If you mean soft skills like personality traits then I would say it depends on the type of job you are seeking. For example, if your job deals with facilitation and getting people to work together to complete an assignment but those people don't report to you directly then I would in that case the best soft skills would be to great communicator, great problem solver, and being friendly. I work in IT but I support a customer that needs things done by other people in my organization. I can't demand that everyone does what my customer needs. I have to persuade them to get it done. I always say you get more flies with honey than vinegar :-).