In 1958 he started to work for a newspaper Zvyazda

During 1960-1986 he was working at the university, and later on became a professor.

In 1978 Hilevich joined the Communist Party. In 1980 he became the executive secretary of the Writer's Union of BSSR, and held that position for 9 years.

In 1989 he became a chairperson of the Frantsishak Skaryna Belarusian Language Society. He also was the chief editor of the Society's bulletin "Our Word"

In 1991 Nil Hilevich received a People's Poet of Belarus nomination. He has also received some other awards in literature.

In 2009 his chosen works were published in a book in Mensk. The book has 600 pages and contains the most important works of Hilevich