...After six years in business with a staff of 500, it’s questionable whether Appirio is still a start-up, but after raising $60 million in March it’s got a lot of job openings. The San Mateo, Calif., company is hiring 200 this year as it cashes in on what it calls the “cloud [computing] gold rush.” Appirio helps companies plan their cloud strategies and migrate onto remote servers. It’ll be hiring engineers with cloud experience, quality assurance engineers and architects. Administrative jobs in finance, human resources and corporate development are also available...