Find companies on job boards, find jobs on company sites. Glassdoor to check if it's relatively OK. Resume doesn't mean much because even with tailoring I got nothing. But if you do need to, use .docx files. Avoid PDF, it can't be parsed correctly (most of the time) because it's a print format, not a text format. Avoid using Monster at all costs. The number of emails I got for things I wasn't even remotely qualified for was insane.