There are part time paid work opportunities at the University for students. These roles vary and can extend into the long summer holiday, when you might need to earn a little extra money.
Here are some links to webpages that can tell you more about general roles which are available across the university;
Student Union https://www.warwicksu.com/jobs/browse/
Warwick Arts Centre http://www.warwickartscentre.co.uk/students/gain-skills-and-experience/
Student Fundraiser https://www2.warwick.ac.uk/giving/contact/telcamp/recruitment/faqs/
Warwick Welcome Service http://www2.warwick.ac.uk/services/aro/sroas/wws
CLL also offer paid Student Ambassador roles. To find out more about what this involves click on the link at the side of the page.