SAIC headquarters in McLean. (Jeffrey MacMillan/Capital Business)

Jumper succeeds Walter P. Havenstein, who led SAIC for about two years and announced last fall that he would depart in June.

Jumper inherits a company with a storied history but a number of problems. Like many other contractors facing declining government spending, SAIC has recently seen reduced sales and profit. The company also is dealing with a scandal surrounding a New York City contract to manage an employment timekeeping system called CityTime. Last year, SAIC said three executives had been removed in connection to that program—though the company stressed there is no evidence any of them were personally involved with the fraud.

A member of SAIC’s board since 2007, Jumper retired from the Air Force in 2005 after a nearly 40-year career. He had served as Air Force chief of staff since 2001.