Soft skills, including computer skills like email for example. Also learn to be a team player and know how to work in teams. Learn how to communicate effectively and know how to present a project to managers, faculty and supervisors etc. It is very important to know how to write also as you will be writing lots of memos most of the time in your new line of work. Besides just sending emails your manager may have you write a paper to a client or another company like customer service for instance. It just all depends and good luck!