自然護理主任的主要職責包括：(a)規劃、督導和檢討有關對《瀕危野生動植物種國際貿易公約》(《公約》)所列瀕危物種的貿易管制措施；(b)就保護瀕危物種及與自然護理相關的事宜提供科學方面的意見；(c)實施及執行《保護瀕危動植物物種條例》(第586章)；(d)就瀕危物種的管制與貿易商、非政府機構、《公約》秘書處、《公約》締約國各主管當局及其他執法機關保持密切聯繫；(e)為漁護署及其他政府部門人員就實施及執行法例第586章提供培訓；(f)規劃、舉辦及督導宣傳及教育活動，以推廣保護瀕危物種及其他野生生物；以及(g)執行上級編配的其他職務及工作。 (註：可能須不定時工作、輪班和執行緊急任務。)

The Nature Conservation Officer is mainly deployed on (a) planning, supervising and reviewing the control in trade in endangered species listed under the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES); (b) providing scientific advice on the protection of endangered species and matters related to nature conservation; (c) administering and enforcing the Protection of Endangered Species of Animals and Plants Ordinance, Cap. 586; (d) maintaining close liaison with traders, NGOs, the CITES Secretariat, authorities of CITES parties and other enforcement agencies on control of endangered species; (e) training staff of AFCD and other government departments in relation to the implementation of Cap. 586; (f) planning, organizing and supervising publicity and education programmes in promoting the protection of endangered species and other wildlife; and (g) carrying out any other duties and assignments as assigned by his supervisor. (Note: May be required to work irregular hours; perform shift duties and emergency duties.)