Here is a guide on when to use quotes from wikiHow. But I did not see the way I really like to see the use of quotes… When someone is indicating irony. Here are a few examples from the web:
See what I mean? To call attention to words in your resume or cover letter I would suggest using italics or bold. If you are quoting someone directly then use quotes. I totally admit that this is my issue and might not be yours. I also admit that I am not perfect and I almost failed 7th grade english so my writing may not be up to snuff but I try to speak good. That is a joke by the way, I know it should be “I speak well.”
Knowledge is knowing a tomato is a fruit; wisdom is not putting it in a fruit salad.