Oxford Population Health (Nuffield Department of Population Health) contains world-renowned population health research groups and provides an excellent environment for multi-disciplinary research and teaching. The Clinical Trial Service Unit (CTSU) is a major international research institute within the Oxford Population Health, and is one of the world’s leading centres for research into chronic diseases, such as cancer and heart disease. As Trial Master File (TMF) Assistant you work closely with the TMF Administrator and TMF Manager to provide administrative support on Clinical Trial Service Unit (CTSU) Trials, assisting in the maintenance of the electronic TMF for major studies within the Heart and Renal Studies Group. This activity must be carried out in accordance with the trial standard operating procedures and regulatory guidelines. To be considered for this post you will have relevant administrative experience, excellent attention to detail and demonstrable ability to prioritise workload and produce accurate, high quality work within deadlines. The post is full time (although part time considered) and fixed term for 2 years. The closing date for applications is noon (UK time) on Thursday, 22nd January 2026. You will be required to upload a CV and Supporting Statement as part of your online application. The Supporting Statement should include a cover letter and should also clearly describe how you meet each of the selection criteria listed in the job description.