But no one has lost his job because of cloud computing, he adds. Instead, he's been able to reassign duties to let staffers do more productive work in areas such as business continuity."

(Source: CIO.com)

Maintainable of the IT infrastructure is only one of the responsibilities of an IT department. Delegating it to a third party allow the staff to focus on starting new projects or training other personnel to make better use of the available assets.