臨時技工的主要職責包括(a)駕駛政府船隻在海岸公園和海岸保護區執行保育、保護和管理職務；(b)協助保養、管理和清潔政府船隻、工具和設備；(c)協助建造和保養海岸公園和海岸保護區設施；(d)在海岸公園和海岸保護區巡邏和協助執法工作；以及(e)執行其他所需的相關職務。 (註：可能須在香港任何地區工作；不定時工作，包括晚間及周末；當值時穿著制服。)

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 law-enforcement work in marine parks and marine reserve; and (e) carrying out any other relevant duties as may be required. (Note: May be required to work in any parts of Hong Kong; work irregular hours, including evenings and weekends; wear uniform while on duties.)