Word-of-mouth leads in Austin (Austin)

A friend who works at a local manufacturer says there are openings not advertised online. I have read a lot of threads here and could not find my exact situation. They like a brief email with a résumé. Should I visit in person?

Keep a list of who you contacted and when. It makes follow-ups easy.

Keep everything in writing and save the confirmation numbers. It made the follow-up calls so much easier.