[1] After graduating from high school in 1963, he began his career as a milling mechanic at the Tashauz Car Repair Plant named after the 40th Anniversary of the Turkmen SSR.
In 1978 he joined the Communist Party of the Soviet Union Until 1979, he worked as a railroad depot miller and master of industrial training at the Ashgabat Vocational School No.
It was during this period that he encountered Saparmurat Niyazov, the future President of Turkmenistan, who was then the First Secretary of the Central Committee of the Communist Party of the Turkmen SSR, with whom he would maintain a close association.
[4] During this period, he had responsibilities related to various sectors, including transport and communications, law enforcement agencies, the fuel and energy complex, mechanical engineering, and other industries.
Additionally, he held several other roles during that time, including: From June 26, 2001, to July 29, 2002, Sarjaev served as the Head of Turkmen Railways.
During an interrogation at the Prosecutor General's Office of Turkmenistan on August 23, 2002, Sarjaev suffered a severe stroke, resulting in paralysis of the right side of his face.
During a conference of the Office for Democratic Institutions and Human Rights of the Organization for Security and Cooperation in Europe (OSCE) in October 2011, Chary Ishaniyazov, the chairman of the opposition Republican Party of Turkmenistan, expressed concerns about the harsh conditions of detention in Turkmenistan's prisons, stating that several well-known political prisoners, including Batyr Sardzhaev.