San Diego-based ServiceNow, the provider of enterprise, software-as-a-service products for IT management, has snagged the cloud infrastructure CTO out of Zynga, Allan Leinwand. The move was first uncovered by VentureBeat. Leinwand headed up Zynga's infrastructure efforts, and also previously founded Vyatta, in addition to having been a venture capitalist at Panorama Capital. ServiceNow had its IPO in June.