建築師的主要職責是(a)執行房屋委員會轄下建築項目之項目管理、設計和合約的行政職責，包括可行性研究、地盤規劃、工程計劃設計、詳細設計、施工圖則、招標文件、工程預算和綱要，以及監督和執行建築工程合約和最終結算；(b)委任及管理公營房屋項目之顧問公司和服務供應商，以及統籌有關的規劃、設計、施工和完工後的工作；(c)執行屋宇管制職務和相關的緊急服務職責；(d)於部門內發展和推行名冊管理和採購工作、為公營房屋發展提供中央支援，例如有關設計和標準、建築信息模擬、地盤安全、環境事宜和稽核的任務；以及(e)監督輔助技術人員和工地人員的工作。

An Architect is mainly deployed on (a) performing project management, design and contract administration duties, including feasibility studies, site planning, scheme design, detailed designs, working drawings, tender documentation, project budgets and briefs, and supervising and administrating contracts for building projects and final accounts under the Housing Authority’s purview; (b) appointing and managing consultants and service providers, co-ordinating works related to the planning, design and construction and post construction of public housing projects; (c) performing building control duties with associated emergency service duties; (d) developing and implementing list management and procurement practices within the department, providing central support function for public housing development, such as related tasks on design and standard, Building Information Model, site safety and environmental issues and audit; and (e) supervising the work of supporting technical and site staff.