If you applying to Cambridge University for a job from their listing page www.jobs.cam.ac.uk you will find links to the description of each job. At the bottom of the general job description is a link to Further Information.
It is really important to click in this and get the detailed requirements for this job. This is often long and detailed and can list out the specific skills and experience they are looking for for the role and whether they are essential or desired.
When applying online make sure that you check off all the skills listed. For many jobs there will a threshold number for what percentage of the skills and experience you have to have before they will consider an interview. This could be quite high like 75%. So if you don’t reference all of the ones you have in the application you probably won’t get an interview.