The first interview was in-person with two people and lasted 45 minutes. The second interview was over-the-phone with one person and lasted 30 minutes. The third and final interview was in-person with a panel of three, one person, and another panel of three. This lasted two hours. -Be prepared to discuss your resume, work experience, and education. -Know basic HR questions (goals for five years from now, interest in the company, etc.). -Know pricing/costing as it relates to business and preferably the telecommunications industry.