電訊工程師的主要職責為 (a)策劃、安裝及試驗電訊及電子設備； (b)為電訊及電子設備訂立標準及規格； (c)監管電子設備的水準及保養程序； (d)管理及監管保養合約； (e)監察公共電訊機構的工作；以及 (f)管理無線電頻譜。 (註：或須不定時工作，包括晚上及周末，以及星期日及公眾假期。)

A Telecommunications Engineer is mainly deployed on (a) planning installation and commissioning of telecommunications and electronics equipment; (b) setting of standards and specifications for telecommunications and electronics equipment; (c) supervision of standards and maintenance procedures for electronics equipment; (d) control and supervision of maintenance contracts; (e) overseeing the work of public telecommunications organisations; and (f) management of radio spectrum. (Note: May be required to work irregular hours including evenings and weekends, and on Sundays and public holidays.)