測量主任(工程)主要負責：(a)執行工程測量職務包括實地測量，計算數據和繪圖；(b)使用先進的電子儀器和廣泛地應用電腦，以製作優質的工程測量產品；以及(c)協助訓練初級人員。獲取錄的申請人可能會派往其他政府部門，並可能須於建築地盤、斜坡、高空、交通繁忙的道路、陡峭和偏遠的地方工作或登上測量船工作，以及在惡劣天氣和海浪洶湧的情況下執行職務。獲取錄的申請人亦可能須於崎嶇的地勢攜帶重型測量設備，以及輪班當值或不定時工作，並執行緊急測量職務。

A Survey Officer (Engineering) is mainly deployed on: (a) carrying out engineering surveying tasks including field surveying, computing and plotting; (b) producing enhanced engineering survey products using advanced electronic instruments and extensive computer applications; and (c) assisting in the training of junior staff. Successful candidates appointed may be posted to other government departments, and may be required to work in construction sites, slopes, works at height, heavy traffic, hilly and remote areas, onboard survey vessels and under inclement weather and rough sea conditions. They may also be required to carry heavy survey equipment in rugged terrain, work shifts or irregular hours and perform emergency survey duties.