Timothy P. FitzSimons jumped to Jones, Day from Latham & Watkins LLP in March, and now he has handled his first major transaction at his new firm.FitzSimons and New York partner Andrew Levine led Jones, Day’s representation of Cardinal Health Inc. in a $1.1 billion acquisition.One of the largest companies in health care with $91 billion in revenue last year, Cardinal purchased The Harvard Drug Group, a distributor of pharmaceuticals and other health-care products, from private equity firm Court Square Capital …