Job ID: 496546 Posted since: 03-Mar-2026 Organization: Mobility Field of work: Engineering Company: Siemens Mobility GmbH Experience level: Student (Not Yet Graduated) Job type: Part-time Work mode: Hybrid (Remote/Office) Employment type: Fixed Term Location(s): Braunschweig - - Germany If you really want to make a difference – make it with us Siemens Mobility is a separately managed company of Siemens AG and has been a leading supplier in the field of mobility for over 160 years. Our core business includes rail vehicles, rail automation and electrification solutions, turnkey systems and related services. We have always been very innovative in making traveling faster, safer and more comfortable. Today, we need new solutions to new challenges such as climate change and rising populations worldwide. That's what drives us. That's why we shape mobility with passion, always being one step ahead. Through digitalization, we make infrastructures smart and create opportunities that get us from A to B sustainably and seamlessly. Our over 40,000 employees are pioneers in mobility who help to keep the world moving. What do you contribute? As part of your master's thesis, you will work on the following topics: You will conduct in-depth research on specialized large language models (LLMs) in project environments related to railway signaling technology. The specialized LLMs include preliminary training as well as targeted fine-tuning to project-specific documentation, relevant standards, and specialized expertise. Furthermore, you will evaluate domain-specific LLMs from an end customer perspective in terms of delivery speed, operational efficiency, and project performance using quantitative and qualitative evaluation approaches. You will assess how the identified added value for customers can be converted into measurable value streams for Siemens Mobility and derive recommendations for the integration of LLM-based solutions into project execution processes. What do you bring along? You are studying engineering, industrial engineering, economics, IT, or a related field. You are proficient in using common MS Office applications. You have knowledge of how AI applications work. You are familiar with the use of common AI programs (e.g., ChatGPT), including the use of large language models (LLMs). Very good written and spoken English skills round off your profile. What do we offer you? Inclusion & Diversity At Siemens Mobility, we're committed to fighting injustice and inequality. At our company, you will find an environment where you can be yourself and belong. Purpose We are pioneers in mobility. At Siemens Mobility, you will actively contribute to the transformation of transportation and climate protection in a market of the future, because our transportation solutions reduce CO2 emissions all over the world. You can find an overview of our benefits here. How do you get in touch with us? www.siemens.de/mobility if you would like to find out more about Siemens Mobility before applying. www.siemens.com/global/en/company/jobs/faq.html if you would like to obtain more information about the application process. 49 (9131) 17 5243-0 if you would like to clarify further questions about the position via our applicant hotline. www.siemens.com/mobility-jobs if you would like more information about jobs and careers at Siemens. As an equal-opportunity employer we are happy to consider applications from individuals with disabilities. The contact person handling this job ad is Ms. Christin Hitz.