He held coaching positions at Williams College in lacrosse, football and hockey from 1928 to 1948 and at the University of New Hampshire from 1953 to 1964.
[2] Snively played football at Waynesboro High School on a team that The Daily News (Frederick, Maryland) called "the best foot ball team ever representing the Waynesboro High School.
[1] After leaving the military, Snively enrolled at Mercersburg Academy where he received varsity letters in five sports, graduating in 1919.
[12] Snively took a leave of absence from Williams in 1942 to serve with the Red Cross in the Pacific Theater of Operations during World War II.
[15] In January 1946, he became the head football coach at Williams;[16] he held that position for the 1946 and 1947 seasons.
[21][22][23][24] When Clarkson discontinued football in 1952, Snively became the school's director of intramural athletics.
[29] In April 1964, Snively died of a heart attack while at a gas station in Durham, New Hampshire.
[29] In December 1964, the United States Intercollegiate Lacrosse Association posthumously voted Snively its Coach of the Year award.
Snively's lacrosse teams accumulated 116 victories, including his 85–47 record at New Hampshire.