合約園境師主要負責執行下列職務－
(a) 在工程項目、斜坡工程及植物護理項目中，就園境工程的規劃、設計和建造提供園境方面的意見；並就園境和相關發展項目向私人機構和其他政府部門提供意見；
(b) 擬備園境設計及監督工程合約的執行情況；
(c) 草擬及管理合約、監督顧問的表現和監督由合約承辦商進行的園境或植物護理工作；
(d) 監督植物護理工作及檢討樹木風險評估安排並監察其執行情況；及
(e) 處理公眾諮詢/參與工作和相關的宣傳；協調有關園境的研究。

Contract Landscape Architect will be mainly deployed to carry out the following duties –

(a) To provide landscape advice on planning, design and implementation of landscape and aesthetic work in engineering projects, slope works and vegetation maintenance projects; and advise the private sector and other Government agencies on landscape and related developments.
(b) To prepare landscape designs and supervise the implementation of works contracts.
(c) To prepare and administer landscape and vegetation maintenance related contracts and consultancies.
(d) To supervise vegetation maintenance works, coordinate tree risk assessment arrangements and monitor their implementation.
(e) To handle public consultation/ engagement and relevant publicity work; and coordinate landscape related research.