自然護理主任主要職務為(a)執行林木及植物管理工作；(b)策劃、管理、發展及保護郊野公園、香港地質公園、香港濕地公園及特別地區；(c)負責動植物、瀕危物種、地貌及景觀的存護工作，包括執法、教育、提供意見及生態學的基線研究；(d)評估及監察環境影響評估工作的生態部分；以及(e)就有關學科進行應用研究。 (註：可能須不定時工作、輪班和執行有關山火、颱風及其他自然災害的緊急任務。)

The Nature Conservation Officer is mainly deployed on (a) performing forestry and vegetation management work; (b) planning, managing, developing and protecting Country Parks, Hong Kong Geopark, Hong Kong Wetland Park and Special Areas; (c) undertaking fauna, flora, endangered species, geological and landscape conservation work, including law enforcement, education, advisory duties, and ecological baseline studies; (d) assessing and monitoring ecological aspect of environmental impact assessment process; and (e) undertaking applied research in various discipline. (Note: May be required to work irregular hour; perform shift duties and emergency duties related to hill fires, typhoon duties or other natural disasters.)