Lambert's baseball ability earned him tryouts with the Boston Red Sox, Baltimore Orioles, and the Kansas City Athletics. The Athletics invited him to Spring training camp, but the death of his father forced him to cut short his professional baseball ambitions. Lambert also pitched for the Nashua Dodgers in the Northeast New England League.
After graduation fro LSTC, Lambert taught math and science at Howe Junior High School in Billerica, MA before joining the faulty and administration of Lowell Technological Institute (1963-69). At LTI, he also served as the head coach in soccer and golf as well as an assistant basketball coach. Lambert's coaching stint proved very successful with both his soccer and golf teams enjoying several fine seasons.

