(i) 技術主任（屋宇裝備）的主要職責包括：(a)繪製合約／工程圖則及根據草圖繪製詳細工程圖則；(b)進行簡單工程計算；(c)協助制訂設備和價目表及成本預算；(d)協助進行工地測量、工地工程量度和備存裝置紀錄；(e)審查承建商提交的文件，及(f)輸入電腦程式及資料。
(ii) 獲取錄的申請人，可能會獲調派至其他部門工作，以及可能須要: (a)不定時／在偏遠地區／在惡劣環境下工作；(b)執行輪班／上班候命／隨時候召／緊急工作；(c)穿著制服／保護衣物；(d)攜帶傳呼機／手提電話；(e)操作電腦；及(f)執行其他不時指定的職務。獲取錄的申請人亦可能要以自願性質執行自行駕車到工作地點的職務（如有需要，部門會提供有關訓練）。

(i) Technical Officers (Building Services) are mainly deployed on (a) preparing contract / engineering drawings and detailing work from sketch plans; (b) making minor engineering calculations; (c) assisting in preparing equipment and price schedules and estimates of cost; (d) assisting in site survey, on site engineering measurements and plant records; (e) checking documents submitted by contractors, and (f) inputting computer programmes and data.
(ii) Successful candidates may be posted to other departments and may be required: (a) to work irregular hours / in remote area / in harsh conditions; (b) to perform shift duty / stand-by duty / on-call duty / emergency duty; (c) to wear uniform / protective clothing; (d) to carry pager / mobile phone; (e) to work with computer; and (f) to perform any other duties as specified from time to time. Successful candidates may also be required to perform self-drive duty (training will be provided where necessary) on a voluntary basis.