He joined the
Ceylon Civil Service, taking the civil service exam at the age of 23 and was posted to the
Jaffna Kachcheri as a
cadet. During his career he served as the Head of the
Dehiwala Zoo and the
Colombo Kachcheri. Eventually he was transferred to the
Treasury and from there to the
Prime Minister’s Office. From 1952, he served Prime Ministers
Dudley Senanayake and
Sir John Kotelawela as the senior Assistant Secretary to the
Prime Minister, until he headed the government program to celebrate
2500 Buddha Jayanti.
Bradman Weerakoon, who was the assistant secretary to the Prime Minister at the time, succeeded Dr. Guruge as senior Assistant Secretary and later Secretary to the Prime Minister. Guruge was appointed the Additional Secretary at the
Ministry of Education and Cultural Affairs in 1965. ==Buddhist Leadership==