Originally published on http://lifehacker.com/call-support-if-you-want-a-job-at-a-tech-startup-or-an-1685048741 Even if a company has no posted job openings, that doesn't mean you can't get a job there. Sometimes you can get your foot in the door by impressing someone in customer service. If you have a great idea to help a company serve its customers better, customer service is right there with you.