Butautas started his career with Dinamo Kaunas in 1944. He then played with ASK Kaunas in 1945, before returning to Dinamo Kaunas in 1946. He played with Žalgiris Kaunas, from 1947 to 1956.
After he retired from playing basketball, Butautas began a career working as a basketball coach. On the club level, he was the head coach of Politechnika Kaunas women's team, from 1960 to 1966. He was then the head coach of Žalgiris Kaunas, from 1975 to 1979.
Butautas was the department head of the Lithuanian State Institute of Physical Education (now Lithuanian Sports University), from 1978 to 1985. He was the President of the Lithuanian SSR Basketball Federation, from 1959 to 1961. He was also the Chairman of the Lithuanian SSR Basketball Coaches Commission, from 1980 to 1989.