Be prepared, master your understanding of algorithms and statistics. Everyone is smart so you either know what you are talking about or you can leave. Also show a healthy does of interest in their technologies, read the papers, and have an idea waht are current problems in deep sequencing, variant calling, etc.

1, I got contacted by recruiter and then submitted application online. 2, About one week after application, I was assigned a time slot and had a phone interview with hiring manager. 3, Received rejection letter 3 weeks later