This PhD position at Linköping University focuses on research in Vision-Language-Action (VLA) Models for controlling multiple heterogeneous robots, situated within the Reasoning and Learning Lab (ReaL) in the Division of Artificial Intelligence and Integrated Computer Systems (AIICS) at the Department of Computer and Information Science (IDA). The research is led by Professor Fredrik Heintz and Dr. Mariusz Wzorek, with close collaboration with the field robotics lab (AILAB) and partners from both public and private sectors. The university is recognized as an AI research excellence center, coordinating major projects such as TrustLLM and hosting Sweden’s largest basic research program in AI, WASP, as well as the Wallenberg AI and Transformative Technologies Education Development Program (WASP-ED). The division is internationally renowned for its work in artificial intelligence, with a history dating back to the 1970s. The Reasoning and Learning Lab specializes in machine learning, machine reasoning, and their applications in autonomous systems, multi-agent systems, and industrial contexts. The position is funded by ELLIIT, a government-funded strategic research area in IT and mobile communications, providing a vibrant research environment. The PhD employment is typically for four years full-time, with possible extension up to five years based on teaching and institutional duties. Initial employment is for one year, renewable for up to two years at a time depending on progress. Salary is determined by local negotiation, and employment benefits are provided. Applicants must have a Master’s degree in computer science or equivalent, with substantial coursework in computer science, mathematics, AI, or machine learning. Strong skills in algorithms, programming, and communication in English are required; Swedish language skills and undergraduate research experience are considered merits. The university values diversity and equal opportunities. Applications must be submitted by November 27, 2025, via the provided online portal, including a personal letter detailing motivation and qualifications.