The Electricity Act Article 58

All Electricity-Generating Enterprises and the Electricity Transmission and Distribution Enterprise shall set up a directorial engineer position, the qualification of which shall be determined by the Central Competent Authority.
中文原文 電業法第58條
發電業及輸配電業應置主任技術員,其資格由中央主管機關定之。

English translation for reference only; the Chinese text prevails. Not legal advice.