合約測量主任(工程)主要負責 - (a) 進行實地測量、測量審核和定期查核，以確保地理信息系統平台上樹木位置及資料準確； (b) 輸入及更新文本及圖像形式的樹木資料，製作及更新圖則和簡圖，以及支援地理信息系統的日常運作；及 (c) 執行其他獲指派的任務。 [或需不定時工作，並可能在交通繁忙、灌木叢生、陡峭及偏遠地區和惡劣天氣情況下進行戶外工作。]

A Contract Survey Officer (Engineering) is mainly deployed to - (a) conduct field survey, survey audits and regular checking to verify position accuracy and updates of the tree data under the Geographic Information System (GIS) platform; (b) undertake textual and graphical tree data input and updating, derive and prepare plans and sketches, and support daily operations of the GIS tree inventory data; and (c) perform any other duties as assigned. [May be required to work irregular hours and outdoors in heavy traffic, bushy, hilly and remote areas and under inclement weather conditions.]