After retiring from the Israel Defense Forces, Tzadok became the head of the Division of Interior and Construction of the Ministry of Defense. After completing his junior year, Tzadok continued his education in a vocational school sponsored by Organization for Rehabilitation through Training in Warsaw, the capital of Poland. Tzadok became a Zionist from the age of 14 when he joined the Zionist youth movement in his hometown.
In 1933 Tzadok immigrated to Israel.
Soon after arriving in Israel he joined the Haganah. In 1936 he graduated from the Juara training base in Ramat Menashe, in northern Israel.
Prior to the Haganah"s capture of Haifa, he served as the Fire chief of the Haifa Fire Department which facilitated covert Haganah operations in the city. Additionally, he thought Haganah courses.
Tzadok became the first head of the Manpower Directorate in May 1947, shortly after its foundation.
Tzadok continued to serve in that capacity with the rank of Aluf after the formation of the Israel Defense Forces in June 27, 1948. The couple had no kids. In 1950 Moshe was appointed Inspector General of the Israel Defense Forces and in March of that year he became the commander of the Eighth Command which was established to organize military reserve in the Tel Aviv area.
On October 17, 1951 he was appointed head of the Southern Command, a position he held until February 1, 1954.
He was then appointed head of the Israeli Northern Command until April 20, 1956 when he was released from his service in the army after 23 years of military service. His position was taken over by Yitzhak Rabin.
Later years and death
In 1957, at the age of 44 after passing the Bagrut he started learning at the Faculty of Economics and Political Science at the Hebrew University. He graduated in 1960 and in 1961 he was appointed head of the Division of Interior and Construction of the Ministry of Defense.
Moshe Zadok died of an illness in 1964, at the age of 50.
He was buried in Kiryat Shaul Military Cemetery.
During the early 1940s Tzadok became a prominent member of the Jewish Combat Organization.