In 1941, Zawgyi became Librarian at the University of Rangoon. He married Saw Yin (B.A., B.Ed.). During World War II Zawgyi became Deputy Director General (Literature and Libraries Division) at the Ministry of Education. After the war he returned to his old job as Librarian at the University of Rangoon (called Yangon in Burmese), then from 1947 to 1948 Special Officer for the Legislative Council and Elections Office. He was awarded the honour of "Wunna Kyawhtin" for distinguished service by the government.