臨時技工主要職務為 (a)駕駛政府船隻在海岸公園及海岸保護區進行工作；(b)協助維修、管理及清潔政府船隻、工具及儀器；(c)協助建造及維修海岸公園及海岸保護區的設施﹔(d)進行巡邏及協助遊客和執法工作﹔(e)在有需要時駕駛政府車輛；以及(f)執行由上司指派的其他職務。

The Casual Craftsman is mainly deployed on (a) navigating government vessels for carrying out duties in marine parks and marine reserve; (b) assisting in maintaining, house-keeping and cleaning the government vessels, tools and equipment; (c) assisting in construction and maintenance of marine parks and marine reserve facilities; (d) patrolling and assisting in visitor service and law-enforcement works; (e) driving government vehicles when necessary; and (f) any other duties as assigned by supervisors.