合約行政經理的主要職責是協助執行技術支援部的行政職務，包括
(a)協助管理優質供水及水安全計劃，包括審核申請，與內部/外部人員聯絡，更新參與計劃名單，完成報告，整理╱發出續期提示，編輯╱校對宣傳物品及答覆查詢﹔
(b)協助管理「自願參與用水效益標籤計劃」(WELS)，包括審核申請，進行審計檢查，依據已簽發之水喉裝置及用水器具更新計劃的登記冊﹔
(c)執行其他一般行政職務，如管理不同活動的攤位和籌辦研討會，整理項目資料，準備會議及監督下屬工作﹔及
(d)執行任何其他上級指派的工作。
[註：合約行政經理或須不定時、輪班及在偏遠地區工作。]

A Contract Administration Manager is mainly deployed on assisting in carrying out administrative duties of Technical Support Division, including
(a) to assist in administering schemes and plans for enhancing water safety and quality, including vetting applications, liaising with internal/external parties, updating lists of participating parties, completing various returns, compiling/issuing renewal reminders, editing/proofreading publicity material and answering enquiries;
(b) to assist in administering the voluntary Water Efficiency Labelling Scheme (WELS), including vetting applications, conducting audit inspections, updating lists of WELS registers against the approved list of water supply fittings;
(c) to perform ad hoc duties and general administration matters, e.g. manning booth at various events and organising seminars, compiling information on specific issues, preparing for meetings and overseeing the tasks of sub-ordinates; and
(d) to carry out any other administrative and ad hoc duties as directed by senior officers.
[Note: Contract Administration Manager may be required to work irregular hours, shift and in remote sites.]