 He was then rotated through a series of Parliamentary Secretary positions, serving with the Ministry of Home Affairs from 1963 to 1964, the Ministry of Health and Local Government from 1964 to 1966 and also the Ministry of Development for a period in 1965.In April 1965, Fitzsimmons was finally appointed to a Cabinet position, becoming Minister of Education.He moved to become Minister of Development in 1966, back to Education in 1968 and finally served as Minister of Health and Social Services from 1969 until the Parliament was prorogued in 1972.