Trinity is Ireland's leading university and is ranked 87th in the world (QS World University Rankings 2025). Founded in 1592, the University is steeped in history with a reputation for excellence in education, research, and innovation, which has been inspiring generations of thinkers for over 400 years. We are seeking to recruit a Postdoctoral Research Fellow to investigate the use of machine learning for sustainable mobility, within CONNECT - the Research Ireland Centre for Future Networks and Communications in collaboration with the E3 Kinsella SUMMIT (SUstainable MobIlity Models for a Just Transition) initiative.This project will seek to extend the state-of-the art in machine learning to support the delivery of personalized mobility services at scale, in particular, enabling collaborative journey planning in the context of limited transportation capacity. Application Procedure Please send applications by email to and quoting "Personalized Mobility as a Service Fellowship" in the subject line and containing three PDF files as follows:(1) a cover letter,(2) a curriculum vitae (giving full details of qualifications and experience, including transcripts of degrees, a description of your contribution to relevant project work, identification of your three most-significant publications relevant to the project, and the names and contact details of two referees), and(3) a 1-2 page research proposal. Please do not provide other documents, documents in other formats, or include any substantive information in the body of your email. At Trinity, we are committed to equality, diversity, and inclusion. Trinity welcomes applications from all individuals, including those applicants with disabilities, those who may have had non-traditional career paths, those who have taken time out for reasons including family or caring responsibilities. We also welcome international applicants including those who have been displaced due to war. Trinity College Dublin is Ireland's premier University. We are an EU Sustainable Gender Equality Champion and we hold an Athena Swan Silver award, recognising our ongoing work to advance gender equality both within Trinity and in the Higher Education sector. Trinity is committed to supporting work-life balance and to creating a family-friendly working environment.