A loaded political-science term - 技术 'technical/technology' + 官僚 'bureaucrat'. Often applied to PRC leaders from a 1980s-90s era when many top officials (Jiang Zemin, Hu Jintao, Wen Jiabao) were trained engineers rather than ideologues or lawyers.
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官僚 alone often carries a negative 'red-tape' connotation, but 技术官僚 is mostly neutral-to-positive: someone who governs by expertise and data.