception handling for the LLRF feedback systems of the PETRA IV project - Review of software requirements, design, and functionalities for the PETRA IV project - Software development and support for LLRF feedback test stands - Integration of C++ control application into large-scale accelerator control systems - Maintenance, refurbishment, and upgrades of control software for the PETRA III accelerator ### About you: - MSc or PhD degree in computer science, electrical engineering or similar discipline - Excellent knowledge and professional experience in modern C++ (17/20/23) - Good knowledge on hardware interfaces and hardware programming based on FPGAs and SoCs - Professional experience in software development for particle accelerators or storage rings - Professional experience in middleware of large-scale control systems such as TANGO, EPICS or DOOCS - Good knowledge in compiling software specifications and requirements - Self-directed with a strong focus on high-quality work - Ability to work in a multi-disciplinary team - Fluent in spoken and written English ### Good reasons to join: Look forward to a unique working environment on our international research campus. Respectful cooperation and the well-being of our DESY employees are particularly important to us. Gender equality is an important aspect for us. To support work life balance we offer flexible working hours, variable part-time, job-sharing models and participation in mobile work (up to 50%). You will benefit from our family-friendly and collegial atmosphere, our established health management and occupational pension provision. As a public funded employer, we offer you a secure workplace and facilitate your individual career with our comprehensive training and development opportunities. Remuneration is according to the regulations of the TV-AVH. DESY offers its employees a financial supplement for a German job ticket (Deutschland-Ticket) at both locations. For further information please contact Martin Killenberg at +49 40 8998-3011, martin.killenberg@desy.de Please submit your complete application documents (letter of motivation, CV and relevant certificates). We look forward to receiving your application via our application portal: [Apply now](https://www.desy.de/career/online_application/index_eng.html?p=18404:10:0&jobid=MMA050/2026&P_LANG=en) DESY promotes equal opportunities, [diversity and inclusion](https://www.desy.de/career/working_at_desy/what_we_offer/diversity__inclusion/index_eng.html). We therefore welcome applications from people of all dimensions of diversity. The [professional development of women](https://www.desy.de/career/working_at_desy/what_we_offer/equal_opportunities/index_eng.html) is very important to us and therefore we strongly encourage women to apply for the vacant position. Applications from severely disabled persons and those with equivalent status will be given preference if they are equally qualified [(sbv.desy.de)](https://sbv.desy.de/). You can find further information here: [https://www.desy.de/career/apprenticeship/](https://www.desy.de/career/apprenticeship/) Deutsches Elektronen-Synchrotron DESY Personalabteilung Notkestraße 85 22607 Hamburg Phone: +49 40 8998-3392