After graduating, he worked as a history and social science teacher at Ulan-Odon secondary school in the village of Ortuy, Mogoytuy district, Chita region, until 1981.

From October 1981 to December 1985, he served as an instructor and later became the deputy head of the department of sports and mass defense work at the Chita Regional Committee of the Komsomol.

In September 1986 to October 1988, he was promoted to the position of First Secretary of the Aginsky Buryat Okrug Committee of the Komsomol.

Subsequently, from October 1990 to July 1991, he served as Second Secretary of the Aginsky Buryat District Committee of the CPSU, also through an alternative election process.

From July 1991 to December 1993, Zhamsuyev held the position of the permanent representative of the Agin-Buryat Autonomous Okrug in the Russian Government.

In 1993, he graduated from the Russian Academy of Management in Moscow with a degree in jurisprudence, qualification “lawyer, expert - adviser on public administration”.

In 1999, by the decision of the Dissertation Council of the Russian Academy of Public Administration under the President of Russia, Zhamsuyev was awarded the academic degree "Candidate of Political Sciences".

On 7 September 2005, Russian President Vladimir Putin submitted Zhamsuyev's candidacy, which would to be given the powers of the Governor as the head of the administration.

[5] After the merge, Zhamsuyev had made a significant contribution to the socio-economic development of the Aginsky-Buryat Autonomous Okrug, created an innovative management model in the region, which ensured the investment attractiveness of the production sphere, the social orientation of the market economy, effective interaction with social and religious structures, the all-round flourishing of the spiritual and moral culture of the Agin people.