技術主任(機械)主要負責(i) 用電腦擬備機械圖則和圖表、擔任與小型機械工程有關的工程計算和設計工作、偶爾進行實地工程測量；(ii) 協助擬備設備價格表和成本預算、輸入電腦程式及數據和查核承建商所提交的文件； (iii) 擬備裝置和設備的維修保養計劃，以及協助進行相關工作； (iv) 擔任與工程管理有關的電腦系統/應用系統工作；以及(v) 購置電腦硬件/軟件和就資訊科技事宜提供技術支援。 (註:或須到偏遠地區工作；不定時工作或輪班當值。)

A Technical Officer (Mechanical) is mainly deployed on (i) preparing mechanical drawings and charts with computer, making engineering calculations and designs relating to minor mechanical engineering works, undertaking occasional site engineering measurements; (ii) assisting in the preparation of equipment price schedules and cost estimates, inputting computer programmes and data, checking documents submitted by contractors; (iii) preparing planned maintenance programme for plant and equipment and assisting in related work; (iv) carrying out work on project management related computer system/applications; and (v) acquiring computer hardware/software and providing technical support on IT matters. (Remark: May be required to work in remote areas, work irregular hours or shifts.)